3-(4-Methylbenzoyl)acrylic acid
Also known as: 3-(4-Methylbenzoyl)acrylic acid, (E)-4-(4-Methylphenyl)-4-oxo-2-butenoic acid, (2E)-4-(4-Methylphenyl)-4-oxobut-2-enoic acid, 4-oxo-4-p-tolyl-trans-crotonic acid, trans-3-(4-Methylbenzoyl)acrylic acid, 3-(4-Methyl benzoyl)acrylic acid, AKOS BBS-00002156, MFCD00075338, AURORA 23286, OTAVA-BB BB7110952593
3-(4-Methylbenzoyl)acrylic acid (CAS 20972-36-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H10O3 and a molecular weight of 190.19500 g/mol. Key properties include a melting point of 138-140 °C(lit.), a boiling point of 361.8ºC at 760 mmHg, a density of 1.2g/cm3 and a flash point of 186.8ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20972-36-5
- Jingsj CID
- J-47430-6
- Molecular Formula
- C11H10O3
- Molecular Weight
- 190.19500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 138-140 °C(lit.) |
|---|---|
| Boiling Point | 361.8ºC at 760 mmHg |
| Density | 1.2g/cm3 |
| Flash Point | 186.8ºC |
| Exact Mass | 190.06300 |
| PSA | 54.37000 |
| LogP | 1.81850 |
| Vapor Pressure | 7.24E-06mmHg at 25°C |
| Refractive Index | 1.569 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-(4-Methylbenzoyl)acrylic acid?
The CAS number of 3-(4-Methylbenzoyl)acrylic acid is 20972-36-5.
What are the molecular formula and molecular weight of 3-(4-Methylbenzoyl)acrylic acid?
3-(4-Methylbenzoyl)acrylic acid has molecular formula C11H10O3 and molecular weight 190.19500 g/mol.
Is 3-(4-Methylbenzoyl)acrylic acid hazardous?
3-(4-Methylbenzoyl)acrylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(4-Methylbenzoyl)acrylic acid (CAS 20972-36-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47430-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.