Gadolinium powder (99.9% REO) 93-6430 SDS

Page 1/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

1 Identification

· Product name

· Trade name: Gadolinium powder (99.9% REO)

· Item number: 93-6430 · CAS Number: 7440-54-2 · EC number: 231-162-2

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

· Information department: Technical Department · Emergency telephone number: EMERGENCY: CHEMTREC: + 1 (800) 424-9300 During normal opening times: +1 (978) 499-1600

2 Hazard(s) identification

· Classification of the substance or mixture

GHS02 Flame d~ Flam. Sol. 1 H228 Flammable solid.

· Label elements · GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS). · Hazard pictograms d~ GHS02

· Signal word Danger · Hazard statements H228 Flammable solid. · Precautionary statements P231 Handle under inert gas. P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking. P280 Wear protective gloves / eye protection / face protection. P240 Ground/bond container and receiving equipment. 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. (Contd. on page 2) US

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Page 2/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 1) · Classification system: · NFPA ratings (scale 0 - 4)

Health = 0

0 Fire = 0

0 0 Reactivity = 0

· HMIS-ratings (scale 0 - 4)

HEALTH 0 Health = 0 FIRE 0 Fire = 0 REACTIVITY 0 Reactivity = 0

· Other hazards · Results of PBT and vPvB assessment · PBT: Not applicable. · vPvB: Not applicable.

3 Composition/information on ingredients

· Chemical characterization: Substances · CAS No. Description 7440-54-2 none · Identification number(s) · EC number: 231-162-2

4 First-aid measures

· Description of first aid measures · After inhalation: Supply fresh air; consult doctor in case of complaints. · After skin contact: Generally the product does not irritate the skin. · After eye contact: Rinse opened eye for several minutes under running water. · After swallowing: If symptoms persist consult doctor. · Information for doctor: · Most important symptoms and effects, both acute and delayed No further relevant information available. · Indication of any immediate medical attention and special treatment needed No further relevant information available.

5 Fire-fighting measures

· Extinguishing media · Suitable extinguishing agents: Use fire fighting measures that suit the environment. · Special hazards arising from the substance or mixture No further relevant information available. · Advice for firefighters · Protective equipment: No special measures required.

6 Accidental release measures

· Personal precautions, protective equipment and emergency procedures Wear protective equipment. Keep unprotected persons away. · Environmental precautions: No special measures required. (Contd. on page 3) US

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Page 3/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 2) · Methods and material for containment and cleaning up: Dispose contaminated material as waste according to item 13. Ensure adequate ventilation. · 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. · Protective Action Criteria for Chemicals · PAC-1: 30 mg/m3

· PAC-2: 330 mg/m3

· PAC-3: 2,000 mg/m3

7 Handling and storage

· Handling: Handle under inert gas. · Precautions for safe handling No special precautions are necessary if used correctly. · Information about protection against explosions and fires: Keep ignition sources away - Do not smoke. Protect against electrostatic charges.

· Conditions for safe storage, including any incompatibilities · Storage: Store contents under inert gas. · 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 receptacle tightly sealed. · Specific end use(s) No further relevant information available.

8 Exposure controls/personal protection

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

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

· Exposure controls · Personal protective equipment: · General protective and hygienic measures: Wash hands before breaks and at the end of work. · Breathing equipment: Not required. · 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 (Contd. on page 4) US

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Page 4/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 3) · 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. · Eye protection: Safety glasses

9 Physical and chemical properties

· Information on basic physical and chemical properties · General Information · Appearance: Form: Powder Color: Grey · Odor: Odorless · Odor threshold: Not determined.

· pH-value: Not applicable.

· Change in condition Melting point/Melting range: 1.311 °C (34 °F) Boiling point/Boiling range: 3.233 °C (38 °F)

· Flash point: Not applicable.

· Flammability (solid, gaseous): Flammable.

· Ignition temperature:

Decomposition temperature: Not determined.

· Auto igniting: Not determined.

· Danger of explosion: Not determined.

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

· Vapor pressure: Not applicable.

· Density at 20 °C (68 °F): 7.898 g/cm³ (65.90881 lbs/gal) · Relative density Not determined. · Vapor 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 content: 0.0 g/l / 0.00 lb/gl

(Contd. on page 5) US

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Page 5/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 4)

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

10 Stability and reactivity

· Reactivity No further relevant information available. · Chemical stability · Thermal decomposition / conditions to be avoided: No decomposition if used according to specifications. · Possibility of hazardous reactions No dangerous reactions known. · Conditions to avoid No further relevant information available. · Incompatible materials: No further relevant information available. · Hazardous decomposition products: No dangerous decomposition products known.

11 Toxicological information

· Information on toxicological effects · Acute toxicity: · Primary irritant effect: · on the skin: No irritant effect. · on the eye: No irritating effect. · Sensitization: No sensitizing effects known. · Additional toxicological information:

· Carcinogenic categories · IARC (International Agency for Research on Cancer) Substance is not listed.

· NTP (National Toxicology Program) Substance is not listed.

· OSHA-Ca (Occupational Safety & Health Administration) Substance is not listed.

12 Ecological information

· Toxicity · Aquatic toxicity: No further relevant information available. · Persistence and degradability No further relevant information available. · Behavior in environmental systems: · Bioaccumulative potential No further relevant information available. · Mobility in soil No further relevant information available. · Additional ecological information: · General notes: Not known to be hazardous to water. · Results of PBT and vPvB assessment · PBT: Not applicable. · vPvB: Not applicable. · Other adverse effects No further relevant information available. US (Contd. on page 6)

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Page 6/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 5)

13 Disposal considerations

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

· Uncleaned packagings: · Recommendation: Disposal must be made according to official regulations.

14 Transport information

· UN-Number · DOT, IMDG, IATA UN3089

· UN proper shipping name · DOT Metal powders, flammable, n.o.s. · IMDG, IATA METAL POWDER, FLAMMABLE, N.O.S.

· Transport hazard class(es)

· DOT dhc`gyq

· Class 4.1 Flammable solids, self-reactive substances and solid desensitised explosives · Label 4.1

· IMDG, IATA dhc`gy

· Class 4.1 Flammable solids, self-reactive substances and solid desensitised explosives · Label 4.1

· Packing group · DOT, IMDG, IATA II

· Environmental hazards: · Marine pollutant: No

· Special precautions for user Warning: Flammable solids, self-reactive substances and solid desensitised explosives · Segregation groups Heavy metals and their salts (including their organometallic compounds), powdered metals · Stowage Category B · Handling Code H1 Keep as dry as reasonably practicable

(Contd. on page 7) US

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Page 7/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 6)

· Segregation Code SG17 Stow "separated from" class 5.1 SG25 Stow "separated from" goods of classes 2.1 and 3. SG26 In addition: from goods of classes 2.1 and 3 when stowed on deck of a containership a minimum distance of two container spaces athwartship shall be maintained, when stowed on ro-ro ships a distance of 6 m athwartship shall be maintained.

· Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code Not applicable.

· Transport/Additional information:

· IMDG · Limited quantities (LQ) 1 kg · Excepted quantities (EQ) Code: E2 Maximum net quantity per inner packaging: 30 g Maximum net quantity per outer packaging: 500 g

· UN "Model Regulation": UN 3089 METAL POWDERS, FLAMMABLE, N.O.S., 4.1, II

15 Regulatory information

· Safety, health and environmental regulations/legislation specific for the substance or mixture · Sara · Section 355 (extremely hazardous substances): Substance is not listed.

· Section 313 (Specific toxic chemical listings): Substance is not listed.

· TSCA (Toxic Substances Control Act): Substance is listed. · Proposition 65 · Chemicals known to cause cancer: Substance is not listed.

· Chemicals known to cause reproductive toxicity for females: Substance is not listed.

· Chemicals known to cause reproductive toxicity for males: Substance is not listed.

· Chemicals known to cause developmental toxicity: Substance is not listed.

· Carcinogenic categories · EPA (Environmental Protection Agency) Substance is not listed.

· TLV (Threshold Limit Value established by ACGIH) Substance is not listed.

· NIOSH-Ca (National Institute for Occupational Safety and Health) Substance is not listed. · GHS label elements The substance is classified and labeled according to the Globally Harmonized System (GHS). (Contd. on page 8) US

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Page 8/8 Safety Data Sheet according to OSHA HCS

Printing date 07/21/2021 Reviewed on 07/21/2021

Trade name: Gadolinium powder (99.9% REO)

(Contd. of page 7) · Hazard pictograms d~ GHS02

· Signal word Danger · Hazard statements H228 Flammable solid. · Precautionary statements P231 Handle under inert gas. P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking. P280 Wear protective gloves / eye protection / face protection. P240 Ground/bond container and receiving equipment. 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. · Chemical safety assessment: A Chemical Safety Assessment has not been carried out.

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 · Date of preparation / last revision 07/21/2021 / - · 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 DOT: US Department of Transportation IATA: International Air Transport Association ACGIH: American Conference of Governmental Industrial Hygienists EINECS: European Inventory of Existing Commercial Chemical Substances CAS: Chemical Abstracts Service (division of the American Chemical Society) NFPA: National Fire Protection Association (USA) HMIS: Hazardous Materials Identification System (USA) VOC: Volatile Organic Compounds (USA, EU) PBT: Persistent, Bioaccumulative and Toxic vPvB: very Persistent and very Bioaccumulative NIOSH: National Institute for Occupational Safety OSHA: Occupational Safety & Health TLV: Threshold Limit Value PEL: Permissible Exposure Limit REL: Recommended Exposure Limit Flam. Sol. 1: Flammable solids – Category 1 US

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