2-Propynoic acid,3-bromo-, methyl ester

Modify Date: 2025-08-25 18:05:22

2-Propynoic acid,3-bromo-, methyl ester structure	Common Name	2-Propynoic acid,3-bromo-, methyl ester
	CAS Number	23680-40-2	Molecular Weight	162.96900
	Density	1.723g/cm3	Boiling Point	150.2ºC at 760mmHg
	Molecular Formula	C₄H₃BrO₂	Melting Point	20ºC
	MSDS	N/A	Flash Point	44.6ºC

Name	methyl 3-bromoprop-2-ynoate
Synonym	More Synonyms

HS Code	2916190090

methylpropiolate

CAS#:922-67-8

~90%

2-Propynoic aci...

CAS#:23680-40-2

Literature: Leroy Synthetic Communications, 1992 , vol. 22, # 4 p. 567 - 572

N-Bromosuccinimide

CAS#:128-08-5

methylpropiolate

CAS#:922-67-8

~85%

2-Propynoic aci...

CAS#:23680-40-2

Literature: PHARMACIA and UPJOHN COMPANY Patent: WO2004/39815 A2, 2004 ; Location in patent: Page 44 ; WO 2004/039815 A2

Methanol

CAS#:67-56-1

Bromopropiolic acid

CAS#:16900-53-1

~73%

2-Propynoic aci...

CAS#:23680-40-2

Literature: Commercon, A.; Normant, J. F.; Villieras, J. Tetrahedron, 1980 , vol. 36, # 82 p. 1215 - 1222

Precursor 4
CAS#:922-67-8 methylpropiolate CAS#:128-08-5 N-Bromosuccinimide CAS#:67-56-1 Methanol CAS#:16900-53-1 Bromopropiolic acid
DownStream 4
CAS#:104-92-7 4-Bromoanisole CAS#:7515-17-5 Methyl 3-(4-met... CAS#:98236-82-9 methyl 2-imidaz... CAS#:42122-44-1 Methyl 3-(4-flu...

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%