# Samarium \(III\) Oxide – ProChem SDS Text extracted from the original PDF. Tables, images, symbols and OCR may differ. Check the original PDF for safety information. - **Document title:** Samarium \(III\) Oxide – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Samarium \(III\) Oxide - **CAS number:** 12060\-58\-1 - **Product code / grade:** 3097 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** 08/25 - **Page count:** 3 - **Original filename:** prochem\-samariumoxide\-3097\.pdf - **RESDS page:** https://resds\.com/document/samarium\-iii\-oxide\-prochem\-en\-597c4b8d2b - **Original PDF:** https://resds\.com/pdf/samarium\-iii\-oxide\-prochem\-en\-597c4b8d2b\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2021/06/3097\.SamariumOxide\-1\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Samarium \(III\) Oxide\. Product number 3097; revision 08/25\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Samarium (III) Oxide PRODUCT NO: 3097 CAS NO: 12060-58-1 SYNONYMS: Samarium sesquioxide 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 Not a dangerous substance according to the GHS HMIS CLASSIFICATION: Health: 0 Flammability: 0 Reactivity: 0 NFPA RATING: Health: 0 Fire: 0 Reactivity Hazard: 0 EYE CONTACT: May cause eye irritation. SKIN CONTACT: May cause skin irritation. INHALATION: May cause respiratory tract irritation. INGESTION: May be harmful if swallowed. SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: Sm2O3 Molecular Weight: 348.72 CHEMICAL NAME CAS# % ACGIH (TWA) OSHA (PEL) Samarium oxide 12060-58-1 100 No data No data SAMARIUM (III) OXIDE PAGE 1 ``` ## Page 2 ```text SECTION 4 FIRST AID MEASURES EYE EXPOSURE: Rinse opened eye for several minutes under running water. Consult a physician. SKIN EXPOSURE: Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice. INHALATION: Supply fresh air. If required, provide artificial respiration. Keep patient warm. Immediately seek medical advice. INGESTION: Do NOT induce vomiting. Loosen tight clothing such as a collar, tie, belt, or waistband. If victim is not breathing, perform mouth-to-mouth resuscitation. Immediately seek medical attention. SECTION 5 FIREFIGHTING MEASURES FLASH POINT: Product is not flammable. AUTO IGNITION TEMPERATURE: Not applicable EXPLOSION LIMITS: Not applicable EXTINGUISHING MEDIUM: Use fire fighting measures that suit the surrounding fire. SPECIAL FIRE FIGHTING PROCEDURES: If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: None SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Wear approved personal protective equipment. Avoid breathing dust, vapors, mist, or gas. Ensure adequate ventilation. ENVIRONMENTAL PRECAUTIONS: Do not let product enter drains or allow to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Use shovel to put material in the proper container for disposal. Finish cleaning by spreading water on the contaminated surface. SECTION 7 HANDLING AND STORAGE PRECAUTIONS FOR SAFE HANDLING: Wear personal protective equipment. Keep container tightly sealed. Do not breathe dust. Ensure adequate ventilation. CONDITIONS FOR SAFE STORAGE: Keep container tightly closed and store in a cool, dry, and well-ventilated area. SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION EYE PROTECTION: Always wear approved safety glasses with side shields, safety goggles, or face shield when handling a chemicals substance in the laboratory. SKIN PROTECTION: Chemical resistant gloves. VENTILATION: If possible, handle the material in an efficient fume hood. RESPIRATOR: If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 19-10.134. SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES COLOR AND FORM: Yellow to beige powder MELTING POINT: 2335°C BOILING POINT: No data available MOLECULAR WEIGHT: 348.72 ODOR: No data available SPECIFIC GRAVITY: 8.347 VAPOR PRESSURE: Not applicable SOLUBILITY IN WATER: Insoluble SAMARIUM (III) OXIDE PAGE 2 ``` ## Page 3 ```text SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable HAZARDOUS POLYMERIZATION: No hazardous polymerization CONDITIONS TO AVOID: None INCOMPATIBILITY: Strong oxidizing agents and carbon dioxide DECOMPOSITION PRODUCTS: None SECTION 11 TOXICOLOGICAL DATA ACUTE TOXICITY: Acute oral toxicity (LD50): 5000 mg/kg (Rat). CARCINOGENIC EFFECTS: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen. MUTAGENIC EFFECTS: No data TETRATOGENIC EFFECTS: 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 Non-hazardous material SECTION 15 REGULATORY INFORMATION TSCA: Listed in the TSCA Inventory SARA 302 COMPONENTS: No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302. SARA (TITLE 313): This material does not contain any chemical components with known CAS numbers that exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313. SARA 311/312 HAZARDS: No SARA Hazards MASSACHUSETTS RIGHT TO KNOW COMPONENETS: No components are subject to the Massachusetts Right to Know Act. PENNSYLVANIA RIGHT TO KNOW COMPONENTS: Samarium (III) oxide NEW JERSEY RIGHT TO KNOW COMPONENTS: Samarium (III) oxide CALIFORNIA PROP. 65 COMPONENTS: This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm. 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 REVISED: 08/25 SDS DEPT. SAMARIUM (III) OXIDE PAGE 3 ```