f 142b
Names
[ CAS No. ]:
75-68-3
[ Name ]:
f 142b
[Synonym ]:
1-Chloro-1,1-difluoroethane
Ethane, chlorodifluoro-
Difluoromonochloroethane
f 142b
R 142b
MFCD00000779
Monochlorodifluoroethane
difluorochloroethane
F142b
HFA142b
1,1-Difluoro-1-chloroethane
HCFC 142b
cfc142b
FC 142b
FKW 142b
FKW142b
chloro-1,1-difluoroethane
EINECS 200-891-8
chlorodifluoroethane
a-Chloroethylidene Fluoride
Ethane, 1-chloro-1,1-difluoro-
HFA 142b
Daiflon 142b
α-Chloroethylidene fluoride
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
-9.3±8.0 °C at 760 mmHg
[ Melting Point ]:
−131 °C(lit.)
[ Molecular Formula ]:
C2H3ClF2
[ Molecular Weight ]:
100.495
[ Flash Point ]:
-64.4±11.9 °C
[ Exact Mass ]:
99.989136
[ LogP ]:
1.33
[ Vapour density ]:
3.49 (vs air)
[ Vapour Pressure ]:
2473.6±0.0 mmHg at 25°C
[ Index of Refraction ]:
1.316
[ Stability ]:
Stable. Highly flammable. Incompatible with strong oxidizing agents, metals - use brass regulators, steel cylinders for storage.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- KH7650000
- CHEMICAL NAME :
- Ethane, 1-chloro-1,1-difluoro-
- CAS REGISTRY NUMBER :
- 75-68-3
- BEILSTEIN REFERENCE NO. :
- 1731584
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 14
- MOLECULAR FORMULA :
- C2-H3-Cl-F2
- MOLECULAR WEIGHT :
- 100.50
- WISWESSER LINE NOTATION :
- GXFF
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
- 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
- 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
- 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
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- 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)
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)
Safety Information
[ Hazard Codes ]:
F+:Highlyflammable;N:Dangerousfortheenvironment;
[ Risk Phrases ]:
R12;R59
[ Safety Phrases ]:
S38-S59
[ RIDADR ]:
UN 2517 2.1
[ WGK Germany ]:
1
[ RTECS ]:
KH7650000
[ Hazard Class ]:
2.1