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S0505

Sigma-Aldrich

亚硫酸钠

≥98%

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About This Item

線性公式:
Na2SO3
CAS號碼:
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.55

agency

suitable for SM 5210

化驗

≥98%

形狀

powder or crystals

pH值

9.0-10.5 (25 °C, 126 g/L)

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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一般說明

亚硫酸钠是一种水溶性无机盐,通常用作磺化和硫甲基化反应的试剂。此外,它也被用作漂白剂、除硫剂和脱氯剂。

應用

亚硫酸钠可用作:      
  • 二氧化硫(SO2)的来源,用于合成 1,4重氮杂环[2.2.2]辛烷二(二氧化硫)(DABSO)。      
  • 还原剂,在 Ir 基催化剂环境下通过 2-异氰基硫醚光催化环化合成含 2-CF2/CF3 的苯并噻唑。     
  • 试剂,在 NaIO3/HCl 环境下,从 2-萘胺选择性合成 2-氨基-1-碘萘。

与羧酸结合,形成芳香硝基化合物还原性酰化的有效体系。

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


分析證明 (COA)

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