# Holmium, Powder – 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, Powder – ProChem SDS - **Publisher:** ProChem, Inc\. - **Material:** Holmium, Powder - **CAS number:** 7440\-60\-0 - **Product code / grade:** 1966 - **Document type:** SDS - **Original language:** English - **Region:** United States - **Revision date:** 04/15 - **Page count:** 4 - **Original filename:** prochem\-holmiumpowder40mesh\-1966\.pdf - **RESDS page:** https://resds\.com/document/holmium\-powder\-prochem\-en\-1db1c65ce6 - **Original PDF:** https://resds\.com/pdf/holmium\-powder\-prochem\-en\-1db1c65ce6\.pdf - **Source URL:** https://prochemonline\.com/wp\-content/uploads/2021/06/1966\.HolmiumPowder\.pdf - **Description:** Collected by RESDS\. Original publisher PDF retained\. Original ProChem SDS for Holmium, Powder\. Product number 1966; revision 04/15\. Publication authorized by the user on 2026\-09\-14\. ## Page 1 ```text SECTION 1 PRODUCT AND COMPANY INFORMATION PRODUCT NAME: Holmium, Powder PRODUCT NUMBER: 1966 CAS NUMBER: 7440-60-0 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 Danger Hazard Statements H228 Flammable solid. H260 In contact with water released flammable gases, which may ignite spontaneously. Precautionary Phrases P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking. P231+P232 Handle under inert gas. Protect from moisture. P280 Wear protective gloves/protective clothing/eye protection/face protection. P370+P378 In case of fire: Use for extinction: Special powder for metal fires. P402+P404 Store in a dry place. Store in a closed container. HMIS CLASSIFICATION: Health: 1 Fire: 3 Reactivity Hazard: 2 NFPA RATING: Health: 1 Flammability: 3 Reactivity Hazard: 2 EYE CONTACT: May cause slight to mild irritation of the eyes. SKIN CONTACT: May cause slight to mild irritation of the skin. INHALATION: Inhalation of any fine dust may be irritating to the nasal cavity, mucous membranes, and respiratory tract. INGESTION: No specific information is available on the physiological effects of ingestion. HOLMIUM POWDER PAGE 1 ``` ## Page 2 ```text SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS Formula: Ho Molecular Weight: 164.93 CHEMICAL NAME CAS# % Holmium Powder 7440-60-0 100 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: Not available EXTINGUISHING MEDIUM: Special powder for metal fires. Do not use water. SPECIAL FIRE FIGHTING PROCEDURES: Wear self-contained, approved breathing apparatus and full protective clothing, including eye protection and boots. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: Holmium oxide SECTION 6 ACCIDENTAL RELEASE MEASURES PERSONAL PRECAUTIONS: Wear all appropriate equipment when using this material. Ensure adequate ventilation. Avoid dust formation. Avoid breathing dust. Keep away from sources of ignition. ENVIRONMENTAL PRECAUTIONS: Prevent spillage from entering drains or allowing to be released into 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. Ensure adequate ventilation. Avoid contact with skin and eyes. CONDITIONS FOR SAFE STORAGE: Store in cool, dry, and well-ventilated area. Store away from water, air, moisture, oxidizing agents, and acid chlorides. Store under inert gas. Protect from humidity and water. SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION EXPOSURE CONTROLS: This product does not contain any quantities of materials with critical values that have to be monitored. 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. HOLMIUM POWDER PAGE 2 ``` ## Page 3 ```text SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES COLOR AND FORM: Grey to silver powder ODOR: None MOLECULAR WEIGHT: 164.93 BOILING POINT: 2695° C MELTING POINT: 1474° C SPECIFIC GRAVITY: 8.795 gm/ml VAPOR DENSITY: No data available SOLUBILITY: Insoluble SECTION 10 STABILITY AND REACTIVITY STABILITY: Stable HAZARDOUS POLYMERIZATION: Will not occur CONDITIONS TO AVOID: Contact with water releases flammable gas. INCOMPATIBILITY: Strong oxidizers, water, alcohols, oxygen, halogens, halocarbons, and mineral acids. DECOMPOSITION PRODUCTS: Acids, air, oxidizing agents, acid chlorides, water, and moisture. SECTION 11 TOXICOLOGICAL DATA ACUTE TOXICITY: Not available CARCINOGENIC EFFECTS: Not classified as 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 DOT: UN3089 IATA: UN3089 Metal powders, flammable, n.o.s. Metal powder, flammable, n.o.s. (Holmium powder) (Holmium powder) CLASS 4.1 CLASS 4.1 PG III PG III Marine Pollutant: No SECTION 15 REGULATORY INFORMATION TSCA: Listed SARA (TITLE 313): Not listed CALIFORNIA PROP. 65: Not Listed HOLMIUM POWDER PAGE 3 ``` ## Page 4 ```text 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: 04/15 SDS DEPT, HOLMIUM POWDER PAGE 4 ```