等级
ACS reagent
质量水平
形式
powder or crystals
浓度
≥58.5% SO2
杂质
≤0.005% insolubles
pH值(酸碱度)
4.3 (10 g/L)
痕量阴离子
chloride (Cl-): ≤0.02%
痕量阳离子
Fe: ≤0.002%
heavy metals (as Pb): ≤0.001%
SMILES字符串
[Na+].OS([O-])=O
InChI
1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-2
InChI key
DWAQJAXMDSEUJJ-UHFFFAOYSA-L
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一般描述
亚硫酸氢钠的水溶液性质是酸性的。用酸降解亚硫酸氢钠形成二氧化硫气体。
由于亚硫酸氢钠的抗氧化和抗菌作用,它是一种应用广泛的工业化学品,它可被用作还原剂、催化剂和防腐剂。
应用
亚硫酸氢钠可被用作:
- 由芳香族和脂肪族醛合成醛-亚硫酸氢盐加合物的试剂。
- 芳香族/脂肪醇无溶剂醚化通过分子间脱水合成对称和不对称醚的催化剂。
- 铜催化酮肟羧酸盐自偶联合成对称吡咯的添加剂。
亚硫酸氢钠(NaHSO3)已用作组成免疫沉淀(IP)缓冲液的试剂,用于化学修饰 DNA 和合成砷脂(AsL)。
它还可用作合成 5,6-二氢尿嘧啶-6 的试剂磺酸盐。
它还可用作合成 5,6-二氢尿嘧啶-6 的试剂磺酸盐。
警示用语:
Warning
危险声明
危险分类
Acute Tox. 4 Oral - Eye Irrit. 2
补充剂危害
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
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