P

Potassium sodium tartrate

IUPAC: potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate

C4H4KNaO6 Salts CAS 304-59-6
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Quick Reference
Formula / NotationC4H4KNaO6
CAS Number304-59-6
Molecular Weight210.16
Melting Point70-80 °C
Boiling Point200 °C
DensityDensity: 1.77 (Air=1)
Solubility1 gram is soluble in 1 ml of water, insoluble in ethanol
AppearanceColourless crystals or white crystalline powder
Also Known Aspotassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate; Rochelle salt; Seignette salt; SODIUM POTASSIUM TARTRATE; 304-59-6; Monopotassium monosodium tartrate; Sodium potassium L-tartrate; Potassium sodium L(+)-tartrate; Potassium sodium tartrate anhydrous; Tartaric acid, monopotassium monosodium salt
CategorySalts

What is Potassium sodium tartrate?

Potassium sodium L-tartrate is the organic sodium and potassium salt of L-tartaric acid (mol ratio 1:1:1). It has a role as a laxative. It is a potassium salt and an organic sodium salt. It contains a L-tartrate(2-).

Formula & Notation

C4H4KNaO6

IUPAC Name: potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate

Other Names / Synonyms: potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate; Rochelle salt; Seignette salt; SODIUM POTASSIUM TARTRATE; 304-59-6; Monopotassium monosodium tartrate; Sodium potassium L-tartrate; Potassium sodium L(+)-tartrate; Potassium sodium tartrate anhydrous; Tartaric acid, monopotassium monosodium salt

Properties & Characteristics

Appearance: Colourless crystals or white crystalline powder. Molecular formula: C4H4KNaO6. Molecular weight: 210.16 g/mol. Boiling point: 200 °C. Melting point: 70-80 °C. Density: Density: 1.77 (Air=1). Solubility: 1 gram is soluble in 1 ml of water, insoluble in ethanol.

Physical Data

PropertyValue
Melting Point70-80 °C
Boiling Point200 °C
DensityDensity: 1.77 (Air=1)
Molecular Weight210.16
Solubility1 gram is soluble in 1 ml of water, insoluble in ethanol
AppearanceColourless crystals or white crystalline powder

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Potassium sodium tartrate
Formula C4H4KNaO6
CAS Number 304-59-6
Molecular Weight 210.16
Category Salts
Index All "P" terms
Synonyms potassium;sodium;(2R,3R)-2,3-dihydroxybutanedioate; Rochelle salt; Seignette salt; SODIUM POTASSIUM TARTRATE; 304-59-6; Monopotassium monosodium tartrate; Sodium potassium L-tartrate; Potassium sodium L(+)-tartrate; Potassium sodium tartrate anhydrous; Tartaric acid, monopotassium monosodium salt

Frequently Asked Questions

Potassium sodium L-tartrate is the organic sodium and potassium salt of L-tartaric acid (mol ratio 1:1:1). It has a role as a laxative. It is a potassium salt and an organic sodium salt. It contains a L-tartrate(2-).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/potassium-sodium-tartrate

For educational purposes only. Verify all information before use.