|
product Name
|
Sodium hydroxide
|
|
|
Synonyms
|
Caustic soda; lye, caustic; sodium hydrate; soda lye; white caustic; caustic soda flakes; flake caustic; caustic soda solid; caustic soda pearls
|
|
|
Molecular Formula
|
NaOH
|
|
|
Molecular Weight
|
40
|
|
|
InChI
|
InChI=1/Na.H2O/h;1H2/q+1;/p-1/rHNaO/c1-2/h2H
|
|
|
CAS Registry Number
|
1310-73-2;8012-01-9
|
|
|
EINECS
|
215-185-5
|
|
|
Terms of venture
|
R35
|
|
|
Dangerous mark
|
C:Corrosive
|
|
|
Melting point
|
318°C
|
|
|
Boiling point
|
1390°C
|
|
|
Refractive index
|
1.473-1.475
|
|
|
Terms of safety
|
S24/25; S37/39; S45;
|
|
|
Items |
Standard
|
|
|
NaOH Content (%) ≥
|
99.00
|
|
|
Fe2O3 (%) ≤
|
0.002
|
|
|
Na2CO3(%) ≤
|
0.27
|
|
|
NaCl(%) ≤
|
0.01
|
|
Application:
It is the main raw materials for the production of soap; In the papermaking industry ,it can dissolve the impurity of the wood pulp , so that the pure fibre can be available the papermaking ; in Textile Industry it can be used in the production of the fabric ;In oil refining industry,it is used to remove the acids in the oil and improve the smell and color of the oil & petroleum products .