RTECS NUMBER : NQ8825000
CHEMICAL NAME : Isocyanic acid, ethyl ester
CAS REGISTRY NUMBER : 109-90-0
LAST UPDATED : 199710
DATA ITEMS CITED : 7
MOLECULAR FORMULA : C3-H5-N-O
MOLECULAR WEIGHT : 71.09
WISWESSER LINE NOTATION : OCN2
COMPOUND DESCRIPTOR : Mutagen
SYNONYMS/TRADE NAMES :
* Ethane, isocyanato-
* Isocyanatoethane
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 230 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0528345
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 240 mg/m3/6H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0528345
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010)
Volume(issue)/page/year: NX#02910
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 50 ug/plate
REFERENCE :
ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050,
Tokyo International, Tokyo 100-31, Japan) V.25- 1961-
Volume(issue)/page/year: 44,3017,1980