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MSDS  : Ethane, 1-chloro-1,1-difluoro-
CAS  : 75-68-3
SYNONYMS  : * CFC 142b * 1-Chloro-1,1-difluoroethane * Chloroethylidene fluoride * alpha-Chloroethylidene fluoride * 1,1-Difluoro-1-chloroethane * FC142b * Fluorocarbon FC142b * Freon 142 * Freon 142b * Genetron 101 * Genetron 142b * Gentron 142B * Hydrochlorofluorocarbon 142b * Isotron 142b * Monochlorodifluoroethane
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : KH7650000
CHEMICAL NAME : Ethane, 1-chloro-1,1-difluoro-
CAS REGISTRY NUMBER : 75-68-3
BEILSTEIN REFERENCE NO. : 1731584
REFERENCE : 4-01-00-00127 (Beilstein Handbook Reference)
LAST UPDATED : 199712
DATA ITEMS CITED : 14
MOLECULAR FORMULA : C2-H3-Cl-F2
MOLECULAR WEIGHT : 100.50
WISWESSER LINE NOTATION : GXFF
COMPOUND DESCRIPTOR : Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* CFC 142b
* 1-Chloro-1,1-difluoroethane
* Chloroethylidene fluoride
* alpha-Chloroethylidene fluoride
* 1,1-Difluoro-1-chloroethane
* FC142b
* Fluorocarbon FC142b
* Freon 142
* Freon 142b
* Genetron 101
* Genetron 142b
* Gentron 142B
* Hydrochlorofluorocarbon 142b
* Isotron 142b
* Monochlorodifluoroethane

*** 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 : 2050 gm/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
GKNT, 1982 Volume(issue)/page/year: -,53,1982

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1758 gm/m3/2H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
GKNT, 1982 Volume(issue)/page/year: -,53,1982

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 500 gm/m3/4H/4W-I
TOXIC EFFECTS :
Endocrine - evidence of thyroid hypofunction
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
Toxicology of New Industrial Chemical Substances. For English translation,
see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961-
Volume(issue)/page/year: 9,175,1967

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 10 pph/16H/9D-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
Related to Chronic Data - death
REFERENCE :
AIHOAX Archives of Industrial Hygiene and Occupational Medicine. (Chicago,
IL) V.1-2(3), 1950. For publisher information, see AEHLAU.
Volume(issue)/page/year: 2(3),335,1950

** REPRODUCTIVE DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE : 1000 ppm/6H
SEX/DURATION : female 3-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
number of implants per female; total number of implants per corpora lutea)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0555347

** MUTATION DATA **

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 50 pph/24H
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,15,1984

*** OCCUPATIONAL EXPOSURE LIMITS ***

OEL-GERMANY:TWA 1000 ppm (4170 mg/m3) JAN 1993

OEL-HUNGARY:TWA 100 mg/m3;STEL 200 mg/m3 JAN 1993

OEL-RUSSIA:STEL 3000 mg/m3 JAN 1993

*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 82201
No. of Facilities: 11 (estimated)
No. of Industries: 1
No. of Occupations: 3
No. of Employees: 357 (estimated)

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

EPA TSCA Section 8(b) CHEMICAL INVENTORY

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

On EPA IRIS database

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


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
1,2-Ethanediamine,N-(2-chloroethyl)-N'-(7-chloro-2-methoxybenzo(b)-1,5-naphthyridin-10- yl)-, dihydrochloride 38915-24-1
1,2-Ethanediamine,N-(2-chloroethyl)-N'-(7-chloro-2-methoxybenzo(b)-1,5-naphthyridin-10-yl)- N-ethyl-, dihydrochloride,hydrate 38915-27-4
1,2-Ethanediamine,N-(2-chloroethyl)-N,N'-dimethyl-N'-(1,2,3,4-tetrahydro-9-acridinyl)-, dihydrochloride 38915-05-8
1,2-Ethanediamine,N-(2-chloroethyl)-N-ethyl-N'-(2-methoxy-9-acridinyl)-, dihydrochloride 38915-09-2
1,2-Ethanediamine,N-(2-chloroethyl)-N-ethyl-N'-(4-methoxy-9-acridinyl)-, dihydrochloride, hemihydrate 77846-93-6
1,2-Ethanediamine,N-(2-chloroethyl)-N'-(2-methoxy-9-acridinyl)-,dihydrochloride 38915-07-0
1,2-Ethanediamine,N-(2-chloroethyl)-N'-(4-methoxy-9-acridinyl)-,dihydrochloride 38915-11-6
1,2-Ethanediamine,N-(2-chloroethyl)-N-(6-methoxybenzo(b)(1,10)phenanthrolin-7-yl)-, dihydrochloride, hydrate (2:5) 39040-00-1
Ethane, chloro- 75-00-3
1,2-Ethanediamine,N-(2-chloroethyl)-N'-(6-methoxy-4-quinolinyl)-,dihydrochloride 38925-89-2
1,2-Ethanediamine,N-(2-chloroethyl)-N'-(7-(trifluoromethyl)-4-quinolinyl)-, dihydrochloride, hemihydrate 77862-55-6
1,2-Ethanediamine,N-((5-chloro-2-furanyl)methyl)-N',N'-dimethyl-N-2-pyridinyl-, (E)-2-butenedioate 77862-55-6
1,2-Ethanediamine,N-(6-chloro-2-methoxy-9-acridinyl)-N'-(2-chloroethyl)- 72667-34-6
1,2-Ethanediamine,N'-(6-chloro-2-methoxy-9-acridinyl)-N-(2-chloropropyl)-, dihydrochloride, hydrate 38915-20-7
1,2-Ethanediamine,N-(7-chloro-2-methoxybenzo(b)-1,5-naphthyridin-10-yl)-N'-(2- chloropropyl)-, dihydrochloride 38915-32-1
1,2-Ethanediamine,N'-(6-chloro-5-(methylthio)-2-(4-morpholinyl)-4-pyrimidinyl)-N,N-dimethyl- 55416-98-3
1,2-Ethanediamine,N-(5-chloro-2-nitrobenzo(b)thien-3-yl)-N',N'-diethyl- 149338-17-0
1,2-Ethanediamine,N-(5-chloro-2-nitrobenzo(b)thien-3-yl)-N',N'-dimethyl- 149338-15-8
1,2-Ethanediamine,N'-(6-chloro-2-phenyl-4H-1-benzopyran-4-ylidene)-N,N-dimethyl-, dihydrochloride 149338-15-8
Ethane, chlorodibromotrifluoro- 29256-79-9
1,2-Ethanediamine,N-(3-chlorophenyl)-N',N'-diethyl-N-(4-(1,1-dimethylethyl)phenyl)-, monohydrochloride 67610-53-1
1,2-Ethanediamine,N'-(3-(4-chlorophenyl)-3,4-dihydro-2-methyl-2H-pyrrol-5-yl)-N,N-diethyl- 50901-99-0
1,2-Ethanediamine,N'-(4-chloro-2-(phenylmethyl)phenyl)-N,N-diethyl-,monohydrochloride 42605-18-5
1,2-Ethanediamine,N-(2-chloropropyl)-N'-(2-methoxy-9-acridinyl)-,dihydrochloride, hemihydrate 77846-96-9
1,2-Ethanediamine,N'-(7-chloro-4-quinolinyl)-N,N-diethyl-, N-oxide 63937-21-3
1,2-Ethanediamine,N'-(4-cyclopentylphenyl)-N,N-diethyl-,dihydrochloride 85603-05-0
1,2-Ethanediamine,N',N'-diethyl-N-(2-(4-(2-(diethylamino)ethoxy)phenyl)-1-methylethyl)-N- methyl-, compd. with2,4,6-trinitrophenol (1:3) 126002-41-3
1,2-Ethanediamine,N,N-diethyl-N'-(5,11-dihydro(1)benzoxepino(3,4-b)pyridin-5-yl)-, hydrochloride, hydrate (1:3:1) 95968-62-0
1,2-Ethanediamine,N,N-diethyl-N'-(3,4-dihydro-8-methoxypyrazino(1,2-a)indol-1-yl)-, dihydrochloride 95968-62-0
1,2-Ethanediamine,N,N-diethyl-N'-(6,11-dihydro-11-phenyldibenzo(b,e)thiepin-11-yl)-, (Z)-2-butenedioate (1:1) 84964-47-6
Ethane, chlorodibromotrifluoro-, pyrolyzate 84964-47-6
1,2-Ethanediamine,N,N-diethyl-N'-(4,5-dimethoxy-2-nitrophenyl)- 53493-59-7
1,2-Ethanediamine,N,N-diethyl-N'-(5,6-dimethyl-9-methoxy-6H-pyrido(4,3-b)carbazol-1-yl)-, hemihydrate 83948-16-7
1,2-Ethanediamine,N,N-diethyl-N'-((2,6-dimethylphenyl)methylene)-,N'-oxide, monohydrochloride 13445-35-7
1,2-Ethanediamine, N(sup 1),N(sup 1)-diethyl-N(sup2)-(1,2-diphenylethyl)- 13445-35-7
1,2-Ethanediamine, N(sup 1),N(sup 1)-diethyl-N(sup2)-(1-(4-ethylphenyl)-2-phenylethyl)- 13445-35-7
1,2-Ethanediamine,N,N-diethyl-N'-(3-(4-fluorophenyl)-3,4-dihydro-2-methyl-2H-pyrrol-5-yl)- 50901-97-8
1,2-Ethanediamine,N,N-diethyl-N'-(2-(2-methyl-1,3-benzodioxol-2-yl)ethyl)- 52400-98-3
1,2-Ethanediamine,N,N-diethyl-N'-(2-methyldibenzo(b,e)thiepin-11(6H)-ylidene)-, dihydrochloride 73150-29-5
1,2-Ethanediamine, N(sup 1),N(sup 1)-diethyl-N(sup2)-(1-(4-methylphenyl)-2-phenylethyl)- 73150-29-5
1,2-Ethanediamine,N,N-diethyl-N'-(4-methyl-6-phenyl-3-pyridazinyl)-,ethanedioate (1:2) 118269-75-3
Ethane, 1-chloro-1,1-difluoro- 75-68-3
1,2-Ethanediamine,N,N-diethyl-N'-(2-methylpropyl)-N'-(1-naphthalenylmethyl)- 50341-73-6
1,2-Ethanediamine,N,N-diethyl-N'-(1-naphthalenylmethyl)- 50341-69-0
1,2-Ethanediamine,N,N-diethyl-N'-(1-naphthalenylmethyl)-N'-phenyl- 50341-74-7
1,2-Ethanediamine,N,N-diethyl-N'-(2-nitrobenzo(b)thien-3-yl)- 128554-83-6
1,2-Ethanediamine,N,N-diethyl-N'-(2-(2-(5-nitro-2-furanyl)ethenyl)-8-quinolinyl)- 54333-88-9
1,2-Ethanediamine,N,N-diethyl-N'-(2-(2-(5-nitro-2-furanyl)ethenyl)-4-quinolinyl)-, trihydrochloride 54333-87-8
1,2-Ethanediamine,N,N-diethyl-N'-(5-(3-nitrophenyl)-1,3,4-thiadiazol-2-yl)- 57709-29-2
1,2-Ethanediamine,N,N-diethyl-N'-(2-nitro-3-thienyl)-,monohydrochloride 122777-88-2

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