Sodium hydroxide 1310-73-2


Product Deail


Sodium hydroxide

Another name】Caustic soda;Pianjian; Grain of alkali.

【Description】White uniform granular or flake solid, delidelizing, density 2.130, melting point 318.4℃, boiling point 1390℃. Easy to absorb water and carbon dioxide in the air, soluble in water, soluble in ethanol and glycerol, insoluble in propanol, ether, disproportionation reaction with chlorine, bromine, iodine and other halogens, neutralization with acids and generate salt and water.

Test items

GR

AR

CP

Other

Assay(NaOH) /%

≥98.0

≥96.0

≥95.0

Custom

Carbonate(as Na2CO3) /%

≤1.0

≤1.5

≤3.0

Clarity of solution

Passes test

Passes test

Passes test

Chloride(Cl) /%

≤0.002

≤0.005

≤0.01

Sulfate(SO4) /%

≤0.002

≤0.005

≤0.02

Total nitrogen(N) /%

≤0.000 5

≤0.001

≤0.002

Phosphate(PO4) /%

≤0.000 5

≤0.001

≤0.002

Silicate(SiO3) /%

≤0.005

≤0.01

≤0.05

Magnesium(Mg) /%

≤0.000 5

-

-

Aluminum(Al) /%

≤0.001

≤0.002

≤0.005

Potassium(K) /%

≤0.02

≤0.05

-

Calcium(Ca) /%

≤0.002

≤0.01

≤0.05

Iron(Fe) /%

≤0.000 5

≤0.001

≤0.002

Nickel(Ni) /%

≤0.001

-

-

Zinc(Zn) /%

≤0.001

-

-

Arsenic(As) /%

≤0.000 1

-

-

Heavy metals (as Pb) /%

≤0.001

≤0.003

≤0.003

Use】Used for papermaking; Soap; Fuel;Rayon; Smelting metal; Petroleum refining; Cotton finishing; Purification of coal tar products; Food processing; Wood processing; Machinery industry; Preparation of sodium salt; Inorganic synthesis.