ethyl 4-methylpent-2-ynoate

Modify Date: 2024-01-18 16:22:22

ethyl 4-methylpent-2-ynoate Structure
ethyl 4-methylpent-2-ynoate structure
Common Name ethyl 4-methylpent-2-ynoate
CAS Number 38491-47-3 Molecular Weight 140.18000
Density 0.948g/cm3 Boiling Point 198.1ºC at 760 mmHg
Molecular Formula C8H12O2 Melting Point N/A
MSDS N/A Flash Point 69.6ºC

 Names

Name ethyl 4-methylpent-2-ynoate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.948g/cm3
Boiling Point 198.1ºC at 760 mmHg
Molecular Formula C8H12O2
Molecular Weight 140.18000
Flash Point 69.6ºC
Exact Mass 140.08400
PSA 26.30000
LogP 1.20890
Index of Refraction 1.438

 Safety Information

HS Code 2916190090

 Synthetic Route

~71%

ethyl 4-methylpent-2-ynoate Structure

ethyl 4-methylp...

CAS#:38491-47-3

Literature: Golden, Jennifer E.; Sanders, Shanina D.; Muller, Kristine M.; Buerli, Roland W. Tetrahedron Letters, 2008 , vol. 49, # 5 p. 794 - 798

~94%

ethyl 4-methylpent-2-ynoate Structure

ethyl 4-methylp...

CAS#:38491-47-3

Literature: Organ; Bratovanov Tetrahedron Letters, 2000 , vol. 41, # 36 p. 6945 - 6949

~%

ethyl 4-methylpent-2-ynoate Structure

ethyl 4-methylp...

CAS#:38491-47-3

Literature: ELI LILLY AND COMPANY Patent: WO2007/140174 A2, 2007 ; Location in patent: Page/Page column 18 ;

~%

ethyl 4-methylpent-2-ynoate Structure

ethyl 4-methylp...

CAS#:38491-47-3

Literature: Tokuda, Masao; Nishio, Osamu Journal of Organic Chemistry, 1985 , vol. 50, # 10 p. 1592 - 1596

~%

ethyl 4-methylpent-2-ynoate Structure

ethyl 4-methylp...

CAS#:38491-47-3

Literature: Wenkert,E.; McPherson,C.A. Synthetic Communications, 1972 , vol. 2, p. 331 - 334

 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

4-methyl-pent-2-ynoic acid ethyl ester
4-Methyl-pent-2-insaeure-aethylester
Isopropylpropiolsaeure-ethylester
2-Pentynoic acid,4-methyl-,ethyl ester