methyl 4-chlorobut-2-ynoate

Modify Date: 2024-01-09 10:31:26

methyl 4-chlorobut-2-ynoate Structure
methyl 4-chlorobut-2-ynoate structure
Common Name methyl 4-chlorobut-2-ynoate
CAS Number 41658-12-2 Molecular Weight 132.54500
Density 1.213g/cm3 Boiling Point 191.6ºC at 760 mmHg
Molecular Formula C5H5ClO2 Melting Point N/A
MSDS N/A Flash Point 84.7ºC

 Names

Name methyl 4-chlorobut-2-ynoate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.213g/cm3
Boiling Point 191.6ºC at 760 mmHg
Molecular Formula C5H5ClO2
Molecular Weight 132.54500
Flash Point 84.7ºC
Exact Mass 131.99800
PSA 26.30000
LogP 0.40160
Index of Refraction 1.458

 Safety Information

HS Code 2916190090

 Synthetic Route

~61%

methyl 4-chlorobut-2-ynoate Structure

methyl 4-chloro...

CAS#:41658-12-2

Literature: Olomucki, Martin; Gall, Jean-Yves Le; Barrand, Isabelle Journal of the Chemical Society, Chemical Communications, 1982 , # 22 p. 1290 - 1291

~91%

methyl 4-chlorobut-2-ynoate Structure

methyl 4-chloro...

CAS#:41658-12-2

Literature: Trofimov; Mal'kina; Gritsa; Skvortsov; Stankevich; Sokolyanskaya Russian Journal of General Chemistry, 1996 , vol. 66, # 1 p. 102 - 106

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methyl 4-chlorobut-2-ynoate Structure

methyl 4-chloro...

CAS#:41658-12-2

Literature: Vereshchagin,L.I. et al. Journal of Organic Chemistry USSR (English Translation), 1973 , vol. 9, p. 514 - 518 Zhurnal Organicheskoi Khimii, 1973 , vol. 9, p. 506 - 511

 Customs

HS Code 2916190090
Summary 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

 Synonyms

Chlortetrolsaeuremethylester
2-Butynoic acid,4-chloro-,methyl ester
Methyl 4-chlorobutynoate
methyl 4-chloro-2-butynoate
Methyl chlorotetrolate
chloro-but-2-ynoic acid methyl ester
Chlorotetrolic acid methyl ester
Chlor-but-2-insaeure-methylester