L(+)-Potassium sodium tartrate tetrahydrate ≥99.0%, white crystalline powder ACS

: Potassium sodium tartrate tetrahydrate, Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate, Potassium sodium L(+)-tartrate tetrahydrate, Sodium potassium tartrate, (R,R)-(+)-Tartaric acid potassium sodium salt tetrahydrate, (R,R)-(+)-Potassium sodium tartrate tetrahydrate, Rochelle salt, L(+)-Tartaric acid potassium sodium salt tetrahydrate, (+)-Potassium sodium L-tartrate tetrahydrate

:6381-59-5

:KOOC(CHOH)₂COONa·4H₂O

:MFCD00150989

:282.22 g/mol

:399.3 °C (760 mmHg)) (lit.)

:70 °C (lit.)

:1.05 g/mL (20 °C) (lit.)

:Ambient

Environmentally Preferable:

Assay (non-aq titr):
≥99.0%
pH (5% aq soln):
6.0-8.5
Insoluble Matter:
≤0.005%
Chloride:
≤0.001%
Phosphate:
≤0.002%
Sulfate:
≤0.005%
Ammonium:
≤0.002%
Calcium:
≤0.005%
Heavy Metals:
≤5ppm
Iron:
≤0.001%