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Potassium sodium tartrate tetrahydrate

Also known as: Rochelle salt, Seignette salt, Sodium potassium tartrate, Potassium sodium (2R,3R)-2,3-dihydroxybutanedioate tetrahydrate, L-(+)-Tartaric acid potassium sodium salt tetrahydrate, D-Potassiumsodiumtartrate

Potassium sodium tartrate tetrahydrate (CAS 304-59-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4KNaO6 and a molecular weight of 210.15800 g/mol. Key properties include a melting point of 70~80℃, a boiling point of 100 °C, a density of 1.24 and a flash point of 209.4ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
304-59-6
Jingsj CID
J-18994-6
Molecular Formula
C4H4KNaO6
Molecular Weight
210.15800 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Melting Point70~80℃
Boiling Point100 °C
Density1.24
Flash Point209.4ºC
Exact Mass281.996521
PSA120.72000

Customs & Trade Information

HS Code2918130000
Summary2918130000 salts and esters of tartaric acid。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Potassium sodium tartrate tetrahydrate?

The CAS number of Potassium sodium tartrate tetrahydrate is 304-59-6.

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

Potassium sodium tartrate tetrahydrate has molecular formula C4H4KNaO6 and molecular weight 210.15800 g/mol.

What are the upstream and downstream products of Potassium sodium tartrate tetrahydrate?

For Potassium sodium tartrate tetrahydrate, Downstream Products: (2,4-Dimethylthiazol-5-yl)methanol, 4-Piperidinemethanol,1-(1-methylethyl)-, 2-Methyl-5-(trifluoromethyl)pyridine.

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

Last updated:

How to cite: Jingsj. "Potassium sodium tartrate tetrahydrate (CAS 304-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18994-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.