Potassium sodium tartrate tetrahydrate

酒石酸钾钠四水合物

Also known as: Potassium sodium L-tartrate tetrahydrate, Sodium potassium L-tartrate tetrahydrate, Rochelle salt, Seignette salt, Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate, Potassium sodium (+)-tartrate tetrahydrate, L-(+)-Tartaric acid potassium sodium salt tetrahydrate, MFCD00150989, EINECS 206-156-8

Potassium sodium tartrate tetrahydrate (CAS 6381-59-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H12KNaO10 and a molecular weight of 282.220 g/mol. It is also known as Potassium sodium L-tartrate tetrahydrate, Sodium potassium L-tartrate tetrahydrate and Rochelle salt. Key properties include a melting point of 70-80 °C, a boiling point of 399.3ºC at 760 mmHg, a density of 1.05 g/mL at 20 °C and a flash point of 209.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6381-59-5
Jingsj CID
J-36046-9
Molecular Formula
C4H12KNaO10
Chinese Name
酒石酸钾钠四水合物
Molecular Weight
282.220 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point70-80 °C
Boiling Point399.3ºC at 760 mmHg
Density1.05 g/mL at 20 °C
Flash Point209.4ºC

Frequently Asked Questions

What is the CAS number of Potassium sodium tartrate tetrahydrate?

The CAS number of Potassium sodium tartrate tetrahydrate is 6381-59-5.

What are the molecular formula and molecular weight of Potassium sodium tartrate tetrahydrate?

Potassium sodium tartrate tetrahydrate has molecular formula C4H12KNaO10 and molecular weight 282.220 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Potassium sodium tartrate tetrahydrate (CAS 6381-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36046-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.