Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-bromocrotonic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-bromocrotonic acid
Price: ￥488.0/1g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

13991-36-1

13991-36-1 structure

13991-36-1 structure

Name: 4-bromocrotonic acid
Chemical Name: 4-bromocrotonic acid
CAS Number: 13991-36-1
Molecular Formula: C₄H₅BrO₂
Molecular Weight: 164.985
Catalog: Chemical reagent Organic reagent Halogenated aliphatic hydrocarbon
Create Date: 2018-08-26 15:37:14
Modify Date: 2025-08-26 19:05:28

Name	4-bromocrotonic acid
Synonyms	4-BroMobut-2-enoic acid 2-Butenoic acid,4-bromo-,(E) (E)-BrCH2CH=CHCO2H (2E)-4-bromobut-2-enoic acid trans-4-Bromo-2-butenoic Acid 4-Bromocrotonic Acid bromocrotonic acid (2E)-4-Bromo-2-butenoic acid (E)-4-bromocrotonic acid 2-Butenoic acid, 4-bromo-, (2E)- 4-bromo crotonic acid (E)-4-Bromo-2-butenoic acid 2-Butenoic acid,4-bromo-, (2E)-

Density	1.7±0.1 g/cm3
Boiling Point	287.6±23.0 °C at 760 mmHg
Melting Point	74ºC
Molecular Formula	C₄H₅BrO₂
Molecular Weight	164.985
Flash Point	127.7±22.6 °C
Exact Mass	163.947281
PSA	37.30000
LogP	1.12
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.536
Storage condition	Refrigerator

Hazard Codes	C
Risk Phrases	R34
Safety Phrases	S36/37/39
RIDADR	UN 3261
Packaging Group	III
HS Code	2916190090

Precursor 10
107-93-7 26340-58-9 1117-71-1 128-08-5
37746-78-4 3724-65-0 625-38-7 88239-39-8
600-17-9 10035-10-6
DownStream 7
24806-06-2 98548-82-4 15790-94-0 1117-71-1
13419-69-7 24587-49-3 38090-53-8

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%

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