# Dysprosium 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:** Dysprosium oxide – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Dysprosium oxide - **CAS number:** 1308\-87\-8 - **Product code / grade:** 1660 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** 03/14 - **Page count:** 3 - **Original filename:** prochem\-dysprosiumoxide\-1660\.pdf - **RESDS page:** https://resds\.com/document/dysprosium\-oxide\-prochem\-en\-33ceab6e3f - **Original PDF:** https://resds\.com/pdf/dysprosium\-oxide\-prochem\-en\-33ceab6e3f\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2021/06/1660\.DysprosiumOxide\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Dysprosium oxide\. Product number 1660; revision 03/14\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Dysprosium oxide PRODUCT NO: 1660 CAS NO: 1308-87-8 SYNONYMS: Dysprosium (III) oxide, Didysprosium trioxide 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 mild to moderate irritation of the eyes. SKIN CONTACT: May cause slight to mild irritation of the skin. INHALATION: May be irritating to the nose, mucous membranes and respiratory tract. INGESTION: No information available on the effects of ingestion. SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: Dy2O3 Molecular Weight: 372.99 CHEMICAL NAME CAS# % ACGIH (TWA) OSHA (PEL) Dysprosium oxide 1308-87-8 100 No data No data 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. DYSPROSIUM OXIDE PAGE 1 ``` ## Page 2 ```text SECTION 4 FIRST AID MEASURES (Cont.) SKIN EXPOSURE: Wash affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. INHALATION: Remove the victim to fresh air. 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: Rinse mouth with water. 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: Material is non-flammable AUTO IGNITION TEMPERATURE: None EXPLOSION LIMITS: None EXTINGUISHING MEDIUM: Use fire-fighting measures that suit the surrounding fire. SPECIAL FIRE FIGHTING PROCEDURES: No special fire fighting procedures. The material is non-flammable. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: No hazardous decomposition products. UNUSUAL FIRE OR EXPLOSION HAZARDS: No unusual fire or explosion hazards. SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Avoid dust formation. Avoid breathing vapors, mist, or gas. ENVIRONMENTAL PRECAUTIONS: Do not let product enter drains. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Small spills can be mixed with vermiculite or sodium carbonate and swept up. SECTION 7 HANDLING AND STORAGE PRECAUTIONS FOR SAFE HANDLING: Keep container tightly sealed. Use appropriate exhaust ventilation. CONDITIONS FOR SAFE STORAGE: Keep container tightly closed and store in a dry and well-ventilated place. Hygroscopic. Moisture sensitive. 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 chemical 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: White powder MELTING POINT: 2480° C BOILING POINT: No data available MOLECULAR WEIGHT: 372.99 ODOR: None SPECIFIC GRAVITY: 7.81 gm/ml VAPOR PRESSURE: Not applicable SOLUBILITY IN WATER: Insoluble SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable DYSPROSIUM OXIDE PAGE 2 ``` ## Page 3 ```text SECTION 10 STABILITY AND REACTIVITY (Cont.) HAZARDOUS POLYMERIZATION: No hazardous polymerization CONDITIONS TO AVOID: Strong acids, strong oxidizing agents, and Carbon dioxide. INCOMPATIBILITY: Water, moisture, and oxidizing agents. DECOMPOSITION PRODUCTS: Metal oxides SECTION 11 TOXICOLOGICAL DATA ACUTE TOXICITY: LD50 Oral – rat - > 5,000 mg/kg 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 TERATOGENIC 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. MASSACHUSETTS RIGHT TO KNOW COMPONENETS: No components are subject to the Massachusetts Right to Know Act. PENNSYLVANIA RIGHT TO KNOW COMPONENTS: Didysprosium trioxide NEW JERSEY RIGHT TO KNOW COMPONENTS: Didysprosium trioxide 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 PREPARED: 03/14 SDS DEPT. DYSPROSIUM OXIDE PAGE 3 ```