Potassium hydrogen phthalate
邻苯二甲酸氢钾
Also known as: Potassium hydrogen phthalate, KHP, Potassium phthalate (2:1), Phthalic acid, potassium salt (1:?), Dipotassium phthalate
Potassium hydrogen phthalate (CAS 29801-94-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5KO4 and a molecular weight of 204.22100 g/mol. It is also known as KHP, Potassium phthalate (2:1) and Phthalic acid, potassium salt (1:?). Key properties include a melting point of 295-300ºC (dec.)(lit.), a boiling point of 378.3ºC at 760mmHg, a density of 1.451g/cm3 and a flash point of 196.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29801-94-3
- Jingsj CID
- J-1004039-7
- Molecular Formula
- C8H5KO4
- Chinese Name
- 邻苯二甲酸氢钾
- Molecular Weight
- 204.22100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 295-300ºC (dec.)(lit.) |
|---|---|
| Boiling Point | 378.3ºC at 760mmHg |
| Density | 1.451g/cm3 |
| Flash Point | 196.7ºC |
Frequently Asked Questions
What is the CAS number of Potassium hydrogen phthalate?
The CAS number of Potassium hydrogen phthalate is 29801-94-3.
What are the molecular formula and molecular weight of Potassium hydrogen phthalate?
Potassium hydrogen phthalate has molecular formula C8H5KO4 and molecular weight 204.22100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium hydrogen phthalate (CAS 29801-94-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1004039-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.