Gadolinium SDS
Original CDH safety data sheet for Gadolinium. Original PDF retained without modification. Source collected on 2026-09-13.
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Normalized SDS data & document analysis
RESDS derives the results below from this document’s extracted text and the site’s same-material index. Detected codes are not reclassified. “Not detected” does not mean “not present”; confirm the original PDF for safety-critical use.
GHS & transport evidence
Page links show the first occurrence found in extracted text.
SDS 16-section coverage
13 section headings detected; 3 not detected by the parser.
Normalized physical-property units
Calculated conversions from values detected in this SDS; not independent laboratory measurements.
| Property | SDS value | SI conversion | US conversion |
|---|---|---|---|
| Melting point | 313 °C | 586.15 K | 595.4 °F |
| Boiling point | 273 °C | 546.15 K | 523.4 °F |
Same-material SDS comparison
29 indexed documents · 12 publishers · 3 languages · 10 stated revisions · page range 3–8. This compares document metadata, not product equivalence.
| Publisher | Revision | Language | Region | Pages |
|---|---|---|---|---|
| Current CDH | Not stated | English | European Union · REACH / CLP | 6 |
| Alfa-Aesar | 04/10/2017 · Version 1 | English | United States · OSHA; Canada · WHMIS | 5 |
| Ames Laboratory, US DOE — Materials Preparation Center | January 26, 2016 | English | United States · OSHA HCS 29 CFR 1910.1200 | 3 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 31-Jul-2026 | English | United Kingdom | 8 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 31-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 31-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 31-Jul-2026 | English | United Kingdom | 7 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 31-Jul-2026 | English | United Kingdom | 8 |
Material & document specifications
- Material
- Gadolinium
- Product / grade
- Not stated
- Publisher
- CDH
- Region
- European Union · REACH / CLP
- File name
- 001_Gadolinium_CDH_EN.pdf
- Document type
- SDS
- CAS reference(s)
- 7440-54-2
- Language
- English
- Original revision
- Not stated
- Pages
- 6
- File size
- 103 KB
- Downloads
- 16
- Date added
- 2026-09-13
Full document text
6 pages · Original document language
Text extracted from the original PDF. Page order and original wording are preserved; tables and symbols may differ from the PDF layout. Check the original PDF for safety-critical details.
Page 1
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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Page 2
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
Page 3
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
Page 4
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
Page 5
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
Page 6
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.
Page 6 of 6
Same material — SDS from other publishers
28 documents in this material index. Product grades, hydration states and formulations must be checked in each original PDF.
Gadolinium foil SDS
Alfa-Aesar
English · 04/10/2017 · Version 1
PDF · 3 pagesGadolinium metal SDS
Ames Laboratory, US DOE — Materials Preparation Center
English · January 26, 2016
PDF · 8 pagesGadolinium foil SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 7 pagesGadolinium rod SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 7 pagesGadolinium rod SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 7 pagesGadolinium ingot/button SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 8 pagesGadolinium foil SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 7 pagesGadolinium foil SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 8 pagesGadolinium powder SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 24-Jul-2026
PDF · 7 pagesGadolinium sputtering target SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 11-Aug-2026
PDF · 7 pagesGadolinium sputtering target SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 8 pagesGadolinium pieces SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 8 pagesGadolinium foil SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 8 pagesGadolinium powder SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 24-Jul-2026
PDF · 8 pagesGadolinium foil SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 7 pagesGadolinium ingot SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 31-Jul-2026
PDF · 5 pagesGadolinium - pieces, chips, ingot, rod, foil (≥0.005"), sheet, target SDS
ESPI
English · Revision not stated
PDF · 4 pagesGadolinium, Powder SDS
ProChem
English · Revision not stated
PDF · 4 pagesGadolinium, Chips SDS
ProChem
English · Revision not stated
PDF · 7 pagesGadolinium, chips, 99.9% trace rare earth metals basis SDS
Sigma-Aldrich
English · 08/10/2015 · Version 4.6
PDF · 8 pagesGadolinium powder (99.9% REO) SDS
Strem
English · 07/31/2016
PDF · 6 pagesGadolinium chips (99.9% REO) SDS
Strem
French · Revision not stated
PDF · 8 pagesGadolinium powder (99.9% REO) SDS
Strem Chemicals, Inc.
English · 07/21/2021
PDF · 7 pagesGadolinium ingot (99.9% REO) SDS
Strem Chemicals, Inc.
English · 07/21/2021
PDF · 4 pagesGadolinium foil and sheet - Japanese MSDS SDS
The Nilaco Corporation
Japanese · Revision not stated
PDF · 7 pagesGadolinium rod SDS
Thermo Fisher Scientific
English · 25-Dec-2025 · Revision 4
PDF · 8 pagesGadolinium powder SDS
Thermo Fisher Scientific
English · 22-Dec-2025 · Revision 4
PDF · 6 pagesGadolinium SDS
Trace Sciences
English · Revision not stated
Original publisher & company information
CDH
- Brand / organization
- CDH
- Country / office
- India
- Website
- cdhfinechemical.com
- SDS contact email
- care@cdhfinechemical.com
- Business phone in SDS
- +91 11 49404040
- Product / reference
- Gadolinium
View extracted supplier details
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.comAbout CDH
CDH is the organization attributed as publisher or supplier of this SDS. See the original identification section and official website for its company profile.
Company website & profileDocument source & record history
Original record: Gadolinium — Safety Data Sheet — CDH
Added: 2026-09-13T12:34:37.000Z · Record updated: 2026-09-14T02:29:00.557Z
Original file SHA-256: 54e559c7dd335150f75492cde5ac176c18ab459d733d3ac43f5c32527909fcc5
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Official chemical reference sources
Source guide ↗CAS references recorded in this SDS. Properties below describe individual substances, not necessarily the complete product. Check the original SDS for mixtures, grades and hydrate states.
CAS 7440-54-2gadolinium
CAS 7440-54-2 · CAS Common Chemistry ↗ · PubChem ↗
- Chemical name (IUPAC)
- gadolinium ↗
- Molecular formula
- Gd ↗
- Molecular weight
- 157.25 g/mol ↗
- Chemical structure
- Open structure at PubChem ↗
PubChem reference retrieved 2026-09-14. Exact CAS synonym match.
ECHA CHEM · search CAS 7440-54-2 ↗ · AICIS inventory · search CAS 7440-54-2 ↗
GHS provides classification criteria. The applicable hazard classification must be checked for the specific product and jurisdiction.
Suppliers of this material
Companies identified from matching material SDS and checked official product pages. Confirm grade, formulation and availability with the supplier. Missing contacts are not inferred.
| Company | Country | Website | Phone | Evidence | |
|---|---|---|---|---|---|
| Alfa Aesar | United States | Website | tech@alfa.com | 800-343-0660 | Source Same material SDS; verify grade and availability |
| Ames Laboratory, US DOE | United States | Website | mpc@ameslab.gov | 515-294-5236 | Source Same material SDS; verify grade and availability |
| Avocado Research Chemicals Ltd. | United Kingdom | Website | Not stated | +44 (0) 1524 850506 | Source Same material SDS; verify grade and availability |
| ESPI Metals | Not stated | Website | sales@espimetals.com | 800-638-2581 | Source Same material SDS; verify grade and availability |
| ProChem | United States | Website | Not stated | 815-398-1788 | Source Same material SDS; verify grade and availability |
| Sigma-Aldrich | United States | Website | Not stated | +1 800-325-5832 | Source Same material SDS; verify grade and availability |
| Strem Chemicals, Inc. | United States | Website | support@ascensusspecialties.com | Not stated | Source Same material SDS; verify grade and availability |
| Strem Chemicals, Inc. | United States | Website | info@strem.com | Not stated | Source Same material SDS; verify grade and availability |
| The Nilaco Corporation | Japan | Website | Not stated | 03-3563-0555 | Source Same material SDS; verify grade and availability |
| Trace Sciences International | Canada | Website | sales@tracesciences.com | +1 905-770-1100 | Source Same material SDS; verify grade and availability |
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Material background on Wikipedia
Look up Gadolinium on Wikipedia. A matching article introduction is displayed when available; product-specific mixtures and reference materials may not have a dedicated article.
Find this material on Wikipedia ↗Introduction from Wikipedia contributors; CC BY-SA 4.0. General material background, not a replacement for this product’s SDS.