2-丁烯

2-丁烯用途

【用途一】
主要用于脱氢制丁二烯，也可经水合制取仲丁醇

2-丁烯名称

[ CAS 号 ]:
107-01-7

[ 中文名 ]:
2-丁烯

[ 英文名 ]:
2-butene

[英文别名 ]:

butene-2
(2E)-2-Butene
butylene-2
CH3CH=CHCH3
2-Buten
MFCD00064458
2-BUTYLENE
2-BUTENE
EINECS 210-855-3
E/Z-2-butene

2-丁烯物理化学性质

[ 密度 ]:
0.636 g/cm3

[ 沸点 ]:
1 °C(lit.)

[ 熔点 ]:
−140 °C(lit.)

[ 分子式 ]:
C₄H₈

[ 分子量 ]:
56.10630

[ 闪点 ]:
<−30 °F

[ 精确质量 ]:
56.06260

[ LogP ]:
1.58240

[ 蒸汽密度 ]:
2 (vs air)

[ 蒸汽压 ]:
1600mmHg at 25°C

[ 折射率 ]:
1.384

2-丁烯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EM2932000

CHEMICAL NAME :: 2-Butene

CAS REGISTRY NUMBER :: 107-01-7

BEILSTEIN REFERENCE NO. :: 1718755

LAST UPDATED :: 199710

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C4-H8

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 425 ppm

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,12,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 14144 No. of Facilities: 35 (estimated) No. of Industries: 3 No. of Occupations: 8 No. of Employees: 1648 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 14144 No. of Facilities: 32 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 545 (estimated)

2-丁烯安全信息

[ 危害码 (欧洲) ]:
F: Flammable;

[ 风险声明 (欧洲) ]:
R12

[ 安全声明 (欧洲) ]:
S9-S16-S33

[ 危险品运输编码 ]:
UN 1012 2.1

[ WGK德国 ]:
3

[ RTECS号 ]:
EM2932000

[ 危险类别 ]:
2.1

[ 海关编码 ]:
2901232000

2-丁烯合成路线

详细合成路线

2-丁烯上下游产品

2-丁烯上游产品

2-丁烯下游产品

2-丁烯海关

[ 海关编码 ]: 2901232000

[ 中文概述 ]:
2901232000 2-丁烯。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。最低关税:2.0%。普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 用作气体燃料的应报明包装容器容积, 散装货物应报明

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: M.进口商品检验 N.出口商品检验

[ Summary ]:
2901232000 (e)-but-2-ene。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:2.0%。general tariff:20.0%