Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Butenedioic acid,2-bromo-, (2Z)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

644-80-4

644-80-4 structure

644-80-4 structure

Name: 2-Butenedioic acid,2-bromo-, (2Z)-
Chemical Name: (Z)-2-bromobut-2-enedioic acid
CAS Number: 644-80-4
Molecular Formula: C₄H₃BrO₄
Molecular Weight: 194.96800
Create Date: 2016-03-09 12:52:39
Modify Date: 2025-10-07 18:47:32

Name	(Z)-2-bromobut-2-enedioic acid
Synonyms	cis-2-bromobutenedioic acid bromofumaric acid Brom-fumarsaeure

Density	2.156g/cm3
Boiling Point	359ºC at 760mmHg
Molecular Formula	C₄H₃BrO₄
Molecular Weight	194.96800
Flash Point	170.9ºC
Exact Mass	193.92100
PSA	74.60000
LogP	0.43440
Index of Refraction	1.609

HS Code	2917190090

Precursor 9
526-78-3 110-16-7 110-17-8 5926-51-2
584-99-6 110-15-6 142-45-0 1114-00-7
608-36-6
DownStream 10
608-36-6 1114-00-7 471-25-0 124-38-9
10035-10-6 110-15-6 110-17-8 2509-16-2
5926-51-2 7732-18-5

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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