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Merck

13471

Sigma-Aldrich

亚硫酸钠

puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)

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About This Item

线性分子式:
Na2SO3
CAS号:
分子量:
126.04
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.22

等級

puriss.

化驗

95.0-100.0% (iodometric)

形狀

solid

品質

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

雜質

residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.05% thiosulfate (S2O3)

pH值

9.0-10.5 (25 °C, 126 g/L)

負離子痕跡

chloride (Cl-): ≤200 mg/kg

正離子痕跡

Fe: ≤10 mg/kg
Se: ≤10 mg/kg
Zn: ≤10 mg/kg

適合性

complies for appearance of solution

SMILES 字串

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

InChI

1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

InChI 密鑰

GEHJYWRUCIMESM-UHFFFAOYSA-L

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安全危害

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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