1-Phenyl-1,3-butanedione
Also known as: 1-Phenylbutane-1,3-dione, Benzoylacetone, 1-Benzoylacetone, alpha-Acetylacetophenone, Acetylbenzoylmethane, 1,3-Butanedione, 1-phenyl-, 1-Phenyl-1,3-butanedion, 1-phenyl-butane-1,3-dione, 2-Propanone, benzoyl-, 3-Butanedione,1-phenyl-1
1-Phenyl-1,3-butanedione (CAS 93-91-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10O2 and a molecular weight of 162.19 g/mol. Key properties include a melting point of 54-56 °C(lit.), a boiling point of 262.2±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 96.9±16.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 2 suppliers, 1 of which publish reference prices, from 1.14 to 2,680.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 93-91-4
- Jingsj CID
- J-47908-8
- Molecular Formula
- C10H10O2
- Molecular Weight
- 162.19 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >98.0%(GC) 25g | ¥28.57 | $0.17 /gBest ¥1.14/g CNY | CN China MOQ 25g | |
In Stock | 98% 500g | ¥1,420.00 | $0.42 /g ¥2.84/g CNY | CN China MOQ 500g | |
In Stock | 98% 25g | ¥72.00 | $0.43 /g ¥2.88/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 54-56 °C(lit.) |
|---|---|
| Boiling Point | 262.2±13.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 96.9±16.8 °C |
| Exact Mass | 162.068085 |
| PSA | 34.14000 |
| LogP | 2.52 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.515 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 1-Phenyl-1,3-butanedione?
The CAS number of 1-Phenyl-1,3-butanedione is 93-91-4.
What are the molecular formula and molecular weight of 1-Phenyl-1,3-butanedione?
1-Phenyl-1,3-butanedione has molecular formula C10H10O2 and molecular weight 162.19 g/mol.
Which suppliers offer 1-Phenyl-1,3-butanedione?
2 supplier(s) listed; reference unit price ¥1.14–2680.00 /g.
Is 1-Phenyl-1,3-butanedione hazardous?
1-Phenyl-1,3-butanedione has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Phenyl-1,3-butanedione (CAS 93-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47908-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.