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4-(2-Chlorophenyl)but-3-en-2-one

4-(2-Chlorophenyl)but-3-en-2-one Structure
4-(2-Chlorophenyl)but-3-en-2-one structure
CAS No.
20766-37-4
Chemical Name:
4-(2-Chlorophenyl)but-3-en-2-one
Synonyms
BUTTPARK 94\04-66;o-Chlorobenzalacetone;2-Chloro-benzalacetone;o-Chlorobenzylideneacetone;4-(2-Chlorophenyl)-3-buten-2-one;1-(2-CHLOROPHENYL)BUT-1-EN-3-ONE;4-(2-Chlorophenyl)but-3-en-2-one;3-Buten-2-one, 4-(2-chlorophenyl)-;3-Buten-2-one, 4-(o-chlorophenyl)-;(3E)-4-(2-Chlorophenyl)but-3-en-2-one
CBNumber:
CB1247622
Molecular Formula:
C10H9ClO
Molecular Weight:
180.63
MDL Number:
MFCD00084971
MOL File:
20766-37-4.mol
Last updated:2026-09-12 18:49:06
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4-(2-Chlorophenyl)but-3-en-2-one Properties

Boiling point 105 °C
CAS DataBase Reference 20766-37-4

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H312-H315-H319-H332-H335
Precautionary statements  P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P321-P322-P330-P332+P313-P337+P313-P362-P363-P403+P233-P403+P235-P405-P501
HazardClass  IRRITANT
HS Code  2914120000

4-(2-Chlorophenyl)but-3-en-2-one price More Price(33)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Apolloscientific OR25346 4-(2-Chlorophenyl)but-3-en-2-one 95% 20766-37-4 1g $85 2026-06-04 Buy
Apolloscientific OR25346 4-(2-Chlorophenyl)but-3-en-2-one 95% 20766-37-4 5g $141 2026-06-04 Buy
Activate Scientific AS68859 (E)-4-(2-Chloro-phenyl)-but-3-en-2-one 95% 20766-37-4 1g $85 2026-06-04 Buy
Matrix Scientific 059013 (E)-4-(2-Chloro-phenyl)-but-3-en-2-one 20766-37-4 1.00g $69 2026-05-18 Buy
Matrix Scientific 059013 (E)-4-(2-Chloro-phenyl)-but-3-en-2-one 20766-37-4 5.00g $153 2026-05-18 Buy
Product number Packaging Price Buy
OR25346 1g $85 Buy
OR25346 5g $141 Buy
AS68859 1g $85 Buy
059013 1.00g $69 Buy
059013 5.00g $153 Buy

4-(2-Chlorophenyl)but-3-en-2-one Preparation Products And Raw materials

Raw materials

Preparation Products

4-(2-Chlorophenyl)but-3-en-2-one Suppliers

Global Suppliers ( 26)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Beijing FYF Chemicals Co., Ltd 010-57903446 15869909019 168931144@qq.com China 2876 58
Bejing Famous Pharmaceutical Technology Co., Ltd. 010-80339217; 13331045123 2559355526@qq.com China 14180 58
Energy Chemical 021-58432009 400-005-6266 marketing@energy-chemical.com China 44871 58
Henan Weitixi Chemical Technology Co., Ltd 0371-53370800 18037197114 3807961510@qq.com China 9957 58
Zhuhai Aobokai Biomedical Technology Co., Ltd. 400-0628126 sales-team@aobchem.com.cn China 49939 58
DAYANG CHEM (HANGZHOU) CO.,LTD +86-88938639 +86-17705817739 info@dycnchem.com China 53636 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Thermo Fisher Scientific 75
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 55
9ding chemical ( Shanghai) Limited 55
Beijing FYF Chemicals Co., Ltd 58
Bejing Famous Pharmaceutical Technology Co., Ltd. 58
Energy Chemical 58
Henan Weitixi Chemical Technology Co., Ltd 58
Zhuhai Aobokai Biomedical Technology Co., Ltd. 58
DAYANG CHEM (HANGZHOU) CO.,LTD 58

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1of4

(3E)-4-(2-Chlorophenyl)-3-buten-2-one (E)-4-(2-Chlorophenyl)-but-3-en-2-one 2-Chloro-benzalacetone 3-Buten-2-one, 4-(o-chlorophenyl)- 4-(2-Chlorophenyl)-3-buten-2-one o-Chlorobenzalacetone o-Chlorobenzylideneacetone 1-(2-CHLOROPHENYL)BUT-1-EN-3-ONE BUTTPARK 94\04-66 3-Buten-2-one, 4-(2-chlorophenyl)- (3E)-4-(2-Chlorophenyl)but-3-en-2-one 4-(2-Chlorophenyl)but-3-en-2-one 20766-37-4