|PHYSICAL STATE; APPEARANCE: |
BLUISH-WHITE OR SILVERY-GREY SOLID IN VARIOUS FORMS. TURNS TARNISHED ON EXPOSURE TO AIR.
Dust explosion possible if in powder or granular form, mixed with air.
On heating, toxic fumes are formed. Reacts with oxidants. Reacts with hot concentrated nitric acid, boiling concentrated hydrochloric acid and sulfuric acid. Attacked by pure water and by weak organic acids in the presence of oxygen.
OCCUPATIONAL EXPOSURE LIMITS:
TLV: 0.05 mg/m3 as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans); BEI issued; (ACGIH 2004).
Carcinogen category: 2; Germ cell mutagen group: 3A;
EU OEL: as TWA 0.15 mg/m3; (EU 2002).
OSHA PEL*: 1910.1025 TWA 0.050 mg/m3 See Appendix C *Note: The PEL also applies to other lead compounds (as Pb) -- See Appendix C .
NIOSH REL*: TWA 0.050 mg/m3 See Appendix C *Note: The REL also applies to other lead compounds (as Pb) -- See Appendix C .
NIOSH IDLH: 100 mg/m3 (as Pb) See: 7439921
|ROUTES OF EXPOSURE: |
The substance can be absorbed into the body by inhalation and by ingestion.
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
EFFECTS OF SHORT-TERM EXPOSURE:
EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the blood , bone marrow , central nervous system , peripheral nervous system and kidneys , resulting in anaemia, encephalopathy (e.g., convulsions), peripheral nerve disease, abdominal cramps and kidney impairment. Causes toxicity to human reproduction or development. This substance is probably carcinogenic to humans. fast track change Oct 06 - IARC 2A.