alpha-Methylcinnamic acid
Also known as: 2-Methyl-3-phenylacrylic acid, 2-Methyl-3-phenyl-2-propenoic acid, (2E)-2-methyl-3-phenylacrylic acid, (E)-2-Methyl-3-phenylacrylic acid, α-Methylcinnamic acid, 2M3B, MFCD00002652, EINECS 214-847-0, RARECHEM AL BM 0531
alpha-Methylcinnamic acid (CAS 1199-77-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10O2 and a molecular weight of 162.185 g/mol. Key properties include a melting point of 79-81 °C(lit.), a boiling point of 288.3±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 194.4±9.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1199-77-5
- Jingsj CID
- J-35360-6
- Molecular Formula
- C10H10O2
- Molecular Weight
- 162.185 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 79-81 °C(lit.) |
|---|---|
| Boiling Point | 288.3±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 194.4±9.6 °C |
| Exact Mass | 162.068085 |
| PSA | 37.30000 |
| LogP | 2.96 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.597 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of alpha-Methylcinnamic acid?
The CAS number of alpha-Methylcinnamic acid is 1199-77-5.
What are the molecular formula and molecular weight of alpha-Methylcinnamic acid?
alpha-Methylcinnamic acid has molecular formula C10H10O2 and molecular weight 162.185 g/mol.
What are the upstream and downstream products of alpha-Methylcinnamic acid?
For alpha-Methylcinnamic acid, Upstream Products: Benzaldehyde, Propionic anhydride, Carbon dioxide; Downstream Products: 2-Methyl-1-indanone, N-Acetyl-L-phenylalanine methyl ester, β-Methylstyrene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "alpha-Methylcinnamic acid (CAS 1199-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35360-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.