trans-3-Hydroxycinnamic acid
Also known as: m-Coumaric acid, 3-(3-Hydroxyphenyl)acrylic acid, trans-m-Coumaric acid, (E)-3-(3-Hydroxyphenyl)prop-2-enoic acid, 3-Hydroxycinnamic acid, MFCD00004390, RARECHEM BK HC T323, EINECS 209-615-0
trans-3-Hydroxycinnamic acid (CAS 14755-02-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8O3 and a molecular weight of 164.158 g/mol. Key properties include a melting point of 193-195 °C(lit.), a boiling point of 373.2±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 193.7±19.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14755-02-3
- Jingsj CID
- J-31017-8
- Molecular Formula
- C9H8O3
- Molecular Weight
- 164.158 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 193-195 °C(lit.) |
|---|---|
| Boiling Point | 373.2±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 193.7±19.7 °C |
| Exact Mass | 164.047348 |
| PSA | 57.53000 |
| LogP | 1.83 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.660 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. José Teixeira, et al. Hydroxycinnamic Acid Antioxidants: An Electrochemical Overview. BioMed Research International. 2013. 18 June. |
|---|
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of trans-3-Hydroxycinnamic acid?
The CAS number of trans-3-Hydroxycinnamic acid is 14755-02-3.
What are the molecular formula and molecular weight of trans-3-Hydroxycinnamic acid?
trans-3-Hydroxycinnamic acid has molecular formula C9H8O3 and molecular weight 164.158 g/mol.
Is trans-3-Hydroxycinnamic acid hazardous?
trans-3-Hydroxycinnamic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of trans-3-Hydroxycinnamic acid?
For trans-3-Hydroxycinnamic acid, Downstream Products: 5-Hydroxy-1-indanone, 3-Acetoxycinnamic acid, Caffeic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-3-Hydroxycinnamic acid (CAS 14755-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31017-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.