Tropic acid
Also known as: DL-Tropic acid, DL-3-Hydroxy-2-phenylpropionic acid, 2-Phenylhydracrylic acid, 3-Hydroxy-2-phenylpropionic acid, alpha-(Hydroxymethyl)benzeneacetic acid, Tropate, 2-Phenyl-3-hydroxypropanoic acid, alpha-Phenyl-beta-hydroxypropionic acid, Tropaic acid, Tropeic acid, Tropicamide impurity C, Ipratropium Bromide Impurity 3
Tropic acid (CAS 529-64-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9O3 and a molecular weight of 166.174 g/mol. Key properties include a melting point of 116-118 °C(lit.), a boiling point of 322.5±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 163.1±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 529-64-6
- Jingsj CID
- J-44234-2
- Molecular Formula
- C9H9O3
- Molecular Weight
- 166.174 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 116-118 °C(lit.) |
|---|---|
| Boiling Point | 322.5±30.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 163.1±21.1 °C |
| Exact Mass | 166.062988 |
| PSA | 57.53000 |
| LogP | 0.28 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.576 |
| Additional Property | 20 g/L (20 ºC) |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tropic acid?
The CAS number of Tropic acid is 529-64-6.
What are the molecular formula and molecular weight of Tropic acid?
Tropic acid has molecular formula C9H9O3 and molecular weight 166.174 g/mol.
What are the upstream and downstream products of Tropic acid?
For Tropic acid, Upstream Products: 2,2-Dimethyl-5-phenyl-1,3-dioxane-4,6-dione, 2-Phenyl-1,3-propanediol, Formaldehyde; Downstream Products: Atropic acid, Atropine, Acetyltropylic chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tropic acid (CAS 529-64-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44234-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.