f 142b

Modify Date: 2026-06-30 15:34:55

f 142b Structure
f 142b structure
 Common Name f 142b
CAS Number 75-68-3 Molecular Weight 100.495
Density 1.2±0.1 g/cm3 Boiling Point -9.3±8.0 °C at 760 mmHg
Molecular Formula C2H3ClF2 Melting Point −131 °C(lit.)
MSDS N/A Flash Point -64.4±11.9 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1-Chloro-1,1-difluoroethane
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey BHNZEZWIUMJCGF-UHFFFAOYSA-N
SMILES CC(F)(F)Cl
Stability Stable. Highly flammable. Incompatible with strong oxidizing agents, metals - use brass regulators, steel cylinders for storage.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1-Chloro-1,1-difluoroethane
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
HFA 142b
Daiflon 142b
α-Chloroethylidene fluoride

 f 142b | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 1-Chloro-1,1-difluoroethane?
A: Related downstream products(CAS) of 1-Chloro-1,1-difluoroethane: 354-21-2;76-11-9;1649-08-7;75-38-7;420-46-2;811-95-0;79-01-6;354-14-3;76-01-7;2317-91-1.
Q: What is the safety information for 1-Chloro-1,1-difluoroethane?
A: Safety information for 1-Chloro-1,1-difluoroethane: S38-S59.
Q: What is the molecular weight of 1-Chloro-1,1-difluoroethane?
A: Molecular weight of 1-Chloro-1,1-difluoroethane is 100.495.
Q: What is the molecular formula of 1-Chloro-1,1-difluoroethane?
A: Molecular formula of 1-Chloro-1,1-difluoroethane is C2H3ClF2.
Q: What is the SMILES notation of 1-Chloro-1,1-difluoroethane?
A: SMILES notation of 1-Chloro-1,1-difluoroethane is CC(F)(F)Cl.
Q: What is the boiling point of 1-Chloro-1,1-difluoroethane?
A: Boiling point of 1-Chloro-1,1-difluoroethane is -9.3±8.0 °C at 760 mmHg.
Q: What is the InChIKey of 1-Chloro-1,1-difluoroethane?
A: InChIKey of 1-Chloro-1,1-difluoroethane is BHNZEZWIUMJCGF-UHFFFAOYSA-N.
Q: What is the LogP of 1-Chloro-1,1-difluoroethane?
A: LogP of 1-Chloro-1,1-difluoroethane is 1.33.
Q: What are the upstream materials of 1-Chloro-1,1-difluoroethane?
A: Related upstream materials(CAS) of 1-Chloro-1,1-difluoroethane: 75-35-4;71-55-6;75-37-6;75-38-7;3518-66-9;594-72-9;1717-00-6;2317-91-1;2834-23-3;74-88-4.
Q: What is the melting point of 1-Chloro-1,1-difluoroethane?
A: Melting point of 1-Chloro-1,1-difluoroethane is −131 °C(lit.).

 f 142bfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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