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Gadolinium(III) nitrate hydrate | SDS | CAS 94219-55-3 | Thermo Fisher Scientific | 12917 | English | 30-Jul-2026 · Version 5

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
12917
Language
English
Revision
30-Jul-2026 · Version 5
Region
Not stated
Pages
8
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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
2026-09-13T12:45:56.000Z
Record updated
2026-09-13T13:35:03.233Z
Original SDS revision
30-Jul-2026 · Version 5
Original PDF SHA-256
1a998fd655eca3d4b0f2a3187fa600c96265b5205e4067d316cdcf18b17ce7bc

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Page 1

Page 1 / 8 SAFETY DATA SHEET Revision Date 30-Jul-2026 Version 5

ALFAA12917

Gadolinium(III) nitrate hydrate

SECTION 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING

产品说明:产品说明:产品说明:产品说明: 水合硝酸钆水合硝酸钆水合硝酸钆水合硝酸钆 Product Description: Gadolinium(III) nitrate hydrate

Cat No. : 12917 CAS No 94219-55-3 Molecular Formula Gd(NO3)3. xH2 O

Supplier Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) Shore Road, Heysham Lancashire, LA3 2XY, United Kingdom Office Tel: +44 (0) 1524 850506 Office Fax: +44 (0) 1524 850608

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

E-mail address begel.sdsdesk@thermofisher.com

Recommended Use Laboratory chemicals. Uses advised against No Information available

SECTION 2. HAZARD IDENTIFICATION

Physical State Appearance Odor Solid Crystalline White Odorless

Emergency Overview May intensify fire; oxidizer. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Hygroscopic.

Classification of the substance or mixture

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

Label Elements

Signal Word Danger

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 2 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________ Hazard Statements H272 - May intensify fire; oxidizer H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation

Precautionary Statements Prevention P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P220 - Keep away from clothing and other combustible materials P221 - Take any precaution to avoid mixing with combustibles P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection Response P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P312 - Call a POISON CENTER or doctor if you feel unwell P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P362 + P364 - Take off contaminated clothing and wash it before reuse Storage P403 + P233 - Store in a well-ventilated place. Keep container tightly closed Disposal P501 - Dispose of contents/ container to an approved waste disposal plant

Physical and Chemical Hazards Oxidizing. Contact with combustible material may cause fire. Hygroscopic. Health Hazards Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Environmental hazards Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants.

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

SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

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

SECTION 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.

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 effects ______________________________________________________________________________________________ Page 2

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 3 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________ None reasonably foreseeable.

Self-Protection of the First Aider No special precautions required.

Notes to Physician Treat symptomatically.

SECTION 5. FIRE-FIGHTING MEASURES

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

Extinguishing media which must not be used for safety reasons 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.).

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.

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

Refer to protective measures listed in Sections 8 and 13.

SECTION 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. 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.

Specific Use(s) Use in laboratories

SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Control Parameters

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 4 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________

Monitoring methods BS EN 14042:2003 Title Identifier: Workplace atmospheres. Guide for the application and use of procedures for the assessment of exposure to chemical and biological agents. MDHS14/3 General methods for sampling and gravimetric analysis of respirable and inhalable dust MDHS 91 Metals and metalloids in workplace air by X-ray fluorescence spectrometry MDHS 99 Metals in air by ICP-AES

Exposure Controls

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 Protection Goggles (European standard - EN 166)

Hand Protection Protective gloves

Glove material Breakthrough time Glove thickness EU standard Glove comments Natural rubber See manufacturers - EN 374 (minimum requirement) Nitrile rubber recommendations Neoprene PVC Inspect gloves before use. Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. (Refer to manufacturer/supplier for information) Ensure gloves are suitable for the task: Chemical compatability, Dexterity, Operational conditions, User susceptibility, e.g. sensitisation effects, also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion. Remove gloves with care avoiding skin contamination.

Skin and body protection Long sleeved clothing

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

Large scale/emergency use Use a NIOSH/MSHA or European Standard EN 136 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced Recommended Filter type: Particle filter

Small scale/Laboratory use Maintain adequate ventilation

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

Environmental exposure controls No information available.

SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance White Physical State Solid Crystalline

Odor Odorless Odor Threshold No data available pH No information available 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 Evaporation Rate Not applicable Solid Flammability (solid,gas) No information available ______________________________________________________________________________________________ Page 4

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 5 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________ Explosion Limits No data available

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

Molecular Formula Gd(NO3)3. xH2 O Molecular Weight 343.26(anhy)

SECTION 10. STABILITY AND REACTIVITY

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

Hazardous Reactions None under normal processing. Hazardous Polymerization No information available.

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

Materials to avoid Reducing Agent. Strong reducing agents. Combustible material.

Hazardous Decomposition Products Nitrogen oxides (NOx). Gadolinium oxide.

SECTION 11. TOXICOLOGICAL INFORMATION

Product Information

(a) acute toxicity;

(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; No data available

There are no known carcinogenic chemicals in this product

(g) reproductive toxicity; No data available

(h) STOT-single exposure; Category 3

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 6 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________

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

SECTION 12. ECOLOGICAL INFORMATION

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

Persistence and Degradability Product contains heavy metals. Discharge into the environment must be avoided. Special pre-treatment is necessary Persistence May persist. Degradability Not relevant for inorganic substances. Degradation in sewage Contains substances known to be hazardous to the environment or not degradable in waste treatment plant water treatment plants.

Bioaccumulative Potential Product has a high potential to bioconcentrate

Mobility in soil No information available

Endocrine Disruptor Information This product does not contain any known or suspected endocrine disruptors Persistent Organic Pollutant This product does not contain any known or suspected substance Ozone Depletion Potential This product does not contain any known or suspected substance

SECTION 13. DISPOSAL CONSIDERATIONS

Waste from Residues/Unused Waste is classified as hazardous. Dispose of in accordance with the European Directives Products on waste and hazardous waste. Dispose of in accordance with local regulations.

Contaminated Packaging Dispose of this container to hazardous or special waste collection point.

Other Information Waste codes should be assigned by the user based on the application for which the product was used. Do not empty into drains.

SECTION 14. TRANSPORT INFORMATION

Road and Rail Transport

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

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 7 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________ IMDG/IMO

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

Special Precautions for User No special precautions required

SECTION 15. REGULATORY INFORMATION

International Inventories X = listed, China (IECSC), Europe (EINECS/ELINCS/NLP), U.S.A. (TSCA), Canada (DSL/NDSL), Philippines (PICCS), Japan (ENCS), Japan (ISHL), Australia (AICS), Korea (KECL).

National Regulations

SECTION 16. OTHER INFORMATION

Prepared By Health, Safety and Environmental Department Revision Date 30-Jul-2026 Revision Summary Not applicable.

Training Advice Chemical hazard awareness training, incorporating labelling, Safety Data Sheets (SDS), Personal Protective Equipment (PPE) and hygiene.

Legend

CAS - Chemical Abstracts Service TSCA - United States Toxic Substances Control Act Section 8(b) Inventory EINECS/ELINCS - European Inventory of Existing Commercial Chemical DSL/NDSL - Canadian Domestic Substances List/Non-Domestic Substances/EU List of Notified Chemical Substances Substances List PICCS - Philippines Inventory of Chemicals and Chemical Substances ENCS - Japanese Existing and New Chemical Substances IECSC - Chinese Inventory of Existing Chemical Substances AICS - Australian Inventory of Chemical Substances KECL - Korean Existing and Evaluated Chemical Substances NZIoC - New Zealand Inventory of Chemicals

WEL - Workplace Exposure Limit TWA - Time Weighted Average ACGIH - American Conference of Governmental Industrial Hygienists IARC - International Agency for Research on Cancer DNEL - Derived No Effect Level PNEC - Predicted No Effect Concentration RPE - Respiratory Protective Equipment LD50 - Lethal Dose 50% LC50 - Lethal Concentration 50% EC50 - Effective Concentration 50% NOEC - No Observed Effect Concentration POW - Partition coefficient Octanol:Water PBT - Persistent, Bioaccumulative, Toxic vPvB - very Persistent, very Bioaccumulative

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ALFAA12917 SAFETY DATA SHEET Revision Date 30-Jul-2026Page 8 / 8 Gadolinium(III) nitrate hydrate ______________________________________________________________________________________________ ICAO/IATA - International Civil Aviation Organization/International Air IMO/IMDG - International Maritime Organization/International Maritime Transport Association Dangerous Goods Code ADR - European Agreement Concerning the International Carriage of MARPOL - International Convention for the Prevention of Pollution from Dangerous Goods by Road Ships OECD - Organisation for Economic Co-operation and Development ATE - Acute Toxicity Estimate BCF - Bioconcentration factor VOC - (Volatile Organic Compound)

Key literature references and sources for data https://echa.europa.eu/information-on-chemicals Suppliers safety data sheet, Chemadvisor - LOLI, Merck index, RTECS

Disclaimer 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 Safety Data Sheet

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