Benzalacetone
Also known as: Benzylideneacetone, 4-Phenyl-3-buten-2-one, Methyl styryl ketone, (E)-4-Phenylbut-3-en-2-one, 1-methyl-3-phenyl-2-propen-1-one, 4-Phenylbut-3-en-2-one, Benzylidene acetone, FEMA 2881
Benzalacetone (CAS 122-57-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H10O and a molecular weight of 146.186 g/mol. Key properties include a melting point of 39-42 °C(lit.), a boiling point of 260.8±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 65.6±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 122-57-6
- Jingsj CID
- J-37852-9
- Molecular Formula
- C10H10O
- Molecular Weight
- 146.186 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39-42 °C(lit.) |
|---|---|
| Boiling Point | 260.8±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 65.6±0.0 °C |
| Exact Mass | 146.073166 |
| PSA | 17.07000 |
| LogP | 2.17 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.563 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
Customs & Trade Information
| HS Code | 2914399090 |
|---|---|
| Summary | 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Benzalacetone?
The CAS number of Benzalacetone is 122-57-6.
What are the molecular formula and molecular weight of Benzalacetone?
Benzalacetone has molecular formula C10H10O and molecular weight 146.186 g/mol.
Is Benzalacetone hazardous?
Benzalacetone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of Benzalacetone?
For Benzalacetone, Upstream Products: 4-phenyl-3-buten-2-ol, Benzaldehyde, 4-Phenyl-3-butyn-2-one; Downstream Products: 5-Methyl-3-phenyl-1H-pyrazole, Dibenzylideneacetone, 5-Phenylcyclohexane-1,3-dione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzalacetone (CAS 122-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37852-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.