1,1-二氟乙烷
1,1-二氟乙烷用途
1,1-二氟乙烷名称
[ CAS 号 ]:
75-37-6
[ 中文名 ]:
1,1-二氟乙烷
[ 英文名 ]:
Difluoroethane
[中文别名 ]:
[英文别名 ]:
- MFCD00000449
- Difluoroethane
- EINECS 200-866-1
1,1-二氟乙烷物理化学性质
[ 密度 ]:
0.966
[ 沸点 ]:
-25 °C
[ 熔点 ]:
-117 °C
[ 分子式 ]:
C2H4F2
[ 分子量 ]:
66.05000
[ 精确质量 ]:
66.02810
[ LogP ]:
1.27140
[ 外观性状 ]:
液化无色气体,在压力下
[ 蒸汽密度 ]:
2.28 (vs air)
[ 折射率 ]:
1.3011 (-72ºC)
[ 储存条件 ]:
库房通风低温干燥,轻装轻卸,与易燃物分开存放
1,1-二氟乙烷MSDS
1,1-二氟乙烷毒性和生态
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)
1,1-二氟乙烷安全信息
[ 危害码 (欧洲) ]:
F:Flammable;
[ 风险声明 (欧洲) ]:
R11
[ 安全声明 (欧洲) ]:
S16-S33-S36-S38
[ 危险品运输编码 ]:
UN 1030 2.1
[ WGK德国 ]:
1
[ RTECS号 ]:
KI1410000
[ 危险类别 ]:
2.1
[ 海关编码 ]:
2903399090
1,1-二氟乙烷合成路线
1,1-二氟乙烷上下游产品
1,1-二氟乙烷上游产品
1,1-二氟乙烷下游产品
1,1-二氟乙烷制备
由电石与水在乙炔发生器中反应生成乙炔，经水洗，次氯酸钠吸收脱除杂质。净化后的乙炔经充分干燥，进入氟化反应器。在磺酰氟存在下，乙炔与氟化氢反应生成粗二氟乙烷。粗二氟乙烷经压缩、分馏，得成品。该品也可由1,1-二氯乙烷与氟化氢反应而得。
1,1-二氟乙烷海关
[ 海关编码 ]: 2903399090
[ 中文概述 ]:
2903399090. 其他无环烃的氟化、溴化或碘化衍生物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0%
[ 申报要素 ]: 品名, 成分含量, 用途
[ 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%
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