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MSDS  : Nitrous acid, sec-butyl ester
CAS  : 924-43-6
SYNONYMS  : * sec-Butyl nitrite * Nitrous acid, 1-methylpropyl ester
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : RA0800000
CHEMICAL NAME : Nitrous acid, sec-butyl ester
CAS REGISTRY NUMBER : 924-43-6
BEILSTEIN REFERENCE NO. : 1720638
REFERENCE : 4-01-00-01573 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 9
MOLECULAR FORMULA : C4-H9-N-O2
MOLECULAR WEIGHT : 103.14
WISWESSER LINE NOTATION : ONOY2&1
COMPOUND DESCRIPTOR : Mutagen
SYNONYMS/TRADE NAMES :
* sec-Butyl nitrite
* Nitrous acid, 1-methylpropyl ester

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 423 mg/kg
TOXIC EFFECTS :
Liver - other changes
Blood - methemoglobinemia-carboxyhemoglobin
REFERENCE :
RCSADO Research Communications in Substances Abuse. (PJD Pub. Ltd., P.O.Box
966, Westbury, NY 11590) V.1- 1980- Volume(issue)/page/year: 3,233,1982

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1753 ppm/1H
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
Lungs, Thorax, or Respiration - cyanosis
Kidney, Ureter, Bladder - urine volume increased
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
1,448,1981

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 496 mg/kg
TOXIC EFFECTS :
Liver - other changes
REFERENCE :
RCOCB8 Research Communications in Chemical Pathology and Pharmacology. (PJD
Pub. Ltd., P.O. Box 966, Westbury, NY 11590) V.1- 1970-
Volume(issue)/page/year: 26,75,1979

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 500 ppm/7H/60D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight
Endocrine - changes in spleen weight
Related to Chronic Data - death
REFERENCE :
JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins
Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981-
Volume(issue)/page/year: 5,134,1985

** MUTATION DATA **

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 1 mg/plate
REFERENCE :
BSIBAC Bolletino della Societe Italiana di Biologia Sperimentale. (Casa
Editrice Idelson, Via A. de Gasperi, 55, 80133 Naples, Italy) V.2- 1927-
Volume(issue)/page/year: 56,816,1980

TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 846 umol/L
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E.
11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year:
14,115,1989

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY

EPA TSCA Section 8(d) unpublished health/safety studies

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998


*** END OF RECORD ***
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