# Gadolinium — Safety Data Sheet — CDH

原本PDFから抽出したテキストです。表、画像、記号、OCR結果は原本と異なる場合があります。安全情報は原本PDFで確認してください。

- **文書名:** Gadolinium — Safety Data Sheet — CDH
- **発行元:** CDH
- **材料:** Gadolinium
- **CAS番号:** 7440\-54\-2
- **製品番号・グレード:** 
- **文書種類:** SDS
- **原文の言語:** English
- **地域:** European Union · REACH / CLP
- **改訂日:** 
- **ページ数:** 6
- **原本ファイル名:** 001\_Gadolinium\_CDH\_EN\.pdf
- **RESDSページ:** https://resds\.com/document/gadolinium\-sds\-en\-1df11b0d43
- **原本PDF:** https://resds\.com/pdf/gadolinium\-sds\-en\-1df11b0d43\.pdf
- **情報源URL:** https://www\.cdhfinechemical\.com/images/product/msds/51\_812839095\_GADOLINIUM\-CASNO\-7440\-54\-2\-MSDS\.pdf
- **説明:** Original CDH safety data sheet for Gadolinium\. Original PDF retained without modification\. Source collected on 2026\-09\-13\.

## ページ 1

```text
         GADOLINIUM            MATERIAL SAFETY DATA SHEET
       CAS No 7440-54-2                  SDS/MSDS

 SECTION 1: Identification of the substance/mixture and of the company/undertaking
 1.1   Product identifiers
       Product name                        :                                    Gadolinium

      CAS-No.                                 :  7440-54-2
 1.2   Relevant identified uses of the substance or mixture and uses advised against
         Identified uses                        :  Laboratory chemicals, Industrial & for professional use only.
 1.3    Details of the supplier of the safety data sheet
      Company                               :   Central Drug House (P) Ltd
                                     7/28 Vardaan House
                           New Delhi -110002
                                  INDIA
       Telephone                              :  +91 11 49404040
       Email                                     :  care@cdhfinechemical.com
1.4   Emergency telephone number
      Emergency Phone #              :  +91 11 49404040 (9:00am - 6:00 pm) [Office hours]

 SECTION 2: Hazards identification

 2.1    Classification of the substance or mixture
        Classification according to Regulation (EC) No 1272/2008
       Substances, which in contact with water, emit flammable gases (Category 3), H261
       For the full text of the H-Statements mentioned in this Section, see Section 16.
 2.2   Label elements
        Labelling according Regulation (EC) No 1272/2008

       Pictogram


        Signal word                 Warning
       Hazard statement(s)
      H261                             In contact with water releases flammable gases.
        Precautionary statement(s)
      P231 + P232                Handle under inert gas. Protect from moisture.
      P422                         Store contents under inert gas.
       Supplemental Hazard         none
        Statements
  2.3   Other hazards - none

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## ページ 2

```text
SECTION 3: Composition/information on ingredients
3.1   Substances
      Formula                                  :  Gd
      Molecular weight                    :  157.25 g/mol
     CAS-No.                                 :  7440-54-2
      EC-No.                                   :  231-162-2

     No components need to be disclosed according to the applicable regulations.
      For the full text of the H-Statements mentioned in this Section, see Section 16.

SECTION 4: First aid measures
4.1   Description of first aid measures
      General advice
      Consult a physician. Show this safety data sheet to the doctor in attendance.
          If inhaled
           If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
       In case of skin contact
     Wash off with soap and plenty of water. Consult a physician.
       In case of eye contact
      Flush eyes with water as a precaution.
          If swallowed
      Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
4.2   Most important symptoms and effects, both acute and delayed
     The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
       section 11
4.3    Indication of any immediate medical attention and special treatment needed
     No data available

SECTION 5: Firefighting measures
5.1   Extinguishing media
      Suitable extinguishing media
      Dry powder Carbon dioxide (CO2)
      Unsuitable extinguishing media
      Water
5.2   Special hazards arising from the substance or mixture
      gadolinium oxides
5.3   Advice for firefighters
     Wear self-contained breathing apparatus for firefighting if necessary.
5.4   Further information
     No data available

SECTION 6: Accidental release measures
6.1   Personal precautions, protective equipment and emergency procedures
      Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate
      personnel to safe areas.
      For personal protection see section 8.



                                                                                                 Page 2 of 6
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## ページ 3

```text
6.2   Environmental precautions
      Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
6.3   Methods and materials for containment and cleaning up
     Sweep up and shovel.\'20 Contain spillage, and then collect with an electrically protected vacuum
       cleaner or by wet-brushing and place in container for disposal according to local regulations (see section
       13). Do not flush with water. Keep in suitable, closed containers for disposal.
6.4   Reference to other sections
      For disposal see section 13.

SECTION 7: Handling and storage
7.1   Precautions for safe handling
      Provide appropriate exhaust ventilation at places where dust is formed.Keep away from sources of ignition
         - No smoking.
      For precautions see section 2.2.
7.2   Conditions for safe storage, including any incompatibilities
      Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
      Never allow product to get in contact with water during storage.
        Air and moisture sensitive.
      Storage class (TRGS 510): Solid substances which give off flammable gases in contact with water
7.3   Specific end use(s)
      Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
8.1   Control parameters
8.2   Exposure controls
      Appropriate engineering controls
      Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
       at the end of workday.
      Personal protective equipment
           Eye/face protection
            Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and
           approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
           Skin protection
           Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
             (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
            contaminated gloves after use in accordance with applicable laws and good laboratory practices.
         Wash and dry hands.
         Body Protection
          Flame retardant protective clothing, The type of protective equipment must be selected according
              to the concentration and amount of the dangerous substance at the specific workplace.
           Respiratory protection
          Where risk assessment shows air-purifying respirators are appropriate use (EN 143) respirator
             cartridges as a backup to engineering controls. If th full-face supplied air respirator. Use respirators
           and components tested and approved under appropriate government standards such as NIOSH
           (US) or CEN (EU).
           Control of environmental exposure
            Prevent further leakage or spillage if safe to do so. Do not let product enter drains.





                                                                                                 Page 3 of 6
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## ページ 4

```text
SECTION 9: Physical and chemical properties
9.1   Information on basic physical and chemical properties
       a)  Appearance            Form: solid in various forms
                                    Colour: light grey
       b)  Odour              No data available
       c)  Odour Threshold      No data available
       d)  pH                No data available
       e)  Melting point/freezing     Melting point/range: 1,313 °C
            point
          f)    Initial boiling point and    3,273 °C
            boiling range
       g)  Flash point           No data available
       h)  Evaporation rate       No data available
           i)   Flammability (solid, gas) No data available
           j)   Upper/lower          No data available
           flammability or
           explosive limits
       k)  Vapour pressure       No data available
           l)   Vapour density        No data available
     m)  Relative density         7.886 g/mL at 25 °C
       n)  Water solubility           insoluble
       o)  Partition coefficient: n-   No data available
           octanol/water
       p)  Auto-ignition          No data available
          temperature
       q)  Decomposition        No data available
          temperature
         r)   Viscosity            No data available
       s)  Explosive properties    No data available
          t)   Oxidizing properties    No data available
9.2   Other safety information
     No data available

SECTION 10: Stability and reactivity
10.1  Reactivity
     No data available
10.2  Chemical stability
       Stable under recommended storage conditions.
10.3  Possibility of hazardous reactions
      Reacts violently with water.
10.4  Conditions to avoid
      Exposure to moisture
10.5  Incompatible materials
      Oxygen, Strong acids, Strong oxidizing agents


                                                                                                 Page 4 of 6
```

## ページ 5

```text
10.6  Hazardous decomposition products
      Hazardous decomposition products formed under fire conditions. - gadolinium oxides
      Other decomposition products - No data available
       In the event of fire: see section 5

SECTION 11: Toxicological information
11.1  Information on toxicological effects
      Acute toxicity
     No data availableGadolinium
      Skin corrosion/irritation
     No data available(Gadolinium)
      Serious eye damage/eye irritation
     No data available(Gadolinium)
      Respiratory or skin sensitisation
     No data available(Gadolinium)
     Germ cell mutagenicity

     No data available(Gadolinium)
      Carcinogenicity
      IARC:    No component of this product present at levels greater than or equal to 0.1% is identified as
                  probable, possible or confirmed human carcinogen by IARC.
      Reproductive toxicity
     No data available(Gadolinium)
      Specific target organ toxicity - single exposure
     No data available(Gadolinium)
      Specific target organ toxicity - repeated exposure
     No data available
      Aspiration hazard
     No data available(Gadolinium)

      Additional Information
     RTECS: Not available

SECTION 12: Ecological information
12.1  Toxicity
     No data available
12.2  Persistence and degradability
     No data available

12.3  Bioaccumulative potential
     No data available
12.4  Mobility in soil
     No data available(Gadolinium)
12.5  Results of PBT and vPvB assessment
      PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
12.6  Other adverse effects
     No data available

                                                                                                 Page 5 of 6
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## ページ 6

```text
SECTION 13: Disposal considerations
13.1  Waste treatment methods
      Product
      Burn in a chemical incinerator equipped with an afterburner and scrubber b highly flammable. Offer
       surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
       professional waste disposal service to dispose of this material.
      Contaminated packaging
      Dispose of as unused product.

SECTION 14: Transport information
14.1  UN number
      ADR/RID: 3208                IMDG: 3208                    IATA: 3208
14.2  UN proper shipping name
      ADR/RID: METALLIC SUBSTANCE, WATER-REACTIVE, N.O.S. (Gadolinium)
      IMDG:   METALLIC SUBSTANCE, WATER-REACTIVE, N.O.S. (Gadolinium)
      IATA:    METALLIC SUBSTANCE, WATER-REACTIVE, N.O.S. (Gadolinium)
14.3  Transport hazard class(es)
      ADR/RID: 4.3                 IMDG: 4.3                       IATA: 4.3
14.4  Packaging group
      ADR/RID: III                  IMDG: III                        IATA: III
14.5  Environmental hazards
      ADR/RID: no                IMDG Marine pollutant: no         IATA: no
14.6  Special precautions for user
     No data available

SECTION 15: Regulatory information
15.1  Safety, health and environmental regulations/legislation specific for the substance or mixture
       This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
15.2  Chemical safety assessment
       For this product a chemical safety assessment was not carried out

SECTION 16: Other information
       Full text of H-Statements referred to under sections 2 and 3.

     H261                In contact with water releases flammable gases.
      Further information
      The above information is believed to be correct but does not purport to be all inclusive and shall be
      used only as a guide. The information in this document is based on the present state of our knowledge
      and is applicable to the product with regard to appropriate safety precautions. It does not represent
      any guarantee of the properties of the product. Central Drug House (P) Ltd and its Affiliates shall not
      be held liable for any damage resulting from handling or from contact with the above product. See
      www.cdhfinechemical.com for additional terms and conditions of sale.





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