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21962-24-3

21962-24-3结构式

常用中文名：1,1-dimethoxybut-2-ene
常用英文名：1,1-dimethoxybut-2-ene
CAS号：21962-24-3
分子式：C₆H₁₂O₂
分子量：116.15800
发布时间：2017-07-10 10:37:13
更新时间：2024-01-10 20:19:20

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英文名	(E)-1,1-dimethoxybut-2-ene
英文别名	Crotonaldehyde,dimethyl acetal (6CI,7CI,8CI) 2-Butenal dimethyl acetal Crotonaldehyde,dimethyl acetal Propylene formal 2-BUTENE,1,1-DIMETHOXY 1,1-Dimethoxybut-2-ene EINECS 244-683-5

分子式	C₆H₁₂O₂
分子量	116.15800
精确质量	116.08400
PSA	18.46000
LogP	1.18140
蒸汽压	23.4mmHg at 25°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EM5075000

CHEMICAL NAME :: 2-Butene, 1,1-dimethoxy-

CAS REGISTRY NUMBER :: 21962-24-3

BEILSTEIN REFERENCE NO. :: 1720659

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C6-H12-O2

MOLECULAR WEIGHT :: 116.18

WISWESSER LINE NOTATION :: 2U1YO1&O1

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 :: 400 ppm/4H

TOXIC EFFECTS :: Behavioral - general anesthetic

REFERENCE :: AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 12,623,1955

海关编码	2911000000

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海关编码	2911000000
中文概述	2911000000 缩醛及半缩醛，不论是否含其他含氧基，及其卤化，磺化，硝化和亚硝化衍生物。监管条件:无。增值税率:17.0%。退税率:9.0%。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	2911000000 acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%