等级

ACS reagent
anhydrous

质量水平

200

方案

≥99.0%

表单

powder

杂质

≤0.01% insolubles
≤5 ppm N compounds

缺失

≤0.5% loss on ignition

pH值（酸碱度）

5.2-9.2 (25 °C, 5% in water)
5.2-9.2

mp

884 °C (lit.)

密度

2.68 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤0.001%
phosphate (PO₄^3-): ≤0.001%

痕量阳离子

Ca: ≤0.002%
Fe: ≤0.001%
K: ≤0.002%
Mg: ≤0.001%
heavy metals: ≤5 ppm (by ICP-OES)

SMILES字符串

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

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L