3-Hydroxypropionic acid
3-羟基丙酸
Also known as: Hydracrylic acid, β-Hydroxypropionic acid, β-Lactic acid, 3-Hydroxypropanoic acid, Propanoic acid, 3-hydroxy-, 2-Deoxyglyceric acid, Ethylene lactic acid, UNII:C4ZF6XLD2X, EINECS 207-974-8
3-Hydroxypropionic acid (CAS 503-66-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6O3 and a molecular weight of 90.078 g/mol. It is also known as Hydracrylic acid, β-Hydroxypropionic acid and β-Lactic acid. Key properties include a melting point of <25ºC, a boiling point of 279.7±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 137.2±19.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 503-66-2
- Jingsj CID
- J-20122-7
- Molecular Formula
- C3H6O3
- Chinese Name
- 3-羟基丙酸
- Molecular Weight
- 90.078 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <25ºC |
|---|---|
| Boiling Point | 279.7±23.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 137.2±19.1 °C |
Frequently Asked Questions
What is the CAS number of 3-Hydroxypropionic acid?
The CAS number of 3-Hydroxypropionic acid is 503-66-2.
What are the molecular formula and molecular weight of 3-Hydroxypropionic acid?
3-Hydroxypropionic acid has molecular formula C3H6O3 and molecular weight 90.078 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Hydroxypropionic acid (CAS 503-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20122-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.