# Holmium 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:** Holmium Oxide – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Holmium Oxide - **CAS number:** 12055\-62\-8 - **Product code / grade:** 1991 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** 04/14 - **Page count:** 3 - **Original filename:** prochem\-holmiumoxide\-1991\.pdf - **RESDS page:** https://resds\.com/document/holmium\-oxide\-prochem\-en\-c2e3ba053f - **Original PDF:** https://resds\.com/pdf/holmium\-oxide\-prochem\-en\-c2e3ba053f\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2021/06/1991\.HolmiumOxide\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Holmium Oxide\. Product number 1991; revision 04/14\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Holmium Oxide PRODUCT NO: 1991 CAS NO: 12055-62-8 SYNONYMS: Holmia 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. May be harmful if absorbed through skin. INHALATION: May cause respiratory tract irritation. INGESTION: May be harmful if swallowed. SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: Ho2O3 Molecular Weight: 377.85 CHEMICAL NAME CAS# % ACGIH (TWA) OSHA (PEL) Holmium Oxide 12055-62-8 100 No data No data SECTION 4 FIRST AID MEASURES EYE EXPOSURE: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention. HOLMIUM OXIDE PAGE 1 ``` ## Page 2 ```text SECTION 4 FIRST AID MEASURES (Cont.) SKIN EXPOSURE: In case of skin contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention. INHALATION: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. INGESTION: Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband. SECTION 5 FIREFIGHTING MEASURES FLASH POINT: Not flammable or combustible. AUTO IGNITION TEMPERATURE: Not applicable EXPLOSION LIMITS: Not applicable EXTINGUISHING MEDIUM: Use fire fighting measures that suit the surrounding fire. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained breathing apparatus for fire fighting if necessary. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: No data available SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Wear personal protective equipment. Avoid dust formation. 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 appropriate tools to put spilled product in proper container for disposal. SECTION 7 HANDLING AND STORAGE PRECAUTIONS FOR SAFE HANDLING: Do not breathe dust. Wear suitable protective clothing. Avoid contact with skin and eyes. Keep away from incompatible oxidizers. CONDITIONS FOR SAFE STORAGE: Keep container tightly closed and store in a cool and well-ventilated place. 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: Orange solid MELTING POINT: 2330° C BOILING POINT: 3900° C MOLECULAR WEIGHT: 377.85 ODOR: Odorless SPECIFIC GRAVITY: 8.41 gm/ml VAPOR PRESSURE: Not applicable SOLUBILITY IN WATER: No data available HOLMIUM OXIDE PAGE 2 ``` ## Page 3 ```text SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: Moisture and air INCOMPATIBILITY: Strong oxidizing agents and strong acids DECOMPOSITION PRODUCTS: None SECTION 11 TOXICOLOGICAL DATA CARCINOGENIC EFFECTS: No components 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. MASSACHUSETTS RIGHT TO KNOW COMPONENETS: No components are subject to the Massachusetts Right to Know Act. PENNSYLVANIA RIGHT TO KNOW COMPONENTS: Holmium (III) oxide NEW JERSEY RIGHT TO KNOW COMPONENTS: Holmium (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 PREPARED: 04/14 SDS DEPT. HOLMIUM OXIDE PAGE 3 ```