*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : EJ4200000
CHEMICAL NAME : Butane
CAS REGISTRY NUMBER : 106-97-8
LAST UPDATED : 199712
DATA ITEMS CITED : 26
MOLECULAR FORMULA : C4-H10
MOLECULAR WEIGHT : 58.14
WISWESSER LINE NOTATION : 4H
SYNONYMS/TRADE NAMES :
* Butane
* n-Butane
* Butanen
* Butani
* Diethyl
* Methylethylmethane
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 658 gm/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see
PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-
1939- Volume(issue)/page/year: 30,102,1967
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 680 gm/m3/2H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see
PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-
1939- Volume(issue)/page/year: 30,102,1967
*** REVIEWS ***
ACGIH TLV-TWA 1900 mg/m3 (800 ppm)
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
*** U.S. STANDARDS AND REGULATIONS ***
MSHA STANDARD-air:TWA 500 ppm (1200 mg/m3)
DTLWS* "Documentation of the Threshold Limit Values for Substances in
Workroom Air," Supplements. For publisher information, see 85INA8.
Volume(issue)/page/year: 3,12,1973
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 800 ppm (1900 mg/m3) JAN 1993
OEL-AUSTRIA:TWA 1000 ppm (2300 mg/m3) (all isomers) JAN 1993
OEL-BELGIUM:TWA 800 ppm (1900 mg/m3) JAN 1993
OEL-DENMARK:TWA 500 ppm (1200 mg/m3) JAN 1993
OEL-FINLAND:TWA 800 ppm (1900 mg/m3);STEL 1000 ppm (2350 mg/m3) JAN 1993
OEL-FRANCE:TWA 800 ppm (1900 mg/m3) JAN 1993
OEL-GERMANY:TWA 1000 ppm (2350 mg/m3) (all isomers) JAN 1993
OEL-HUNGARY:TWA 300 mg/m3;STEL 900 mg/m3 JAN 1993
OEL-INDIA:TWA 800 ppm (1900 mg/m3) JAN 1993
OEL-JAPAN:TWA 500 ppm (1200 mg/m3) JAN 1993
OEL-THE NETHERLANDS:TWA 600 ppm (1430 mg/m3) JAN 1993
OEL-RUSSIA:TWA 500 ppm;STEL 300 mg/m3 JAN 1993
OEL-SWITZERLAND:TWA 800 ppm (1900 mg/m3) (all isomers) JAN 1993
OEL-UNITED KINGDOM:TWA 600 ppm (1430 mg/m3);STEL 750 ppm JAN 1993
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO BUTANE-air:10H TWA 800 ppm
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 13480
No. of Facilities: 5871 (estimated)
No. of Industries: 55
No. of Occupations: 53
No. of Employees: 61958 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 13480
No. of Facilities: 69613 (estimated)
No. of Industries: 307
No. of Occupations: 200
No. of Employees: 988880 (estimated)
No. of Female Employees: 186786 (estimated)
*** 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 ***