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Sodium nitrite

Sodium nitrite

Identification

Name

 

Sodium nitrite

Molecular Formula

 

NaNO2

Molecular Weight

 

68.99

CAS Registry Number

 

7632-00-0

EINECS

 

231-555-9

 

 

 

Properties

 

Density

 

2.168

Melting point

 

271 ºC

Boiling point

 

320 ºC

Water solubility

 

820 g/L (20 ºC)

 

 

 Property:
its appearance is 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 nitrate in the air, and will become diamino compound with ammonia under low temperature.
  Application: This kind of product is mainly used as the raw material of productions of nitro compound and aoze dyes, etc. It is also used as mordant and bleacher for fabric dyeing, as well as metal heat treatment agent, early---strength admixture and antifreeze of cement.
  Notice:
1. This product shall be stored in the place where keep ventilation and dry against rain, heated and issolation under sunlight.
2. This product shall be not be delivered or stored together with strong reducing agent, inflammable and detonatable substances, food, feed and additives.
3. This product is venomousness. Please keep it safely. Don’t eat it mistakenly.

 

Item

Index

Best quality

First quality

Qualified quality

Content of Sodium nitrate

(calculated by dry base)%      >=

99.0

98.5

98.0

Content of Sodium nitrite

(calculated by dry base)%         <=

0.80

1.00

1.90

Content of Chloride (Nacl) 

(calculated by dry base)%        <=

0.10

0.17

___

Content of insolubles in water

(calculated by dry base)         <=

0.05

0.06

0.10

Moisture                      <=

1.4

2.0

2.5