|CAS #: 7440-39-3|
| UN #: 1400
|EC Number: 231-149-1
|ACUTE HAZARDS||PREVENTION||FIRE FIGHTING|
|FIRE & EXPLOSION||Flammable. Many reactions may cause fire or explosion. Finely dispersed particles form explosive mixtures in air.||NO open flames, NO sparks and NO smoking. NO contact with water. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust.||Use special powder, dry sand. NO water.|
|PREVENT DISPERSION OF DUST! STRICT HYGIENE!|
|Inhalation||Cough. Sore throat.||Use local exhaust or breathing protection.||Fresh air, rest. Refer for medical attention.|
|Skin||Redness.||Protective gloves.||Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .|
|Eyes||Redness. Pain.||Wear safety goggles.||First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.|
|Ingestion||Do not eat, drink, or smoke during work.||Rinse mouth. Refer for medical attention .|
|SPILLAGE DISPOSAL||CLASSIFICATION & LABELLING|
|Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT wash away into sewer. Sweep spilled substance into covered sealable containers. Carefully collect remainder. Then store and dispose of according to local regulations.||
According to UN GHS Criteria
|Separated from halogenated solvents, strong oxidants and acids. Dry. Keep under inert gas, oil or oxygen-free liquid.|
|PHYSICAL & CHEMICAL INFORMATION|
Physical State; Appearance
|EXPOSURE & HEALTH EFFECTS|
Routes of exposure
Effects of short-term exposure
Effects of long-term or repeated exposure
|OCCUPATIONAL EXPOSURE LIMITS|
TLV: 0.5 mg/m3, as TWA; A4 (not classifiable as a human carcinogen).
MAK: (as Ba, inhalable fraction): 0.5 mg/m3; peak limitation category: II(8); pregnancy risk group: D.
EU-OEL: (as Ba): 0.5 mg/m3 as TWA
|Reacts violently with fire extinguishing agents such as water, bicarbonate, powder, foam, and carbon dioxide.
Rinse contaminated clothing with plenty of water because of fire hazard.
|All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.|
See Also: Toxicological Abbreviations Barium (EHC 107, 1990) Barium (HSG 46, 1991)