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CAS RN: 6381-59-5 | Product Number: P1798

Potassium Sodium L-(+)-Tartrate Tetrahydrate

Purity: >98.0%(T)
  • L-(+)-Tartaric Acid Potassium Sodium Salt Tetrahydrate
  • Rochelle Salt Tetrahydrate
  • Seignette Salt Tetrahydrate
4   6   ≥20 
2   1   19  
2   2   7  

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Product Number P1798
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__4H__4O__6KNa·4H__2O = 282.22  
Physical State (20 deg.C) Solid
CAS RN 6381-59-5
Reaxys Registry Number 6113568
PubChem Substance ID 87560551
SDBS (AIST Spectral DB) 52405
MDL Number


Appearance White to Almost white powder to crystaline
Purity(Nonaqueous Titration) min. 98.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +19.0 to +25.0 deg(C=10, H2O)
Water 22.0 to 26.0 %
Properties (reference)
Melting Point 80 °C
Specific Rotation 22° (C=10,H2O)
Solubility in water Soluble
Related Laws:
Transport Information:
HS Number 2933.49.7000
PubMed Literature


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