1,1-difluoroethylene

Modify Date: 2026-07-19 17:26:46

1,1-difluoroethylene Structure
1,1-difluoroethylene structure
Common Name 1,1-difluoroethylene
CAS Number 75-38-7 Molecular Weight 64.03410
Density 0,617 g/cm3 Boiling Point −83 °C(lit.)
Molecular Formula C2H2F2 Melting Point −144 °C(lit.)
MSDS N/A Flash Point <-60ºC

 Names

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

Name 1,1-difluoroethylene
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 0,617 g/cm3
Boiling Point −83 °C(lit.)
Melting Point −144 °C(lit.)
Molecular Formula C2H2F2
Molecular Weight 64.03410
Flash Point <-60ºC
Exact Mass 64.01250
LogP 1.39660
Vapour density 2.2 (vs air)
Vapour Pressure 518 psi ( 21 °C)
Index of Refraction 1.264
InChIKey BQCIDUSAKPWEOX-UHFFFAOYSA-N
SMILES C=C(F)F

 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 :
KW0560000
CHEMICAL NAME :
Ethylene, 1,1-difluoro-
CAS REGISTRY NUMBER :
75-38-7
LAST UPDATED :
199710
DATA ITEMS CITED :
17
MOLECULAR FORMULA :
C2-H2-F2
MOLECULAR WEIGHT :
64.04

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
128000 ppm/4H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
800 ppb/4H
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 :
1500 ppm/6H/13W-I
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in erythrocyte (RBC) count
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
40000 ppm/6H/13W-I
TOXIC EFFECTS :
Behavioral - excitement Blood - pigmented or nucleated red blood cells Skin and Appendages - hair
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1930 mg/kg/52W-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Sense Organs and Special Senses (Ear) - effect, not otherwise specified Skin and Appendages - tumors

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 41,249,1979 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 39,227,1986 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 39,227,1986 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO VINYLIDENE FLUORIDE-air:use 29 CFR 1910.1017 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 - 80234 No. of Facilities: 41 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 1467 (estimated)

 Safety Information

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

Hazard Codes F+,F
Risk Phrases R12
Safety Phrases S16-S7/9
RIDADR UN 1959 2.1
WGK Germany 3
RTECS KW0560000
Hazard Class 2.1

 1,1-difluoroethyleneBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Partition coefficient (logP)
Source: ChEMBL
Target: N/A
External Id: CHEMBL633738
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: Carcinogenesis bioassays from the Carcinogenic Potency Database (CPDB)
Source: 25294
Target: N/A
External Id: cpdb
Total 4, Current Page 1 of 1
1

 Synonyms

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

EINECS 200-867-7
halocarbon1132a
difluoroethylene
CH2=CF2
R1132A
vinylidene difluoride
MFCD00000448
Genetron 1132a
2,2-difluoroethylene
FC-1132A
VDF
HFC1132a
vinylidene fluoride
1,1-difluoroethene

 1,1-difluoroethylene | FAQ

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

Q: What is the InChIKey of 1,1-difluoroethylene?
A: InChIKey of 1,1-difluoroethylene is BQCIDUSAKPWEOX-UHFFFAOYSA-N.
Q: What is the safety information for 1,1-difluoroethylene?
A: Safety information for 1,1-difluoroethylene: S16-S7/9.
Q: What is the molecular formula of 1,1-difluoroethylene?
A: Molecular formula of 1,1-difluoroethylene is C2H2F2.
Q: What is the boiling point of 1,1-difluoroethylene?
A: Boiling point of 1,1-difluoroethylene is −83 °C(lit.).
Q: What is the SMILES notation of 1,1-difluoroethylene?
A: SMILES notation of 1,1-difluoroethylene is C=C(F)F.
Q: What is the CAS number of 1,1-difluoroethylene?
A: CAS number of 1,1-difluoroethylene is 75-38-7.
Q: What English synonyms does 1,1-difluoroethylene have?
A: English synonyms of 1,1-difluoroethylene: EINECS 200-867-7, halocarbon1132a, difluoroethylene, CH2=CF2, R1132A, vinylidene difluoride, MFCD00000448, Genetron 1132a, 2,2-difluoroethylene, FC-1132A, VDF, HFC1132a, vinylidene fluoride, 1,1-difluoroethene.
Q: What are the upstream materials of 1,1-difluoroethylene?
A: Related upstream materials(CAS) of 1,1-difluoroethylene: 76-11-9;354-58-5;75-89-8;1649-08-7;79695-52-6;306-83-2;420-46-2;186581-53-3;420-32-6.
Q: What is the English name of 1,1-difluoroethylene?
A: The English name of 1,1-difluoroethylene is 1,1-difluoroethylene.
Q: What is the LogP of 1,1-difluoroethylene?
A: LogP of 1,1-difluoroethylene is 1.39660.

 1,1-difluoroethylenefactory

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

Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.