*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : KI1425000
CHEMICAL NAME : Ethane, 2,2-difluoro-1,1,1,2-tetrachloro-
CAS REGISTRY NUMBER : 76-11-9
BEILSTEIN REFERENCE NO. : 1699461
REFERENCE : 4-01-00-00146 (Beilstein Handbook Reference)
LAST UPDATED : 199712
DATA ITEMS CITED : 26
MOLECULAR FORMULA : C2-Cl4-F2
MOLECULAR WEIGHT : 203.82
WISWESSER LINE NOTATION : GXGGXGFF
SYNONYMS/TRADE NAMES :
* CFC 112a
* 1,1-Difluoroperchloroethane
* 1,1-Difluoro-1,2,2,2-tetrachloroethane
* F 112a
* Halocarbon 112a
* R 112a
* Refrigerant 112a
* 1,1,1,2-Tetrachloro-2,2-difluoroethane
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NATUAS Nature. (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736)
V.1- 1869- Volume(issue)/page/year: 210,744,1966
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 20000 ppm/30M
TOXIC EFFECTS :
Behavioral - general anesthetic
Behavioral - somnolence (general depressed activity)
Liver - other changes
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
19,1,1971
*** REVIEWS ***
ACGIH TLV-TWA 4170 mg/m3 (500 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 (4170 mg/m3)
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:
3,249,1971
OSHA PEL (Gen Indu):8H TWA 500 ppm (4170 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994
OSHA PEL (Construc):8H TWA 500 ppm (4170 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994
OSHA PEL (Shipyard):8H TWA 500 ppm (4170 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993
OSHA PEL (Fed Cont):8H TWA 500 ppm (4170 mg/m3)
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
41,50-204.50,1994
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-AUSTRALIA:TWA 500 ppm (4170 mg/m3) JAN 1993
OEL-BELGIUM:TWA 500 ppm (4170 mg/m3) JAN 1993
OEL-DENMARK:TWA 500 ppm (4170 mg/m3) JAN 1993
OEL-FINLAND:TWA 500 ppm (4170 mg/m3);STEL 625 ppm (5215 mg/m3) JAN 1993
OEL-FRANCE:TWA 500 ppm (4170 mg/m3) JAN 1993
OEL-GERMANY:TWA 1000 ppm (8340 mg/m3) JAN 1993
OEL-THE NETHERLANDS:TWA 500 ppm (4170 mg/m3) JAN 1993
OEL-THE PHILIPPINES:TWA 500 ppm (4170 mg/m3) JAN 1993
OEL-SWITZERLAND:TWA 500 ppm (4200 mg/m3) JAN 1993
OEL-UNITED KINGDOM:TWA 100 ppm (834 mg/m3);STEL 100 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 1,1,1,2-TETRACHLORO-2,2-DIFLUOROETHANE-air:TWA 500 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
*** 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
NIOSH Analytical Method, 1994: 1,1,1,2-Tetrachloro-2,2-difluoroethane, 1016
NIOSH Analytical Method, 1996: 1,1,2,2-Tetrachloro-1,2-difluoroethane, 1016
*** END OF RECORD ***
|