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trans-4-Phenyl-3-buten-2-one

CAS No.
1896-62-4
Chemical Name:
trans-4-Phenyl-3-buten-2-one
Synonyms
BAR;BENZYLIDENACETONE;TRANS-BENZALACETONE;Tpbo;FEMA 2881;TRANS-BENZYLIDENEACETONE;TC-BAR;(e)-4-phenyl-3-buten-2-one;Methyl trans-styryl ketone;TRANS-4-PHENYL-3-BUTENE-2-ONE
CBNumber:
CB6119481
Molecular Formula:
C10H10O
Molecular Weight:
146.19
MDL Number:
MFCD00008779
MOL File:
1896-62-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-07-16 07:06:08

trans-4-Phenyl-3-buten-2-one Properties

Melting point 39-42 °C(lit.)
Boiling point 260-262 °C(lit.)
Density 1,038 g/cm3
vapor pressure 0.01 mm Hg ( 25 °C)
refractive index 1.5836 (estimate)
FEMA 2881 | 4-PHENYL-3-BUTEN-2-ONE
Flash point 150 °F
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility alcohol: freely soluble(lit.)
form Crystalline Substance
color Yellow
Water Solubility practically insoluble
Merck 14,1137
InChI 1S/C10H10O/c1-9(11)7-8-10-5-3-2-4-6-10/h2-8H,1H3/b8-7+
InChIKey BWHOZHOGCMHOBV-BQYQJAHWSA-N
SMILES CC(=O)\C=C\c1ccccc1
Toxicology and Carcinogenesis Toxicology and Carcinogenesis Studies of Methyl trans-Styryl Ketone (CASRN 1896-62-4) in F344/N Rats and B6C3F1 Mice (Feed and Dermal Studies)
CAS DataBase Reference 1896-62-4(CAS DataBase Reference)
FDA UNII B03X40BMT5
NIST Chemistry Reference 3-Buten-2-one, 4-phenyl-, (E)-(1896-62-4)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H317-H319-H335
Precautionary statements  P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Hazard Codes  Xn,Xi
Risk Statements  36/37/38-43-42/43
Safety Statements  7-26-36/37/39-37/39
RIDADR  UN 3077 9/PG III
WGK Germany  3
RTECS  EN0330050
8
HazardClass  9
PackingGroup  III
HS Code  29143990
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
Skin Sens. 1
STOT SE 3
Toxicity mma-sat 300 mg/plate FCTOD7 20,427,82
NFPA 704
2
1 0

trans-4-Phenyl-3-buten-2-one price More Price(46)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 241091 trans-4-Phenyl-3-buten-2-one ≥99% 1896-62-4 50g $72.1 2026-04-30 Buy
TCI Chemical P0163 trans-Benzalacetone >98.0%(GC) 1896-62-4 25g $21 2026-04-30 Buy
TCI Chemical P0163 trans-Benzalacetone >98.0%(GC) 1896-62-4 500g $72 2026-04-30 Buy
ChemScene CS-0031350 trans-Benzylideneacetone ≥96% 1896-62-4 10g $5 2026-06-04 Buy
ChemScene CS-0031350 trans-Benzylideneacetone ≥96% 1896-62-4 100g $8 2026-06-04 Buy
Product number Packaging Price Buy
241091 50g $72.1 Buy
P0163 25g $21 Buy
P0163 500g $72 Buy
CS-0031350 10g $5 Buy
CS-0031350 100g $8 Buy

trans-4-Phenyl-3-buten-2-one Chemical Properties,Uses,Production

Chemical Properties

light yellow low melting crystalline mass or

Uses

trans-4-Phenyl-3-buten-2-one is used in various synthetic preparations.

Definition

ChEBI: The trans-isomer of benzylideneacetone. It acts as an inhibitor of the enzyme phospholipase A2 (EC 3.1.1.4) of insects like diamond back moth.

General Description

trans-4-Phenyl-3-buten-2-one forms trans-4-(4-hydroxyphenyl)-3-buten-2-one (4-OH-PBO) as a metabolite when incubated with liver microsomes of untreated rats in the presence of NADPH.

Safety Profile

Mutation data reported. Aflammable liquid. When heated to decomposition it emitsacrid smoke and irritating vapors.

100-52-7
67-63-0
1896-62-4
Synthesis of trans-4-Phenyl-3-buten-2-one from Benzaldehyde and Isopropyl alcohol
Global( 269)Suppliers
Supplier Tel Email Country ProdList Advantage
Zaoyang cixiang medical technology co. LTD 15996000437 15971080675 385091169@qq.com China 43 58
Changzhou Gangtong Chemical Co., Ltd 13506120961; 13506120961 sales@gangtongchem.com China 48 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
XiaoGan ShenYuan ChemPharm co,ltd 15527621225; 15527621225 1791901229@qq.com China 6746 52

View Lastest Price from trans-4-Phenyl-3-buten-2-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
trans-Benzylideneacetone pictures 2026-07-15 trans-Benzylideneacetone
1896-62-4
$29.00 99.55% 10g TargetMol Chemicals Inc.
trans-4-Phenyl-3-buten-2-one pictures 2026-05-28 trans-4-Phenyl-3-buten-2-one
1896-62-4
$9.00 1KG 99.8% 100tons Hebei Chuanghai Biotechnology Co,.LTD
trans-4-Phenyl-3-buten-2-one pictures 2026-03-20 trans-4-Phenyl-3-buten-2-one
1896-62-4
$8.00-10.00 1kg 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
(E)-1-Methyl-3-phenyl-2-propene-1-one (E)-Benzylideneacetone [(E)-Styryl]methyl ketone Methyl[(E)-styryl] ketone trans-Phenylvinyl methyl ketone 4-Phenyl-3-buten-2-one,Benzalacetone, Benzylideneacetone, Methyl styryl ketone Benzylideneacetone,Benzalacetone, Benzylideneacetone, Methyl styryl ketone trans-4-Phenyl-3-buten-2-one, 99% 500GR (E)-1-Buten-3-one, 1-phenyl BAR (Benzylidene acetone) VLOOKUP(C8,[1]Export!$D:$H,5,0) (3E)-4-phenylbut-3-en-2-one, E Warfarin sodium EP Impurity C TRANS-4-PHENYL-3-BUTEN-2-ONE, 99+% BENZYLIDENEACETONE 99+% Benzylideneacetone, 98+% 1-PHENYL-1-BUTEN-3-ONE ACETOCINNAMONE TRANS-4-PHENYL-3-BUTENE-2-ONE TRANS-4-PHENYL-3-BUTEN-2-ONE TRANS-BENZYLIDENEACETONE TRANS-BENZALACETONE TC-BAR 3-Buten-2-one, 4-phenyl-, (3E)- TRANS-METHYLSTYRYLKETONE (e)-3-buten-2-on methyltrans-styrylketone trans-4-phenyl-but-3-en-2-one trans-Benzylidenacetone CINNAMYL METHYL KETONE (e)-4-phenyl-3-buten-2-one BENZALAOETONE (3E)-4-Phenylbut-3-en-2-one (Benzal rans-benzylideneacetone Benzylidene acetone(TC-BAR) Warfarin Impurity C (E)-4-Phenyl-3-buten-2-one 1896-62-4 4-PHENYL-3-BUTEN-2-ONE For Synthesis Warfarin Sodium Impurity C (3E)-4-phenylbut-3-en-2-one(benzalacetone) Warfarin EP Impurity C ((E)-Benzalacetone) BENZALACETONE POWDER trans-Benzylideneacetone, 10 mM in DMSO trans-4-Phenyl-3-buten-2-one ADRBR BETA2AR Warfarin Sodium Imp. C (EP): (3E)-4-phenylbut-3-en-2-one BAR BENZYLIDENACETONE FEMA 2881 Methyl trans-styryl ketone Tpbo Benzylideneacetone (Benzalacetone) 1896-62-4 8178-00-1 Ketones Organic Building Blocks C10