Shanghai Nianxing Industrial Co., Ltd
China
Product Name: sodium,(E)-3-bromo-4-(4-methoxyphenyl)-4-oxobut-2-enoate
Price: Check
Purity: 99.53%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

21739-91-3

21739-91-3 structure

21739-91-3 structure

Name: sodium,(E)-3-bromo-4-(4-methoxyphenyl)-4-oxobut-2-enoate
Chemical Name: sodium,(E)-3-bromo-4-(4-methoxyphenyl)-4-oxobut-2-enoate
CAS Number: 21739-91-3
Molecular Formula: C₁₁H₈BrNaO₄
Molecular Weight: 307.07300
Create Date: 2018-06-20 19:54:26
Modify Date: 2025-08-25 19:13:01

Name	sodium,(E)-3-bromo-4-(4-methoxyphenyl)-4-oxobut-2-enoate
Synonyms	Cytembena

Density	1.59g/cm3
Boiling Point	417.9ºC at 760mmHg
Melting Point	260 - 263ºC
Molecular Formula	C₁₁H₈BrNaO₄
Molecular Weight	307.07300
Flash Point	206.5ºC
Exact Mass	305.95000
PSA	66.43000
LogP	0.90660
Vapour Pressure	9.92E-08mmHg at 25°C

HS Code	2918990090

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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