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等级
ACS reagent
质量水平
Agency
suitable for SM 5210
方案
≥98.0%
表单
powder or crystals
杂质
Free acid, passes test
≤0.005% insolubles
≤0.03 meq/g Titr. free base
pH值（酸碱度）
9.0-10.5 (25 °C, 126 g/L)
溶解性
water: soluble 126 g/L at 20 °C
痕量阴离子
chloride (Cl-): ≤0.02%
痕量阳离子
Fe: ≤0.001%
heavy metals (as Pb): ≤0.001%
SMILES字符串
[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 key
GEHJYWRUCIMESM-UHFFFAOYSA-L
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一般描述
亚硫酸钠是一种水溶性无机盐，常用作还原剂。它还用于磺化和磺甲基化反应。此外，它在纺织工业中用作漂白剂、脱硫剂和脱氯剂。在水处理过程，Na2SO3 被用作氧气和游离氯清除剂。亚硫酸钠通过与醛和酮形成加合物参与醛和酮的纯化和分离。其他用途包括生产硫代硫酸钠、洗涤剂和染料。
应用
亚硫酸钠可被用于：
- 芳基硼酸和芳基硼酸酯羟基化成相应酚类的还原剂。
- 将 α-氨基醇甲磺酸盐盐酸盐转化为 α-氨基磺酸钠过程中。
- 作为 SO2 前体用于多克合成DABCO（SO2）2 ，其缩写为DABSO。
储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
从最新的版本中选择一种：
分析证书(COA)
Lot/Batch Number
New plasticizers for wheat gluten films.
Irissin-Mangata J, et al.
European Polymer Journal, 37(8), 1533-1541 (2001)
Reaction kinetics of sodium sulfite oxidation by the rapid-mixing method.
Barron CH and O'Hern HA.
Chemical Engineering Science, 21(5), 397-404 (1966)
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Amber R Boles et al.
Biotechnology and bioengineering, 109(3), 637-646 (2011-10-22)
A novel sulfur-utilizing perchlorate reducing bacterial consortium successfully treated perchlorate (ClO₄⁻) in prior batch and bench-scale packed bed reactor (PBR) studies. This study examined the scale up of this process for treatment of water from a ClO ₄⁻ and RDX contaminated
Qiang Yang et al.
Bioresource technology, 126, 336-340 (2012-11-06)
Agave americana is one of commonly grown agave species but currently less valuable because its large flower stalk cannot be used for producing alcoholic beverage. In the present study, the stalk was pretreated with dilute acid (DA), sulfite (SPORL), and
相关内容
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