di-Sodium L(+)-tartrate dihydrate 99.0-101.0%, crystals, BAKER ANALYZED® ACS suitable for standardization of Karl Fischer reagents, J.T.Baker®
Supplier: Avantor
Certificates
About this item
CAS Number:6106-24-7
:
Formula:NaOOC(CHOH)₂COONa·2H₂O
MDL Number:MFCD00150035
:230.08 g/mol
Merck Index:12,08833
Melting Pt:57 °C
Density:1.818 g/cm³ (20 °C)
EINECS:212-773-3
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Specification Test Results
- Meets ACS Reagent Chemical Requirements:—
- For Laboratory,Research,or Manufacturing Use:99.0 - 101.0 %
- Assay (NaOCO(CHOH)₂COONa·2H₂O):99.0 - 101.0 %
- Loss on Drying at 150°C:15.61 - 15.71 %
- pH of 5% Solution at 25°C:7.0 - 9.0
- Insoluble Matter:≤0.005 %
- Chloride (Cl):≤5 ppm
- ACS - Phosphate (PO₄):≤5 ppm
- Sulfate (SO₄):≤0.005 %
- Ammonium (NH₄):≤0.003 %
- Calcium (Ca):≤0.01 %
- ACS - Heavy Metals (as Pb):≤5 ppm
- Trace Impurities - Iron (Fe):≤0.001 %