Document ID (ISN) | 49474 |
CIS number |
88-412 |
ISBN(s) |
0-660-12625-7; 0-660-92197-9 |
Year |
1987 |
Convention or series no. |
CCOHS/CCHST Data Sheet No.27
|
Title |
Silicas, non-crystalline |
Original title |
Silices non cristallines [in French] |
Bibliographic information |
Canadian Centre for Occupational Health and Safety, 250 Main St. East, Hamilton, Ontario L8N 1H6, Canada, 1987. 10p. 21 ref. |
Abstract |
Chemical safety information sheet. Covers: diatomaceous earth, silica gel, precipitated, fused and fumed silica. Toxicity: lung scarring after long-term exposure (fibrosis). Exposure limits (ACGIH, 1986-1987): diatomaceous earth (uncalcined), precipitated silica and silica gel containing <1% quartz, TLV = 10mg/m3 (total dust); fused silica, TLV = 0.1mg/m3 as respirable dust; for calcined diatomaceous earth the individual exposure limits for crystalline silicas (quartz, crystobalite, tridymite) should be used. |
Descriptors (primary) |
silica gel; diatomaceous earth; silicates; Canada; silica; threshold limit values |
Descriptors (secondary) |
fire hazards; toxicology; explosion hazards; data sheet; first aid; personal protective equipment; health hazards; waste disposal |
Document type |
B - Chemical safety information sheets |
Subject(s) |
Toxic and dangerous substances
|
Broad subject area(s) |
|
Browse category(ies) |
Occupational exposure limits Silicon compounds Inorganic substances
|