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Merck
CN

S7143

Sigma-Aldrich

硫代硫酸钠 五水合物

ACS reagent, pH 6.0-8.4 (25 °C, 5% in solution), 99.5-101.0%

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关于此项目

线性分子式:
Na2S2O3 · 5H2O
化学文摘社编号:
分子量:
248.18
EC 号:
MDL编号:
UNSPSC代码:
12352200
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等级

ACS reagent

方案

99.5-101.0%

杂质

≤0.002% Nitrogen compounds (as N)
≤0.005% Insoluble matter

pH值(酸碱度)

6.0-8.4 (25 °C, 5% in solution)

痕量阴离子

sulfate, sulfite (as SO42-): ≤0.1%
sulfide (S2-): passes test (limit about 1 ppm)

SMILES字符串

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

InChI

1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2

InChI key

PODWXQQNRWNDGD-UHFFFAOYSA-L

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储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

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