化学助剂

  • 亚硝酸钠

亚硝酸钠

Sodium Nitrite


Molecular Formula: NaNO2  

Molecular Weight: 69.00 

CAS No.:7632-00-0
Physicochemical Properties: white or slight yellow crystal. Specific Density: 2.16820°C. It is easily soluble in water and aqueous ammonia ; while it is slightly dissolved in methanol, alcohol, and solvent ether. In addition, it shows strong hydroscopic property.


Applications and Usages: it is mostly used in manufacturing nitro-compound, azo dyestuff, dye mordant in textile coloration, bleaching agent, metal heat treatment auxiliary agent, and in pharmaceutical industry.


Product Specification:GB2367-90

 

Indexes

Superior quality grade

First Class Grade

Qualified grade

Sodium   nitritebased   on dried basis),%

99.0

98.5

98.0

Sodium   nitratebased   on dried basis),%

0.80

1.00

1.90

Chloride   based on dried basis),%

0.10

0.17

---

Water   content%

1.4

2.0

2.5

Water   insolublebased   on dried basis),%

0.05

0.06

0.10

Packaging: inside lining is PE film bag and outside is PP knitting bag, 25kg/bag,50 kg/bag.

 

 


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