# Erbium\(III\) oxide \(99\.995%\-Er\) \(REO\) PURATREM SDS – Strem Chemicals, Inc\.

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- **Document title:** Erbium\(III\) oxide \(99\.995%\-Er\) \(REO\) PURATREM SDS – Strem Chemicals, Inc\.
- **Publisher:** Strem Chemicals, Inc\.
- **Material:** Erbium\(III\) oxide \(99\.995%\-Er\) \(REO\) PURATREM
- **CAS number:** 12061\-16\-4
- **Product code / grade:** 93\-6820
- **Document type:** SDS
- **Original language:** English
- **Region:** United Kingdom
- **Revision date:** 21\.07\.2021
- **Page count:** 6
- **Original filename:** sd93\-6820\_GB\.pdf
- **RESDS page:** https://resds\.com/document/erbium\-iii\-oxide\-99\-995\-er\-reo\-puratrem\-sds\-strem\-chemicals\-en\-31ceb1dd1b
- **Original PDF:** https://resds\.com/pdf/erbium\-iii\-oxide\-99\-995\-er\-reo\-puratrem\-sds\-strem\-chemicals\-en\-31ceb1dd1b\.pdf
- **Source URL:** https://sds\.strem\.com/sd93\-6820\_GB\.pdf
- **Description:** Collected by RESDS\. Original publisher PDF retained\. Original manufacturer safety data sheet for Erbium\(III\) oxide \(99\.995%\-Er\) \(REO\) PURATREM\. Product number: 93\-6820\. Original revision: 21\.07\.2021\. Published under the file\-level authorization confirmed by the user for the frozen 1,125\-file manifest\.

## Page 1

```text
                                                                                                  Page 1/6
                                           Safety data sheet
                                            according to 1907/2006/EC, Article 31

                Printing date 21.07.2021                                                                     Revision: 21.07.2021

           SECTION 1: Identification of the substance/mixture and of the company/undertaking

                                · 1.1 Product identifier

                                · Trade name: Erbium(III) oxide (99.995%-Er) (REO) PURATREM

                                · Item number: 93-6820
                                · CAS Number:
                  12061-16-4
                                · EC number:
                  235-045-7
                                · 1.2 Relevant identified uses of the substance or mixture and uses advised against
               No further relevant information available.

                                · 1.3 Details of the supplier of the safety data sheet
                                · Manufacturer/Supplier:
                  Strem Chemicals, Inc.
                 7 Mulliken Way
              NEWBURYPORT, MA 01950
              USA
                  info@strem.com

                                · Further information obtainable from: Technical Department
                                · 1.4 Emergency telephone number:
              EMERGENCY: CHEMTREC: + 1 (800) 424-9300
                  During normal opening times: +1 (978) 499-1600


           SECTION 2: Hazards identification

                                · 2.1 Classification of the substance or mixture
                                · Classification according to Regulation (EC) No 1272/2008

                     GHS07  d~
                    Skin Irrit. 2 H315 Causes skin irritation.
                 Eye Irrit. 2 H319 Causes serious eye irritation.
              STOT SE 3 H335 May cause respiratory irritation.

                                · 2.2 Label elements
                                · Labelling according to Regulation (EC) No 1272/2008
                 The substance is classified and labelled according to the CLP regulation.
                                · Hazard pictograms
  d~
               GHS07

                                · Signal word Warning

                                · Hazard-determining components of labelling:
                    Erbium(III) oxide (99.9%-Er) (REO)
                                · Hazard statements
               H315 Causes skin irritation.
               H319 Causes serious eye irritation.
               H335 May cause respiratory irritation.
                                · Precautionary statements
                P101                   If medical advice is needed, have product container or label at hand.
                                                                                                                                            (Contd. on page 2)
                                                                                                                                  GB





44.1.1
```

## Page 2

```text
                                                                                                  Page 2/6
                                           Safety data sheet
                                            according to 1907/2006/EC, Article 31

                Printing date 21.07.2021                                                                     Revision: 21.07.2021

              Trade name: Erbium(III) oxide (99.995%-Er) (REO) PURATREM


                                                                                                                                            (Contd. of page 1)
                P102           Keep out of reach of children.
                P103           Read label before use.
                P262          Do not get in eyes, on skin, or on clothing.
                P280           Wear protective gloves/protective clothing/eye protection/face protection.
               P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if
                                       present and easy to do. Continue rinsing.
                P304+P340      IF INHALED: Remove person to fresh air and keep comfortable for breathing.
                P403+P233       Store in a well-ventilated place. Keep container tightly closed.
                P501            Dispose of contents/container in accordance with local/regional/national/international
                                         regulations.
                                · 2.3 Other hazards
                                · Results of PBT and vPvB assessment
                                · PBT: Not applicable.
                                · vPvB: Not applicable.


           SECTION 3: Composition/information on ingredients

                                · 3.1 Chemical characterisation: Substances
                                · CAS No. Description
                  12061-16-4 Erbium(III) oxide (99.9%-Er) (REO)
                                · Identification number(s)
                                · EC number: 235-045-7


           SECTION 4: First aid measures

                                · 4.1 Description of first aid measures
                                · After inhalation: In case of unconsciousness place patient stably in side position for transportation.
                                · After skin contact: Immediately wash with water and soap and rinse thoroughly.
                                · After eye contact:
                   Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.
                                · After swallowing: If symptoms persist consult doctor.
                                · 4.2 Most important symptoms and effects, both acute and delayed No further relevant information available.
                                · 4.3 Indication of any immediate medical attention and special treatment needed
               No further relevant information available.


           SECTION 5: Firefighting measures

                                · 5.1 Extinguishing media
                                · Suitable extinguishing agents: Use fire extinguishing methods suitable to surrounding conditions.
                                · 5.2 Special hazards arising from the substance or mixture No further relevant information available.
                                · 5.3 Advice for firefighters
                                · Protective equipment: No special measures required.


           SECTION 6: Accidental release measures

                                · 6.1 Personal precautions, protective equipment and emergency procedures Not required.
                                · 6.2 Environmental precautions: No special measures required.
                                · 6.3 Methods and material for containment and cleaning up:
                  Dispose contaminated material as waste according to item 13.
                  Ensure adequate ventilation.
                                                                                                                                            (Contd. on page 3)
                                                                                                                                  GB





44.1.1
```

## Page 3

```text
                                                                                                  Page 3/6
                                           Safety data sheet
                                            according to 1907/2006/EC, Article 31

                Printing date 21.07.2021                                                                     Revision: 21.07.2021

              Trade name: Erbium(III) oxide (99.995%-Er) (REO) PURATREM


                                                                                                                                            (Contd. of page 2)
                                · 6.4 Reference to other sections
                  See Section 7 for information on safe handling.
                  See Section 8 for information on personal protection equipment.
                  See Section 13 for disposal information.


           SECTION 7: Handling and storage

                                · 7.1 Precautions for safe handling No special precautions are necessary if used correctly.
                                · Information about fire - and explosion protection: No special measures required.

                                · 7.2 Conditions for safe storage, including any incompatibilities
                                · Storage:
                                · Requirements to be met by storerooms and receptacles: No special requirements.
                                · Information about storage in one common storage facility: Not required.
                                · Further information about storage conditions: Keep container tightly sealed.
                                · 7.3 Specific end use(s) No further relevant information available.


           SECTION 8: Exposure controls/personal protection

                                · Additional information about design of technical facilities: No further data; see item 7.

                                · 8.1 Control parameters
                                · Ingredients with limit values that require monitoring at the workplace: Not required.
                                · Additional information: The lists valid during the making were used as basis.

                                · 8.2 Exposure controls
                                · Personal protective equipment:
                                · General protective and hygienic measures:
                Keep away from foodstuffs, beverages and feed.
                   Immediately remove all soiled and contaminated clothing
               Wash hands before breaks and at the end of work.
                  Avoid contact with the eyes and skin.
                                · Respiratory protection:
                    In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use
                     self-contained respiratory protective device.
                                · Protection of hands:


                               Protective gloves  _S

                 The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
               Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the
                   chemical mixture.
                     Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
                                · Material of gloves
                 The selection of the suitable gloves does not only depend on the material, but also on further marks of quality and
                     varies from manufacturer to manufacturer.
                                · Penetration time of glove material
                The exact break through time has to be found out by the manufacturer of the protective gloves and has to be
                    observed.
                                                                                                                                            (Contd. on page 4)
                                                                                                                                  GB





44.1.1
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## Page 4

```text
                                                                                                  Page 4/6
                                           Safety data sheet
                                            according to 1907/2006/EC, Article 31

                Printing date 21.07.2021                                                                     Revision: 21.07.2021

              Trade name: Erbium(III) oxide (99.995%-Er) (REO) PURATREM


                                                                                                                                            (Contd. of page 3)
                                · Eye protection:


                                Tightly sealed goggles  _R

                                · 9.1 Information on basic physical and chemical properties
                                · General Information
                                · Appearance:
                 Form:                          Powder
                    Colour:                         Red
                                · Odour:                               Odourless
                                · Odour threshold:                    Not determined.

                                · pH-value:                           Not applicable.

                                · Change in condition
                    Melting point/freezing point:          2.400 °C
                         Initial boiling point and boiling range: Undetermined.

                                · Flash point:                         Not applicable.

                                · Flammability (solid, gas):             Not determined.

                                · Ignition temperature:

                   Decomposition temperature:         Not determined.

                                · Auto-ignition temperature:            Not determined.

                                · Explosive properties:                  Product does not present an explosion hazard.

                                · Explosion limits:
                   Lower:                            Not determined.
                   Upper:                            Not determined.

                                · Vapour pressure:                    Not applicable.

                                · Density at 20 °C:                       8.64 g/cm³
                                · Relative density                      Not determined.
                                · Vapour density                      Not applicable.
                                · Evaporation rate                     Not applicable.

                                · Solubility in / Miscibility with
                     water:                                  Insoluble.

                                · Partition coefficient: n-octanol/water:   Not determined.

                                · Viscosity:
                  Dynamic:                         Not applicable.
                    Kinematic:                        Not applicable.

                                · Solvent content:
                   Organic solvents:                     0.0 %
             VOC (EC)                            0.00 %

                      Solids content:                      100.0 %
                                · 9.2 Other information              No further relevant information available.


           SECTION 10: Stability and reactivity

                                · 10.1 Reactivity No further relevant information available.
                                                                                                                                            (Contd. on page 5)
                                                                                                                                  GB





44.1.1
```

## Page 5

```text
                                                                                                  Page 5/6
                                           Safety data sheet
                                            according to 1907/2006/EC, Article 31

                Printing date 21.07.2021                                                                     Revision: 21.07.2021

              Trade name: Erbium(III) oxide (99.995%-Er) (REO) PURATREM


                                                                                                                                            (Contd. of page 4)
                                · 10.2 Chemical stability
                                · Thermal decomposition / conditions to be avoided: No decomposition if used according to specifications.
                                · 10.3 Possibility of hazardous reactions No dangerous reactions known.
                                · 10.4 Conditions to avoid No further relevant information available.
                                · 10.5 Incompatible materials: No further relevant information available.
                                · 10.6 Hazardous decomposition products: No dangerous decomposition products known.


           SECTION 11: Toxicological information

                                · 11.1 Information on toxicological effects
                                · Acute toxicity Based on available data, the classification criteria are not met.
                                · Primary irritant effect:
                                · Skin corrosion/irritation
                  Causes skin irritation.
                                · Serious eye damage/irritation
                  Causes serious eye irritation.
                                · Respiratory or skin sensitisation Based on available data, the classification criteria are not met.
                                · CMR effects (carcinogenity, mutagenicity and toxicity for reproduction)
                                · Germ cell mutagenicity Based on available data, the classification criteria are not met.
                                · Carcinogenicity Based on available data, the classification criteria are not met.
                                · Reproductive toxicity Based on available data, the classification criteria are not met.
                                · STOT-single exposure
              May cause respiratory irritation.
                                · STOT-repeated exposure Based on available data, the classification criteria are not met.
                                · Aspiration hazard Based on available data, the classification criteria are not met.


           SECTION 12: Ecological information

                                · 12.1 Toxicity
                                · Aquatic toxicity: No further relevant information available.
                                · 12.2 Persistence and degradability No further relevant information available.
                                · 12.3 Bioaccumulative potential No further relevant information available.
                                · 12.4 Mobility in soil No further relevant information available.
                                · Additional ecological information:
                                · General notes: Not known to be hazardous to water.
                                · 12.5 Results of PBT and vPvB assessment
                                · PBT: Not applicable.
                                · vPvB: Not applicable.
                                · 12.6 Other adverse effects No further relevant information available.


           SECTION 13: Disposal considerations

                                · 13.1 Waste treatment methods
                                · Recommendation
                 Must not be disposed together with household garbage. Do not allow product to reach sewage system.

                                · Uncleaned packaging:
                                · Recommendation: Disposal must be made according to official regulations.
                                                                                                                                  GB
                                                                                                                                            (Contd. on page 6)





44.1.1
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## Page 6

```text
                                                                                                  Page 6/6
                                           Safety data sheet
                                            according to 1907/2006/EC, Article 31

                Printing date 21.07.2021                                                                     Revision: 21.07.2021

              Trade name: Erbium(III) oxide (99.995%-Er) (REO) PURATREM

                                                                                                                                            (Contd. of page 5)

           SECTION 14: Transport information

                                · 14.1 UN-Number
                                · ADR, ADN, IMDG, IATA                      not regulated

                                · 14.2 UN proper shipping name
                                · ADR, ADN, IMDG, IATA                      not regulated

                                · 14.3 Transport hazard class(es)

                                · ADR, ADN, IMDG, IATA
                                · Class                                          not regulated

                                · 14.4 Packing group
                                · ADR, IMDG, IATA                            not regulated

                                · 14.5 Environmental hazards:
                                · Marine pollutant:                      No

                                · 14.6 Special precautions for user             Not applicable.

                                · 14.7 Transport in bulk according to Annex II of
                 Marpol and the IBC Code                   Not applicable.

                                · UN "Model Regulation":                      not regulated


           SECTION 15: Regulatory information

                                · 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture

                                · Directive 2012/18/EU
                                · Named dangerous substances - ANNEX I Substance is not listed.
                                · 15.2 Chemical safety assessment: A Chemical Safety Assessment has not been carried out.


           SECTION 16: Other information
                   This information is based on our present knowledge. However, this shall not constitute a guarantee for any
                      specific product features and shall not establish a legally valid contractual relationship.

                                · Department issuing SDS: Technical Department.
                                · Contact: Technical Director
                                · Abbreviations and acronyms:
                  ADR: Accord européen sur le transport des marchandises dangereuses par Route (European Agreement concerning the International
                       Carriage of Dangerous Goods by Road)
                  IMDG: International Maritime Code for Dangerous Goods
                      IATA: International Air Transport Association
                   GHS: Globally Harmonised System of Classification and Labelling of Chemicals
                    EINECS: European Inventory of Existing Commercial Chemical Substances
                    CAS: Chemical Abstracts Service (division of the American Chemical Society)
                  VOC: Volatile Organic Compounds (USA, EU)
                    PBT: Persistent, Bioaccumulative and Toxic
                      vPvB: very Persistent and very Bioaccumulative
                         Skin Irrit. 2: Skin corrosion/irritation – Category 2
                     Eye Irrit. 2: Serious eye damage/eye irritation – Category 2
                  STOT SE 3: Specific target organ toxicity (single exposure) – Category 3
                                                                                                                                  GB





44.1.1
```
