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三氟氯乙烯

三氟氯乙烯用途

用于制备聚三氟氯乙烯树脂及氟橡胶, 也是氟塑料、氟橡胶、致冷剂、氟氯润滑油、氟烷麻醉剂的原料。 用于以氟取代甾体、碳水化合物中的羟基用作防腐剂。

聚三氟氯乙烯的单体,能制造氟塑料、氟橡胶及氟氯润滑油等重要产品。还可用作生产吸入麻醉剂的原料。用于以氟取代甾体、碳水化合物中的羟基用作防腐剂。

三氟氯乙烯名称

[ CAS 号 ]:
79-38-9

[ 中文名 ]:
三氟氯乙烯

[ 英文名 ]:
TRIFLUOROCHLOROETHYLENE

[中文别名 ]:

[英文别名 ]:

三氟氯乙烯物理化学性质

[ 密度 ]:
1,305 g/cm3

[ 沸点 ]:
−28.4 °C(lit.)

[ 熔点 ]:
−158 °C(lit.)

[ 分子式 ]:
C2ClF3

[ 分子量 ]:
116.47000

[ 闪点 ]:
-28°C

[ 精确质量 ]:
115.96400

[ LogP ]:
2.26030

[ 外观性状 ]:
无色气体带有一种微弱像空气的气味

[ 蒸汽密度 ]:
4.13 (vs air)

[ 折射率 ]:
1.38 (0ºC)

[ 储存条件 ]:
库房通风低温干燥,轻装轻卸

三氟氯乙烯MSDS

三氟氯乙烯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KV0525000
CHEMICAL NAME :
Ethylene, chlorotrifluoro-
CAS REGISTRY NUMBER :
79-38-9
BEILSTEIN REFERENCE NO. :
1740373
LAST UPDATED :
199712
DATA ITEMS CITED :
12
MOLECULAR FORMULA :
C2-Cl-F3
MOLECULAR WEIGHT :
116.47
WISWESSER LINE NOTATION :
GYFUYFF

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 :
1000 ppm/4H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Gastrointestinal - other changes
REFERENCE :
FLCRAP Fluorine Chemistry Reviews. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1967- Volume(issue)/page/year: 1,197,1967
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
268 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 21,377,1968
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3000 ppm/7H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 21,377,1968
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
175 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 21,377,1968
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
4300 mg/m3/4H
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Liver - other changes Kidney, Ureter, Bladder - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(5),36,1977 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
300 ppm/4H/4W-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571342
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
300 ppm/4H/4W-I
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571342 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 5 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84524 No. of Facilities: 66 (estimated) No. of Industries: 4 No. of Occupations: 7 No. of Employees: 1429 (estimated)

三氟氯乙烯安全信息

[ 危害码 (欧洲) ]:
F+: Highly flammable;Xn: Harmful;

[ 风险声明 (欧洲) ]:
R12;R20/22

[ 安全声明 (欧洲) ]:
S16-S38

[ 危险品运输编码 ]:
UN 1082 2.3

[ WGK德国 ]:
3

[ RTECS号 ]:
KV0525000

[ 危险类别 ]:
2.3

三氟氯乙烯合成路线

三氟氯乙烯上下游产品

三氟氯乙烯制备

1.工业上普遍采用的方法是由三氟三氯乙烷脱氯而得。一般以锌粉为脱氯剂,以甲醇为溶剂,反应温度为50-150℃,反应压力为2.08MPa,反应时间为3-4s。将含有锌粉的甲醇悬浮液与三氟三氯乙烷一同送进反应器,生成的氯化锌从反应物中分离出来,反应产物送往初馏塔和精馏塔后,得纯三氟氯乙烯。

2.以1,1,2-三氟-1,2,2-三氯乙烷(氟里昂-113)为原料,在甲醇分散介质
中,和锌粉反应脱氯,再经分馏提纯,得成品。若加压至1.17MPa进行反应,可提高反应温度,增加反应速度和收率,并减少甲醇的用量。


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