HAFNIUM POWDER
ICSC: 0847 |
Hf (powder) ICSC # 0847 | CAS # 7440-58-6 RTECS # MG4600000 UN # 2545 (powder, dry); 1326 (powder, wetted with water) October 26, 1995 Validated |
TYPES OF HAZARD/ EXPOSURE | ACUTE HAZARDS/ SYMPTOMS | PREVENTION | FIRST AID/ |
FIRE | Flammable. | NO open flames, NO sparks, and NO smoking. | Special powder. |
EXPLOSION | Finely dispersed particles form explosive mixtures in air. Risk of fire and explosion (see Chemical Dangers). | Do NOT expose to friction or shock. Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting. | |
EXPOSURE | PREVENT DISPERSION OF DUST! | ||
INHALATION | Avoid inhalation of fine dust and mist. Local exhaust or breathing protection. | ||
SKIN | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. | |
EYES | Redness. | Safety spectacles. | |
INGESTION | Do not eat, drink, or smoke during work. Wash hands before eating. |
SPILLAGE DISPOSAL | STORAGE | PACKAGING & LABELLING | ||
Evacuate danger area! Consult an expert! Remove all ignition sources. Do NOT wash away into sewer. Do NOT absorb in saw-dust or other combustible absorbents. Wet powder to prevent dusting and ignition, then carefully collect powder into sealable containers. Remove to a safe place. (Extra personal protection: P2 filter respirator for harmful particles). | Fireproof. Separated from strong oxidants, strong bases, halogens, phosphorous and sulfur. Keep under water. | UN Hazard Class: 4.2 (dry); 4.1 (wetted) | ||
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HAFNIUM POWDER | ICSC: 0847 |
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PHYSICAL |
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ENVIRONMENTAL | ||||
N O T E S | ||||
Powder is normally handled wetted with no less than 25% of water to reduce the fire and explosion risk. Health effects of exposure to the substance have not been investigated adequately. Rinse contaminated clothes (fire hazard) with plenty of water.
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ADDITIONAL INFORMATION | |||||
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IMPORTANT LEGAL NOTICE: | Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values. |
- Page last reviewed: July 22, 2015
- Page last updated: July 1, 2014
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