L(+)-Potassium hydrogen tartrate, Certipur® certified secondary standard reference material for pH measurement, directly traceable to primary reference material (SRM) from NIST/PTB, Supelco®

Supplier: MilliporeSigma

Synonyms: Potassium hydrogen L-tartratePotassium acid tartrateL(+)-Tartaric acid potassium saltPotassium Bitartrate(R,R)-(+)-Tartaric acid potassium saltPotassium (2R,3R)-3-carboxy-2,3-dihydroxypropanoate

1.01963.0025 1.01963.0025
EM1.01963.0025CS 10529 USD
EM1.01963.0025 CA1.01963.0025
L(+)-Potassium hydrogen tartrate, Certipur® certified secondary standard reference material for pH measurement, directly traceable to primary reference material (SRM) from NIST/PTB, Supelco®
L(+)-Potassium hydrogen tartrate
Formula: KOOC(CHOH)₂COOH
MW: 188.18 g/mol
Melting Pt: 250 °C
Density: 1.943 g/cm³ (20 °C)
MDL Number: MFCD00065392
CAS Number: 868-14-4
EINECS: 212-769-1
Merck Index: 12,07776
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Specification Test Results

Solubility 5.7 g/l (20 °C)
Melting Point 250 °C (decomposition)
Molar Mass 188.17 g/mol
Bulk Density 720 kg/m3
pH 3.4 - 3.7 (H2O, 20 °C) (saturated solution)

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