Difluoroethane

Modify Date: 2024-01-02 18:04:57

Difluoroethane Structure
Difluoroethane structure
Common Name Difluoroethane
CAS Number 75-37-6 Molecular Weight 66.05000
Density 0.966 Boiling Point -25 °C
Molecular Formula C2H4F2 Melting Point -117 °C
MSDS N/A Flash Point N/A

 Names

Name 1,1-Difluoroethane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.966
Boiling Point -25 °C
Melting Point -117 °C
Molecular Formula C2H4F2
Molecular Weight 66.05000
Exact Mass 66.02810
LogP 1.27140
Vapour density 2.28 (vs air)
Index of Refraction 1.3011 (-72ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KI1410000
CHEMICAL NAME :
Ethane, 1,1-difluoro-
CAS REGISTRY NUMBER :
75-37-6
BEILSTEIN REFERENCE NO. :
1696900
LAST UPDATED :
199710
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C2-H4-F2
MOLECULAR WEIGHT :
66.06
WISWESSER LINE NOTATION :
FYF

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1500 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
64000 ppm/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 :
977 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 :
2000 ppm/6H/2Y-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Nutritional and Gross Metabolic - changes in metals, not otherwise specified

MUTATION DATA

TEST SYSTEM :
Insect - Drosophila melanogaster
DOSE/DURATION :
98 pph/10M
REFERENCE :
ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 7,275,1974 *** REVIEWS *** TOXICOLOGY REVIEW FAZMAE Fortschritte der Arzneimittelforschung. Progress in Drug Research. (Birkhauser Boston, Inc., c/o Springer-Verlag New York, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1959- Volume(issue)/page/year: 18,365,1974 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-HUNGARY:TWA 200 mg/m3;STEL 500 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 - 82202 No. of Facilities: 36 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 516 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82202 No. of Facilities: 1550 (estimated) No. of Industries: 7 No. of Occupations: 27 No. of Employees: 132833 (estimated) No. of Female Employees: 116164 (estimated)

 Safety Information

Hazard Codes F:Flammable;
Risk Phrases R11
Safety Phrases S16-S33-S36-S38
RIDADR UN 1030 2.1
WGK Germany 1
RTECS KI1410000
Hazard Class 2.1
HS Code 2903399090

 Synthetic Route

 Customs

HS Code 2903399090
Summary 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

MFCD00000449
Difluoroethane
EINECS 200-866-1
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