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Molecular Formula:  NaNO2
Molecule Weight:  69.0
CAS NO.: 7632-00-0
Appearance: White  or light yellow Fine Crystal
Specification:

Item	Quality    Index
	High-Class	First-Class	Qualified Class
Purity	99.0% min	98.5% min	98.0% min
Moisture :	1.4% max	2.0% max	2.5% max
Chlorides ( As NaCL )	0.10% max	0.15% max	----
Sodium nitrate	0.8% max	1.0% max	1.5% max
Water insolubles	0.05% max	0.06% max	0.10% max

Property:  White  or a little buff fine crystal. The relative molecular weight is 69.0 and  density is 2.168. It’s no smell and a little saline taste, easy to be  deliquescence and to dissolve in water. The melting point is 271°C and  decomposition temperature is 320°C. It has the strong oxidizing property, as  well as reducing property. It can slowly oxidize into sodium nitrite in the  air, and will become diamino compound composed with ammonia under low  temperature.