1-氯-1,1-二氟乙烷

1-氯-1,1-二氟乙烷用途

【用途一】
用作制冷剂及感温介质
【用途二】
用作制冷剂及火箭推进剂的中间体
【用途三】
用作高温环境冷风机的工质，热泵工质和温控元件的感应介质。

1-氯-1,1-二氟乙烷名称

[ CAS 号 ]:
75-68-3

[ 中文名 ]:
1-氯-1,1-二氟乙烷

[ 英文名 ]:
f 142b

[中文别名 ]:

[英文别名 ]:

1-氯-1,1-二氟乙烷物理化学性质

[ 密度 ]:
1.2±0.1 g/cm3

[ 沸点 ]:
-9.3±8.0 °C at 760 mmHg

[ 熔点 ]:
−131 °C(lit.)

[ 分子式 ]:
C2H3ClF2

[ 分子量 ]:
100.495

[ 闪点 ]:
-64.4±11.9 °C

[ 精确质量 ]:
99.989136

[ LogP ]:
1.33

[ 外观性状 ]:
透明无色液体,无气味

[ 蒸汽密度 ]:
3.49 (vs air)

[ 蒸汽压 ]:
2473.6±0.0 mmHg at 25°C

[ 折射率 ]:
1.316

[ 储存条件 ]:
库房通风低温干燥,与氧化剂分开存放

[ 稳定性 ]:
Stable. Highly flammable. Incompatible with strong oxidizing agents, metals - use brass regulators, steel cylinders for storage.

1-氯-1,1-二氟乙烷MSDS

详细MSDS(安全技术说明书)

1-氯-1,1-二氟乙烷毒性和生态

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)

1-氯-1,1-二氟乙烷安全信息

[ 危害码 (欧洲) ]:
F+:Highlyflammable;N:Dangerousfortheenvironment;

[ 风险声明 (欧洲) ]:
R12;R59

[ 安全声明 (欧洲) ]:
S38-S59

[ 危险品运输编码 ]:
UN 2517 2.1

[ WGK德国 ]:
1

[ RTECS号 ]:
KH7650000

[ 危险类别 ]:
2.1

1-氯-1,1-二氟乙烷合成路线

详细合成路线

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