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Gadolinium(III) nitrate hydrate | SDS | CAS 94219-55-3 | Thermo Fisher Scientific | 11284 | English | 24-Dec-2025 · Revision 4

Original Thermo Fisher Scientific safety data sheet for Gadolinium(III) nitrate hydrate. Original PDF retained without modification. Source collected on 2026-09-13.

Publisher
Thermo Fisher Scientific
Document type
SDS
Material
Gadolinium(III) nitrate hydrate
CAS
94219-55-3
Product code
11284
Language
English
Revision
24-Dec-2025 · Revision 4
Region
United States · OSHA
Pages
9
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GdNitrateComposition not fully established
Why this document matches

Composition is not fully established. An unlisted element is not proof of absence.

Gd · Composition · Page 2
Gadolinium(III) nitrate hydrate 94219-55-3 <=100

Other documented elements: H, N, O

Source and record details

Original record title
Gadolinium(III) nitrate hydrate — Safety Data Sheet — Thermo Fisher Scientific
Added to RESDS
2026-09-13T12:46:00.000Z
Record updated
2026-09-13T13:35:03.233Z
Original SDS revision
24-Dec-2025 · Revision 4
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Page 1

SAFETY DATA SHEET

Revision Date 24-Dec-2025 Revision Number 4

This safety data sheet was created pursuant to the requirements of: US OSHA Hazard Communication Standard 2024 (29 CFR 1910.1200)

1. Identification

Product Name Gadolinium(III) nitrate hydrate

Cat No. : 11284

CAS No 94219-55-3 Synonyms No information available

Recommended Use Laboratory chemicals. Uses advised against Food, drug, pesticide or biocidal product use.

Details of the supplier of the safety data sheet

Company Thermo Fisher Scientific Chemicals, Inc. 30 Bond Street Ward Hill, MA 01835-8099 Tel: 800-343-0660 Fax: 800-322-4757

Emergency Telephone Number For information US call: 001-800-227-6701 / Europe call: +32 14 57 52 11 Emergency Number US:001-201-796-7100 / Europe: +32 14 57 52 99 CHEMTREC Tel. No. US:001-800-424-9300 / Europe:001-703-527-3887

2. Hazard(s) identification

Classification This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024)

Oxidizing solids Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system.

Label Elements

Signal Word Danger

Hazard Statements May intensify fire; oxidizer

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

Causes skin irritation Causes serious eye irritation May cause respiratory irritation

Precautionary Statements Prevention Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep away from clothing and other combustible materials Take any precaution to avoid mixing with combustibles Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Call a POISON CENTER or doctor if you feel unwell Skin IF ON SKIN: Wash with plenty of soap and water If skin irritation occurs: Get medical advice/attention Take off contaminated clothing Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention Fire In case of fire: Use CO2, dry chemical, or foam to extinguish Storage Store in a well-ventilated place. Keep container tightly closed Store locked up Disposal Dispose of contents/container to an approved waste disposal plant Hazards not otherwise classified (HNOC) None identified

Hazards classified under paragraph (d)(1)(ii) of 1910.1200 No information available

3. Composition/information on Ingredients

Component CAS No Weight % Gadolinium(III) nitrate hydrate 94219-55-3 <=100

4. First-aid measures

General Advice If symptoms persist, call a physician.

Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention.

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

Skin Contact Wash off immediately with plenty of water for at least 15 minutes. If skin irritation persists, call a physician.

Inhalation Remove to fresh air. If not breathing, give artificial respiration. Get medical attention if symptoms occur.

Ingestion Clean mouth with water and drink afterwards plenty of water. Get medical attention if symptoms occur.

Most important symptoms and None reasonably foreseeable. effects Notes to Physician Treat symptomatically

5. Fire-fighting measures

Suitable Extinguishing Media Carbon dioxide (CO 2). Powder. Foam. Water may be ineffective.

Unsuitable Extinguishing Media No information available

Flash Point No information available Method - No information available

Autoignition Temperature No information available Explosion Limits Upper No data available Lower No data available Oxidizing Properties Oxidizer

Sensitivity to Mechanical Impact No information available Sensitivity to Static Discharge No information available

Specific Hazards Arising from the Chemical Oxidizer: Contact with combustible/organic material may cause fire. May ignite combustibles (wood paper, oil, clothing, etc.).

Hazardous Combustion Products Nitrogen oxides (NOx). Gadolinium oxide. Protective Equipment and Precautions for Firefighters As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.

NFPA Health Flammability Instability Physical hazards 2 0 1 - OX

6. Accidental release measures

Personal Precautions Ensure adequate ventilation. Use personal protective equipment as required. Avoid dust formation. Environmental Precautions Should not be released into the environment. See Section 12 for additional Ecological Information. Do not allow material to contaminate ground water system. Do not flush into surface water or sanitary sewer system.

Methods for Containment and Clean Sweep up and shovel into suitable containers for disposal. Keep in suitable, closed Up containers for disposal. Soak up with inert absorbent material. Sweep up and shovel into suitable containers for disposal.

7. Handling and Storage

Handling Wear personal protective equipment/face protection. Ensure adequate ventilation. Avoid ingestion and inhalation. Avoid dust formation. Do not get in eyes, on skin, or on clothing.

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

Keep away from clothing and other combustible materials.

Storage. Store under an inert atmosphere. Air sensitive. Keep containers tightly closed in a dry, cool and well-ventilated place. Do not store near combustible materials. Incompatible Materials. Reducing Agent. Strong reducing agents. Combustible material.

8. Exposure controls / personal protection

Exposure Guidelines This product does not contain any hazardous materials with occupational exposure limitsestablished by the region specific regulatory bodies.

Engineering Measures None under normal use conditions. Ensure that eyewash stations and safety showers are close to the workstation location. Ensure adequate ventilation, especially in confined areas.

Personal Protective Equipment

Eye/face Protection Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.

Skin and body protection Wear appropriate protective gloves and clothing to prevent skin exposure.

Respiratory Protection No protective equipment is needed under normal use conditions.

Recommended Filter type: Particle filter.

Hygiene Measures Handle in accordance with good industrial hygiene and safety practice.

9. Physical and chemical properties

Appearance Physical State Solid Crystalline Color White Odor Odorless Odor Threshold No information available Property Values Remarks •Method Melting Point/Range 92 °C / 197.6 °F Softening Point No data available Boiling Point/Range No information available Flash Point No information available Method - No information available Flammability (liquid) Not applicable Solid Flammability (solid,gas) No information available Explosion Limits No data available

Autoignition Temperature No data available Decomposition Temperature No data available pH No information available Viscosity Not applicable Solid Water Solubility No information available Solubility in other solvents No information available Partition Coefficient (n-octanol/water) Vapor Pressure No data available Density / Specific Gravity 2.406 g/cm3 @ 20 °C Bulk Density No data available Vapor Density Not applicable Solid Particle characteristics No data available

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

Other Information Molecular Formula Gd(NO3)3. xH2 O Molecular Weight 343.26(anhy) Oxidizing Properties Oxidizer Evaporation Rate Not applicable - Solid

10. Stability and reactivity

Reactive Hazard Yes

Stability Hygroscopic. Oxidizer: Contact with combustible/organic material may cause fire.

Conditions to Avoid Exposure to moist air or water. Incompatible products. Excess heat. Combustible material.

Incompatible Materials Reducing Agent, Strong reducing agents, Combustible material

Hazardous Decomposition Products Nitrogen oxides (NOx), Gadolinium oxide

Hazardous Polymerization Hazardous polymerization does not occur.

Hazardous Reactions None under normal processing.

11. Toxicological information

Information on expected route of exposure

Inhalation Not an expected route of exposure. Ingestion May be harmful if swallowed. Eyes Avoid contact with eyes. Irritating to eyes. Skin Avoid contact with skin. May cause irritation.

Toxicology data for the components

Toxicologically Synergistic No information available Products

(b) skin corrosion/irritation; Category 2

(c) serious eye damage/irritation; Category 2

(d) respiratory or skin sensitization; Respiratory No data available Skin No data available

(e) germ cell mutagenicity; No data available

(f) carcinogenicity;

The table below indicates whether each agency has listed any ingredient as a carcinogen

Component CAS No IARC NTP ACGIH OSHA Mexico Gadolinium(III) nitrate 94219-55-3 Not listed Not listed Not listed Not listed Not listed hydrate

(g) reproductive toxicity; No data available

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

(h) STOT-single exposure; Category 3

Results / Target organs Respiratory system.

(i) STOT-repeated exposure; No data available

Target Organs No information available.

(j) aspiration hazard; Not applicable Solid

Symptoms / effects,both acute and No information available. delayed

Other Adverse Effects The toxicological properties have not been fully investigated.

Endocrine Disrupting Properties This product does not contain any known or suspected endocrine disruptors.

12. Ecological information

Ecotoxicity May cause long-term adverse effects in the environment. Do not allow material to contaminate ground water system.

Persistence and Degradability May persist

Bioaccumulation/ Accumulation No information available.

Mobility No information available.

13. Disposal considerations

Waste Disposal Methods Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Chemical waste generators must also consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification.

14. Transport information

DOT UN-No UN1477 Proper Shipping Name NITRATES, INORGANIC, N.O.S. Technical Shipping Name (Gadolinium(III) nitrate hydrate) Hazard Class 5.1 Packing Group III TDG UN-No UN1477 Proper Shipping Name NITRATES, INORGANIC, N.O.S. Technical Shipping Name (Gadolinium(III) nitrate hydrate) Hazard Class 5.1 Packing Group III IATA UN-No UN1477 Proper Shipping Name NITRATES, INORGANIC, N.O.S. Technical Shipping Name (Gadolinium(III) nitrate hydrate) Hazard Class 5.1 Packing Group III IMDG/IMO UN-No UN1477

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

Proper Shipping Name NITRATES, INORGANIC, N.O.S. Technical Shipping Name (Gadolinium(III) nitrate hydrate) Hazard Class 5.1 Packing Group III

15. Regulatory Information

United States of America Inventory

Component CAS No TSCA TSCA Inventory notification - TSCA - EPA Regulatory Active-Inactive Flags Gadolinium(III) nitrate hydrate 94219-55-3 - - -

Legend: TSCA US EPA (TSCA) - Toxic Substances Control Act, (40 CFR Part 710) X - Listed '-' - Not Listed

TSCA - Per 40 CFR 751, Regulation of Certain Chemical Not applicable Substances & Mixtures, Under TSCA Section 6(h) (PBT)

TSCA 12(b) - Notices of Export Not applicable

International Inventories Canada (DSL/NDSL), Europe (EINECS/ELINCS/NLP), Philippines (PICCS), Japan (ENCS), Japan (ISHL), Australia (AICS), China (IECSC), Korea (KECL).

Component CAS No DSL NDSL EINECS PICCS ENCS ISHL AICS IECSC KECL Gadolinium(III) nitrate hydrate 94219-55-3 - - - - - - - -

KECL - NIER number or KE number (http://ncis.nier.go.kr/en/main.do)

U.S. Federal Regulations

SARA 313

Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA). This product does not contain any

chemicals which are subject to the reporting requirements of the Act and Title 40 of the Code of Federal Regulations, Part 372

SARA 311/312 Hazard Categories Should this product meet EPCRA 311/312 Tier reporting criteria at 40 CFR 370, refer to Section 2 of this SDS for appropriate classifications.

CWA (Clean Water Act) Not applicable

Clean Air Act Not applicable

OSHA - Occupational Safety and Not applicable Health Administration

CERCLA This material, as supplied, does not contain any substances regulated as hazardous substances under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302) or the Superfund Amendments and Reauthorization Act (SARA) (40 CFR 355). There may be specific reporting requirements at the local, regional, or state level pertaining to releases of this material.

California Proposition 65 This product does not contain any Proposition 65 chemicals.

U.S. State Right-to-Know Not applicable

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

Regulations

U.S. Department of Transportation Reportable Quantity (RQ): N DOT Marine Pollutant N DOT Severe Marine Pollutant N

U.S. Department of Homeland This product does not contain any DHS chemicals. Security

Other International Regulations

Mexico - Grade No information available

Authorisation/Restrictions according to EU REACH Not applicable

Component CAS No REACH (1907/2006) - REACH (1907/2006) - REACH Regulation (EC Annex XIV - Substances Annex XVII - Restrictions 1907/2006) article 59 - Subject to Authorization on Certain Dangerous Candidate List of Substances Substances of Very High Concern (SVHC) Gadolinium(III) nitrate hydrate 94219-55-3 - - -

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

Component CAS No OECD HPV Persistent Organic Ozone Depletion Restriction of Pollutant Potential Hazardous Substances (RoHS) Gadolinium(III) nitrate hydrate 94219-55-3 Not applicable Not applicable Not applicable Not applicable

Contains component(s) that meet a 'definition' of per & poly fluoroalkyl substance (PFAS)? Not applicable

Other International Regulations

Component CAS No Seveso III Directive Seveso III Directive Rotterdam Basel Convention (2012/18/EC) - (2012/18/EC) - Convention (PIC) (Hazardous Waste) Qualifying Quantities Qualifying Quantities for Major Accident for Safety Report Notification Requirements Gadolinium(III) nitrate hydrate 94219-55-3 Not applicable Not applicable Not applicable Not applicable

16. Other Information

Prepared By Health, Safety and Environmental Department Email: chem.techinfo@thermofisher.com www.thermofisher.com

Revision Date 24-Dec-2025 Print Date 24-Dec-2025 Revision Summary UpdatedtotheU.S.DepartmentofLabor’sOccupationalSafetyandHealthAdministration (OSHA) which published its Final Rule in the Federal Register revising the Hazard Communication Standard (HCS/HazCom), 29 CFR 1910.1200 (2024) (HCS §1910.1200, 2024), May 20, 2024, effective July 19, 2024.

Disclaimer

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Gadolinium(III) nitrate hydrate Revision Date 24-Dec-2025 ______________________________________________________________________________________________

The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text

End of SDS

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