S0505
亚硫酸钠
≥98%
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关于此项目
线性分子式:
Na2SO3
化学文摘社编号:
分子量:
126.04
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-821-4
MDL number:
Assay:
≥98%
Form:
powder or crystals
产品名称
亚硫酸钠, ≥98%
InChI key
GEHJYWRUCIMESM-UHFFFAOYSA-L
InChI
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[O-]S([O-])=O
agency
suitable for SM 5210
assay
≥98%
form
powder or crystals
pH
9.0-10.5 (25 °C, 126 g/L)
Quality Level
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Application
亚硫酸钠可用作：
与羧酸结合，形成芳香硝基化合物还原性酰化的有效体系。
- 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。
General description
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。
supp_hazards
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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