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HS-CODE
34-
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Detailed Description
Formula：NaOH
Molecular weight：40.01
CASRN ：1310-73-2
Density：2.130克/厘米3
Melting point ：318.4℃
boiling point：1390℃
Solubel：very solubel ,Solution was colorless
Base dissociation constant(kb)=3.0
Base dissociation constants of the countdown to the number of(pkb)=-0.48
Property ：Have a strong corrosion, water absorption, can be used as desiccant，But it can not dry sulfur dioxide, acid gases such as carbon dioxide and hydrogen chloride.And easy to deliquescence in the air (due to water absorption and dissolution of the phenomenon, belonging to the physical changes).Soluble in water, while a large number of heat release.In addition to soluble to water, also soluble in ethanol, glycerol, but insoluble in ether, acetone, ammonia.
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