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Gadolinium (III) Chloride Hydrate | SDS | CAS 19423-81-5 | ProChem | 1820 | English

Original ProChem safety data sheet for Gadolinium (III) Chloride Hydrate. Original PDF retained without modification. Source collected on 2026-09-13.

Publisher
ProChem
Document type
SDS
Material
Gadolinium (III) Chloride Hydrate
CAS
19423-81-5
Product code
1820
Language
English
Revision
Not stated
Region
Not stated
Pages
4
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GdChlorideComposition not fully established
Why this document matches

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

Gd · Composition · Page 2
Formula: GdCl3!XH20
Cl · Composition · Page 2
Formula: GdCl3!XH20

Other documented elements: Cl, H, O

Source and record details

Original record title
Gadolinium (III) Chloride Hydrate — Safety Data Sheet — ProChem
Added to RESDS
2026-09-13T12:43:32.000Z
Record updated
2026-09-13T13:35:03.233Z
Original SDS revision
Not stated
Original PDF SHA-256
116ee1a01a67c86180e1698cf6c8dbe9c5feed9e4b4dbad955db54b7a37f5c63

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Full document text

4 pages · Original document language

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Page 1

SECTION 1 PRODUCT AND COMPANY INFORMATION

PRODUCT NAME: Gadolinium (III) Chloride Hydrate

PRODUCT NUMBER: 1820

CAS NUMBER: 19423-81-5

SYNONYMS: Gadolinium trichloride hydrate

MANUFACTURER:

ProChem, Inc. PHONE: 815-398-1788 826 Roosevelt Road TOLL FREE: 800-795-8788 Rockford, IL 61109

IN CASE OF TRANSPORTATION EMERGENCY CONTACT CHEM-TREC: 1-800-424-9300

SECTION 2 HAZARDS IDENTIFICATION

CLASSIFICATION OF SUBSTANCE OR MIXTURE

Pictogram

Signal Word Warning

Hazard Statements

H315 Causes skin irritation. H319 Causes serious eye irritation. H335 May cause respiratory irritation.

Precautionary Phrases

P261 Avoid breathing dust/fume/gas/mist/vapors/spray. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: Wash with plenty of soap and water. P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with waster for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P362 Take off contaminated clothing and wash before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed.

HMIS CLASSIFICATION: Health: 1 Fire: 0 Reactivity Hazard: 0 NFPA RATING: Health: 1 Flammability: 0 Reactivity Hazard: 0

GADOLINIUM (III) CHLORIDE HYDRATE PAGE 1

Page 2

SECTION 2 HAZARDS IDENTIFICATION (Cont.)

EYE CONTACT: Causes serious eye irritation. SKIN CONTACT: Causes skin irritation. INHALATION: May cause respiratory irritation. INGESTION: May be irritation if swallowed.

SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS

Formula: GdCl3!XH20

Molecular Weight: 263.61 (anhy.)

CHEMICAL NAME CAS# %

Gadolinium (III) Chloride Hydrate 19423-81-5 100

SECTION 4 FIRST AID MEASURES

EYE EXPOSURE: Immediately flush the eyes with copious amounts of water for at least 15 minutes. Assure flushing under eyelids. A victim may need assistance in keeping their eyelids open. Get immediate competent medical attention. SKIN EXPOSURE: Wash affected area with plenty of water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. INHALATION: Remove to fresh air and keep at rest. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases, seek immediate medical assistance. INGESTION: Seek medical assistance immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.

SECTION 5 FIREFIGHTING MEASURES

FLASH POINT: Not available AUTO IGNITION TEMPERATURE: Not available EXPLOSION LIMITS: Product does not present an explosion hazard. EXTINGUISHING MEDIUM: Carbon dioxide, extinguishing powder, or water spray. Fight large fires with water spray. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained, approved breathing apparatus and full protective clothing, including eye protection and boots. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: Hydrogen chloride, chlorine, and gadolinium oxides

SECTION 6 ACCIDENTAL RELEASE MEASURES

PERSONAL PRECAUTIONS: Wear all appropriate equipment when using this material. Ensure adequate ventilation. Avoid the formation of dust. Avoid breathing vapors, mist, gas, or dust. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released to the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Sweep up and place in suitable container for proper disposal.

SECTION 7 HANDLING AND STORAGE

PRECAUTIONS FOR SAFE HANDLING: Wear appropriate personal protective equipment. Avoid contact with skin and eyes. Use with adequate ventilation. Avoid formation of dusts and aerosols. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. Store under inert gas.

SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION

EXPOSURE CONTROLS: Contains no substances with occupational exposure limit values. EYE PROTECTION: Wear chemical safety glasses or goggles and face shield. SKIN PROTECTION: Wear nitrile or rubber gloves, and a complete suit protecting against chemicals. VENTILATION: Provide local exhaust, preferably mechanical.

GADOLINIUM (III) CHLORIDE HYDRATE PAGE 2

Page 3

SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION (Cont.)

RESPIRATOR: Use an approved respirator. ADDITIONAL PROTECTION: Provide eyewash stations, quick-drench showers and washing facilities accessible to areas of use and handling.

SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES

COLOR AND FORM: White to light grey solid ODOR: None MOLECULAR WEIGHT: 263.61 (anhy.) BOILING POINT: No data available MELTING POINT: No data available SPECIFIC GRAVITY: 2.42 gm/ml VAPOR DENSITY: No data available SOLUBILITY: Soluble

SECTION 10 STABILITY AND REACTIVITY

STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: Avoid moisture. INCOMPATIBILITY: Bases, strong acids and strong oxidizing agents DECOMPOSITION PRODUCTS: Hydrogen chloride, chlorine, and gadolinium oxides

SECTION 11 TOXICOLOGICAL DATA

ACUTE TOXICITY: LD50 Intraperitoneal – mouse – 500.1 mg/kg and LD50 Intravenous – mouse – 100mg/kg. CARCINOGENIC EFFECTS: No components of this product present at levels greater than or equal to 0.1% is identified a carcinogen. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available CHRONIC TOXICITY: Lanthanons can cause delayed blood clotting leading to hemorrhages. Exposure may also lead to sensitivity heat, itching, increased awareness of odor and taste, and liver damage. RTECS: LW4050000

To the best of our knowledge the toxicological effects of this compound have not been fully investigated.

SECTION 12 ECOLOGICAL DATA

No data available.

SECTION 13 DISPOSAL CONSIDERATIONS

Dispose of in according to local, state, and federal regulations.

SECTION 14 TRANSPORTATION DATA

Not a dangerous good.

SECTION 15 REGULATORY INFORMATION

TSCA: Listed in the TSCA inventory

SARA 302/304: Not Listed SARA 311/312: Acute Health Hazard SARA (TITLE 313): Not Listed

GADOLINIUM (III) CHLORIDE HYDRATE PAGE 3

Page 4

SECTION 15 REGULATORY INFORMATION (Cont.)

CALIFORNIA PROP. 65: Not Listed MASSACHUSETTS RIGHT TO KNOW COMPONENTS: No components are subject to the Massachusetts Right to Know Act. NEW JERSEY RIGHT TO KNOW COMPONENTS: Gadolinium (III) chloride hydrate PENNSYLVANIA RIGHT TO KNOW COMPONENTS: Gadolinium (III) chloride hydrate

SECTION 16 OTHER INFORMATION

DISCLAIMER: The information herein is believed to be accurate and reliable as of the date compiled. However, Prochem, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information in this document or any use of the product based on the information. DATE PREVIOUSLY PREPARED: 01/15 DATE REVISED - 09/26 REVISED SUMMARY: Updated section 2. All other details within this document about this product remained unchanged. EHS:09/03/2026 EHS/SDS DEPT.

GADOLINIUM (III) CHLORIDE HYDRATE PAGE 4