# Thulium \(III\) Chloride Heptahydrate – ProChem SDS Text extracted from the original PDF. Tables, images, symbols and OCR may differ. Check the original PDF for safety information. - **Document title:** Thulium \(III\) Chloride Heptahydrate – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Thulium \(III\) Chloride Heptahydrate - **CAS number:** 13778\-39\-7 - **Product code / grade:** 3599 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** 06/15 - **Page count:** 4 - **Original filename:** prochem\-thuliumchloride\-3599\.pdf - **RESDS page:** https://resds\.com/document/thulium\-iii\-chloride\-heptahydrate\-prochem\-en\-da9293a8ed - **Original PDF:** https://resds\.com/pdf/thulium\-iii\-chloride\-heptahydrate\-prochem\-en\-da9293a8ed\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2021/06/3599\.ThuliumChlorideHeptahydrate\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Thulium \(III\) Chloride Heptahydrate\. Product number 3599; revision 06/15\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Thulium (III) Chloride Heptahydrate PRODUCT NUMBER: 3599 CAS NUMBER: 13778-39-7 SYNONYMS: Thulium trichloride heptahydrate MANUFACTURER: Prochem, Inc. PHONE: 815-398-1788 826 Roosevelt Road FAX: 815-398-1810 Rockford, IL 61109 TOLL FREE: 800-795-8788 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. P264 Wash skin thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/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 water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 Take off contaminated clothing and wash before reuse. HMIS CLASSIFICATION: Health: 1 Fire: 0 Reactivity Hazard: 0 NFPA RATING: Health: 1 Flammability: 0 Reactivity Hazard: 0 THULIUM CHLORIDE HEPTAHYDRATE PAGE 1 ``` ## Page 2 ```text SECTION 2 HAZARDS IDENTIFICATION (Cont.) EYE CONTACT: May cause irritation to the eyes. SKIN CONTACT: May cause irritation to the skin. INHALATION: May cause irritation to the respiratory tract. INGESTION: No information is available on the physiological effects of ingestion. SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: TmCl3 Ÿ 7H2O Molecular Weight: 401.40 CHEMICAL NAME CAS# % Thulium Chloride Heptahydrate 12056-07-4 100 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: Product is not flammable, AUTO IGNITION TEMPERATURE: Not available EXPLOSION LIMITS: Product does not present an explosion hazard. EXTINGUISHING MEDIUM: Use fire fighting measures that suit the surrounding fire. 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 gas and thulium chloride. SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Wear all appropriate equipment when using this material. Ensure adequate ventilation. Avoid dust formation. Avoid breathing dust. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Mix spills with vermiculite or sodium carbonate. Sweep up and place in suitable container for proper disposal. SECTION 7 HANDLING AND STORAGE PRECAUTIONS FOR SAFE HANDLING: Wear appropriate personal protective equipment. Ensure adequate ventilation. Avoid contact with skin and eyes. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. THULIUM CHLORIDE HEPTAHYDRATE PAGE 2 ``` ## Page 3 ```text 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. 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: Light green solid ODOR: None MOLECULAR WEIGHT: 401.40 BOILING POINT: No data available MELTING POINT: 824° C SPECIFIC GRAVITY: No data available VAPOR DENSITY: No data available SOLUBILITY: Very soluble SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: Moisture INCOMPATIBILITY: Strong oxidizing agents, strong acids, and strong bases. DECOMPOSITION PRODUCTS: Hydrogen chloride gas and thulium chloride. SECTION 11 TOXICOLOGICAL DATA ACUTE TOXICITY: Not available CARCINOGENIC EFFECTS: No component of this product present at levels greater than or equal to 0.1% is considered to be a human carcinogen. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available CHRONIC TOXICITY: Not available RTECS: No data To the best of our knowledge the toxicological effects of this compound have not been fully investigated. SECTION 12 ECOLOGICAL DATA No information available SECTION 13 DISPOSAL CONSIDERATIONS Dispose of in according to local, state, and federal regulations. SECTION 14 TRANSPORTATION DATA Not a dangerous good. THULIUM CHLORIDE HEPTAHYDRATE PAGE 3 ``` ## Page 4 ```text SECTION 15 REGULATORY INFORMATION TSCA: Not listed in the TSCA Inventory SARA (TITLE 313): Not listed SARA 311/312: Acute Health Hazard MASSACHUSETTS RIGHT TO KNOW: Not listed PENNSLVANIA RIGHT TO KNOW: Thulium (III) Chloride Heptahydrate NEW JERSEY RIGHT TO KNOW: Thulium (III) Chloride Heptahydrate CALIFORNIA PROP. 65: Not Listed 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 PREPARED: 06/15 SDS DEPT. THULIUM CHLORIDE HEPTAHYDRATE PAGE 4 ```