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Merck
CN

799394

Sigma-Aldrich

亚硫酸氢钠

anhydrous, free-flowing, Redi-Dri, ACS reagent

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别名:
酸式亚硫酸钠
经验公式(希尔记法):
NaHSO3
CAS号:
分子量:
104.06
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent
anhydrous

质量水平

产品线

Redi-Dri

形式

powder

质量

free-flowing

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

亚硫酸氢钠是一种无机钠盐,通常被用作pH调节剂和还原剂。它被用作形成C-O和C-C键的廉价催化剂。

法律信息

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

象形图

Exclamation mark

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

分析证书(COA)

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商品

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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