Sodium Carbonate

CAS No.: 497-19-8

Molecular Formula: Na₂CO₃

Molecular Weight: 105.99

Description: Sodium carbonate, also known as soda ash or washing soda, is an inorganic compound widely used in glass manufacturing, detergents, and water treatment.

Main Applications:

Used in glass production, detergents, textile processing, and as a pH regulator in water treatment.

Snowhite Sodium Carbonate products are classified into:

• Sodium Carbonate tech grade
• Sodium Carbonate food grade

Typical Properties:

Property	Value
Appearance	White crystalline powder or granular
Assay	≥99.0%
Melting Point	851°C
Boiling Point	Decomposes
Density	2.54 g/cm³
Solubility	Soluble in water
Storage	Store in a cool, dry, ventilated place

 

Sodium Carbonate tech grade

Test Item	Unit	Specification
Total Alkali Content (as Na₂CO₃, Dry Basis)	%	≥99.2
Appearance	-	White crystalline powder, no visible mechanical impurities
Bulk Density	g/mL	0.50~0.60
Sodium Chloride Content (as NaCl)	%	≤0.70
Iron Content (as Fe)	%	≤0.0035
Sulfate Content (as SO₄²⁻)	%	≤0.03
Water Insoluble Substances	%	≤0.03
Heavy Metals (as Pb)	mg/kg	≤10
Arsenic Content (as As)	mg/kg	≤2
Loss on Drying	%	≤1.0

 

Sodium Carbonate food grade

Test Item	Unit	Specification
Total Alkali Content (as Na₂CO₃, Dry Basis)	%	99.2~100.8
Appearance	-	White crystalline powder/granules, no visible mechanical impurities, no foreign odor
Sodium Chloride Content (as NaCl)	%	≤0.70
Iron Content (as Fe)	%	≤0.0035
Sulfate Content (as SO₄²⁻)	%	≤0.03
Water Insoluble Substances	%	≤0.03
Lead (Pb)	mg/kg	≤2
Arsenic (As)	mg/kg	≤0.5
Cadmium (Cd)	mg/kg	≤0.1
Mercury (Hg)	mg/kg	≤0.1
Loss on Drying	%	≤1.0