Potassium 4-hydroxybenzoate
对羟基苯甲酸钾
Also known as: 4-hydroxybenzoic acid potassium salt, potassium p-hydroxybenzoate, monopotassium p-hydroxybenzoate, monopotassium para-hydroxybenzoate, potassium paraben, potassium parahydroxybenzoate, EINECS 240-830-2, p-hydroxybenzoic acid monopotassium salt, benzoic acid, 4-hydroxy-, potassium salt (1:1)
Potassium 4-hydroxybenzoate (CAS 16782-08-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5KO3 and a molecular weight of 176.21100 g/mol. It is also known as 4-hydroxybenzoic acid potassium salt, potassium p-hydroxybenzoate and monopotassium p-hydroxybenzoate. Key properties include a melting point of 214.5ºC, a boiling point of 336.2ºC at 760mmHg, a density of 1.375g/cm3 and a flash point of 171.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16782-08-4
- Jingsj CID
- J-1497492-6
- Molecular Formula
- C7H5KO3
- Chinese Name
- 对羟基苯甲酸钾
- Molecular Weight
- 176.21100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 214.5ºC |
|---|---|
| Boiling Point | 336.2ºC at 760mmHg |
| Density | 1.375g/cm3 |
| Flash Point | 171.3ºC |
Frequently Asked Questions
What is the CAS number of Potassium 4-hydroxybenzoate?
The CAS number of Potassium 4-hydroxybenzoate is 16782-08-4.
What are the molecular formula and molecular weight of Potassium 4-hydroxybenzoate?
Potassium 4-hydroxybenzoate has molecular formula C7H5KO3 and molecular weight 176.21100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium 4-hydroxybenzoate (CAS 16782-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497492-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.