Fibers, refractory ceramic
SUBSTANCE DEFINITION :
A mixture of alumina and silica (1:1)
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides
and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW,
Washington, DC 20460) History unknown.
CAS  
:
89957-37-9
SYNONYMS  
:
* Refractory ceramic fibers
*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : LK3628000
CHEMICAL NAME : Fibers, refractory ceramic
SUBSTANCE DEFINITION :
A mixture of alumina and silica (1:1)
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides
and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW,
Washington, DC 20460) History unknown.
LAST UPDATED : 199506
DATA ITEMS CITED : 2
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* Refractory ceramic fibers
*** HEALTH HAZARD DATA ***
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 125 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Gastrointestinal - tumors
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides
and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW,
Washington, DC 20460) History unknown. Volume(issue)/page/year:
8EHQ-0485-0553
** MUTATION DATA **
TYPE OF TEST : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Insect - Drosophila melanogaster
DOSE/DURATION : 25 gm/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 324,23,1994
*** END OF RECORD ***
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