di-Sodium oxalate, EssentQ®
- Synonyms: Oxalic acid sodium salt, Soerensen's buffer substances
- Na2C2O4
- M = 134,01 g/mol
- CAS [62-76-0]
- EINECS-No.: 200-550-3
- Solub. in water: (20 ºC): 37 g/l
- Melting point: 250 - 270 ºC (decomposes)
- LD 50 (oral, rat): 7500 mg/kg (oxalic acid)
- EC-Index-No.: 607-007-00-3
- GHS-signal word: Warning
- GHS-H sentences: H302 - H312
- GHS-P sentences: P280 - P264 - P270 - P321 - P301+P312 - P501a
- Tariff number: 2917 11 00 99
- Applications: analytical chemistry, reference material.
- Appearance: White solid
SPECIFICATIONS
assay (permanganometric): min. 99 %
insoluble in water: max. 0,025 %
chlorides (Cl): max. 0,01 %
sulfates (SO4): max. 0,01 %
ammonium (NH4): max. 0,005 %
copper (Cu): max. 0,003 %
iron (Fe): max. 0,003 %
lead (Pb): max. 0,003 %
nickel (Ni): max. 0,003 %
| Reference | Volume | ||
|---|---|---|---|
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SO05290500 | x 500 g |
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