中 文   |   English
Sodium borate

Sodium borate

Chemical Name: Sodium borate
Another Name: Borax
Molecular Formula: Na2B4O7·10H2O
Molecular Weight: 381.37
CAS No. : 1303-96-4
Standard Executed: GB/T 537-2009

Appearance
White fine crystals.

Application
• Used in glass industry, manufacturing optical glass and heat-resistant and corrosion-resistant glass; used as enamel and ceramic industry glaze;
• Used as a filler in laundry detergents and soaps;
• Used as a boron fertilizer and as a herbicide and fungicide in agriculture;
• Used as a sterilizing agent in medicine.

Packing
• Net weight : 25kg;
• PP woven bag, with inner PE plastic bag.

Specification

Item

Standard

Superior-grade

First-grade

Content (Na2B4O7·10H2O)ω/%        ≥ 

99.5

95.0

Carbonate (as CO3) ω/%               ≤

0.1

0.2

Water insoluble matter ω/%            ≤

0.04

0.04

Sulfate (as SO4) ω/%                 ≤

0.1

0.2

Chloride (as NaCl) ω/%               ≤

0.03

0.05

Iron (as Fe) ω/%                     ≤

0.002

0.005

【BACK】

Previous :Sodium Lignosulfonate
Next:Zinc sulfate