等级

puriss.

质量水平

200

方案

99.5-100.5% (ex dried subst.)

表单

powder or crystals

质量

meets analytical specification of Ph. Eur., BP, NF, FCC, E500

杂质

alkali hydroxides and-bicarbonates, complies
organic volatile impurities, complies (GC)
residual solvents, complies

缺失

12-15% loss on drying, 300 °C

痕量阴离子

chloride (Cl^-): ≤50 mg/kg
sulfate (SO₄^2-): ≤100 mg/kg

痕量阳离子

As: ≤2 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤300 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg

适用性

complies for appearance of solution

SMILES字符串

O.[Na+].[Na+].[O-]C([O-])=O

InChI

1S/CH2O3.2Na.H2O/c2-1(3)4;;;/h(H2,2,3,4);;;1H2/q;2*+1;/p-2

InChI key

MQRJBSHKWOFOGF-UHFFFAOYSA-L