Sodium Sulfate Anhydrous

Chemical Name: Sodium Sulfate Anhydrous
Molecular Formula: Na₂SO₄
Molecular Weight: 142.04
CAS No.: 7757-82-6
Standard Executed: GB/T 6009-2014

Appearance
White crystalline powder

Application
• Used as filler for synthetic detergents.
• Used in paper, glass, printing and dyeing industries and other chemical industries;
• It is also used in the manufacture of synthetic fibers, leather tanning, non-ferrous metallurgy, porcelain enamel etc..

Packing
• Net weight : 25,50,1000kg;
• PP woven bag, with inner PE plastic bag.

Specification

Item	Standard
Item	Superior-grade	First-grade
Sodium sulfate (Na₂SO₄) ω/% ≥	99.6	99.0
Water insoluble matter ω/% ≥	0.005	0.05
Calcium and magnesium in Mg ω/% ≤	--	0.15
Calcium (Ca) ω/% ≤	0.01	---
Magnesium (Mg) ω/% ≤	0.01	---
Chloride (as Cl) ω/% ≤	0.05	0.35
Iron (Fe) ω/% ≤	0.0005	0.002
Moisture ω/% ≤	0.05	0.20
Whiteness (R457)ω/% ≥	88	82
PH (50g/L aqueous solution, 25°C)	5-8	---

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