Identification Chemical Properties Safety Data Hazard Information

12001-29-5

Name Chrysotile (Mg3H2(SiO4)2.H2O)
CAS 12001-29-5
Molecular Formula H4MG3/2O4SI.1/2H2O
Molecular Weight 277.112
MOL File 12001-29-5.mol

Chemical Properties

Appearance White or greenish (chrysotile), Blue (crocidolite), or gray-green (amosite) fibrous, odorless solids; freezing/ melting point5600 C (Decomposes). Hazard identification (based on NFPA-704 M Rating System): Health 2; flammability 0; reactivity 0. Insoluble in water. Asbestos is a generic term that applies to a number of naturally occurring, hydrated mineral silicates incombustible in air and separable into filaments. The most widely used in industry in the United States is chrysotile, a fibrous form of serpentine. Other types include amosite, crocidolite, tremolite, anthophyllite, and actinolite.
Melting point  800-850 °C
density  2.2-2.6 g/cm3
color  Silky white to green to brownish fibers
IARC 1 (Vol. 14, Sup 7, 100C) 2012
EPA Substance Registry System Chrysotile (12001-29-5)

Safety Data

Symbol(GHS) 
GHS08
Signal word  Danger
Hazard statements  H350-H372
Precautionary statements  P260-P264-P270-P314-P501
OEL TWA: 0.1 F/cm3
RIDADR  2590
HazardClass  9
PackingGroup  III
Safety Profile
Confirmed human carcinogen producing tumors of the lung. Human mutation data reported. Poison by intraperitoneal route. Human systemic effects by inhalation: lung fibrosis, dyspnea, and cough.
Hazardous Substances Data 12001-29-5(Hazardous Substances Data)
Toxicity
TCLo inhalation in human: 2.8fb/cc/5Y

Hazard Information