Potassium tartrate
酒石酸钾
Also known as: Dipotassium tartrate, L-(+)-tartaric acid dipotassium salt, Potassium L-tartrate, Dipotassium L-tartrate, Potassium tartrate hemihydrate
Potassium tartrate (CAS 921-53-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5KO6 and a molecular weight of 188.177 g/mol. It is also known as Dipotassium tartrate, L-(+)-tartaric acid dipotassium salt and Potassium L-tartrate. Key properties include a melting point of 155 °C, a boiling point of 399.3ºC at 760mmHg, a density of 1.98 and a flash point of 209.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 921-53-9
- Jingsj CID
- J-37431-8
- Molecular Formula
- C4H5KO6
- Chinese Name
- 酒石酸钾
- Molecular Weight
- 188.177 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155 °C |
|---|---|
| Boiling Point | 399.3ºC at 760mmHg |
| Density | 1.98 |
| Flash Point | 209.4ºC |
Frequently Asked Questions
What is the CAS number of Potassium tartrate?
The CAS number of Potassium tartrate is 921-53-9.
What are the molecular formula and molecular weight of Potassium tartrate?
Potassium tartrate has molecular formula C4H5KO6 and molecular weight 188.177 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium tartrate (CAS 921-53-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37431-8 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.