1,1-difluoroethylene

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Names

[ CAS No. ]:
75-38-7

[ Name ]:
1,1-difluoroethylene

[Synonym ]:
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

Chemical & Physical Properties

[ 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

MSDS

Click to get detail MSDS

Toxicological Information

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

[ 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

Precursor & DownStream

Precursor

  • 1,1,1,2-tetrachloro-2,2-difluoroethane
  • 1,1,1-Trichloro-Trifluoroethane
  • 2,2,2-Trifluoroethanol
  • 1,2-Dichloro-1,1-difluoroethane
  • 2,2,2-trifluoroethyl phenyl sulfoxide
  • 1,1-Dichloro-2,2,2-trifluoroethane
  • 1,1,1-Trifluoroethane
  • diazomethane
  • difluoromethanethione

DownStream

  • 3,3,3-Trifluoro-1-propanamine
  • 1,5-Dibromo-1,1,3,3,5,5-hexafluoropentane
  • 4-Fluoropyrazole
  • 3,3-Dichloro-1,1,1-trifluoropropane
  • 1,2-dichloro-1,1,2,4,4,6,6-heptafluoro-6-iodohexane
  • 1,1,1-Trifluoroethane
  • acetic acid
  • 2,2,2-TRIFLUOROETHYL TRIFLUOROMETHYL ETHER
  • 1,1,2-trifluoro-1-(trifluoromethoxy)ethane
  • 1,2-Dichlorotrifluoroethyl trifluoromethyl ether

Related Compounds

  • 1,1-DIFLUOROETHYLENE
  • Chloro-1,1-difluoroethylene
  • 2-Bromo-1,1-difluoroethylene
  • 2-Bromo-2-chloro-1,1-difluoroethylene
  • Ethylene, chlorotrifluoro-, polymer with 1,1-difluoroethylene
  • 1,1-Dichloro-2,2-difluoroethene