|PHYSICAL STATE; APPEARANCE: |
HYGROSCOPIC, FINE, WHITE POWDER.
Reacts violently with halogens and strong acids.
OCCUPATIONAL EXPOSURE LIMITS:
TLV: 10 mg/m3
A4 (not classifiable as a human carcinogen); (ACGIH 2006).
MAK: 1.5 mg/m3 (Respirable fraction); 4 mg/m3 (Inhalable fraction).
As magnesium oxide fume :
IIb (not established but data is available) (DFG 2006).
OSHA PEL†: TWA 15 mg/m3
NIOSH REL: See Appendix D
NIOSH IDLH: 750 mg/m3 See: 1309484
|ROUTES OF EXPOSURE: |
The substance can be absorbed into the body by inhalation of its aerosol or fume and by ingestion.
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed.
EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates the eyes and the nose. Inhalation of fume may cause metal fever.
EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
|Headache, cough, sweating, nausea and fever may be caused by exposure to freshly formed fumes. The symptoms of metal fume fever do not become manifest until 4-12 hours after exposure. Magcal, Maglite, Magox, Akro-Mag, Animag, Granmag, Magchem 100, Marmag are trade names. |
|Card has been partially updated in July 2007: see Occupational Exposure Limits. |