di-Sodium tartrate dihydrate, for analysis, ExpertQ®, ACS
- Synonyms: Tartaric acid sodium salt dihydrate
- C4H4Na2O6·2H2O
- M = 230,08 g/mol
- CAS [6106-24-7]
- EINECS-No.: 212-773-3
- Solub. in water: (20 ºC): 290 g/l
- Melting point: 154 ºC
- LD 50 (oral, rat): 1290 mg/kg
- Tariff number: 2918 13 00 90
- Applications: analytical chemistry, laboratory reagent.
SPECIFICATIONS
assay (titration with HClO4): 99,5 - 101,0 %
insoluble in water: max. 0,005 %
pH (5 %, H2O): 7,0 - 8,0
chlorides (Cl): max. 0,0005 %
phosphates (as PO4): max. 0,0005 %
sulfates (SO4): max. 0,002 %
total nitrogen (as N): max. 0,002 %
ammonium (NH4): max. 0,003 %
calcium (Ca): max. 0,005 %
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 5 ppm
loss on drying (150 °C, min. 4h): 15,61 - 15,71 %
| Reference | Volume | ||
|---|---|---|---|
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SO07000500 | x 500 g |
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