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
| 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) | ![]() 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 | |||||||||
| F | 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 |
|
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 |
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.
trans-4-Phenyl-3-buten-2-one Preparation Products And Raw materials
Raw materials
Preparation Products
1of2
| Supplier | Tel | 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 | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-07-15 | trans-Benzylideneacetone
1896-62-4
|
$29.00 | 99.55% | 10g | TargetMol Chemicals Inc. | ||
![]() |
2026-05-28 | trans-4-Phenyl-3-buten-2-one
1896-62-4
|
$9.00 | 1KG | 99.8% | 100tons | Hebei Chuanghai Biotechnology Co,.LTD | |
![]() |
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 |
-

- trans-Benzylideneacetone
1896-62-4
- $29.00
- 99.55%
- TargetMol Chemicals Inc.
-

- trans-4-Phenyl-3-buten-2-one
1896-62-4
- $9.00
- 99.8%
- Hebei Chuanghai Biotechnology Co,.LTD
-

- trans-4-Phenyl-3-buten-2-one
1896-62-4
- $8.00-10.00
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd








