Soda- Sodium Carbonate

Synonym(s)

: Disodium carbonate, carbonic acid disodium salt, soda ash

Mol. Formula

: Na2CO3

EC / List no.

: 207-838-8

CAS no.

: 497-19-8

Molecular weight

: 105,988

Sodium Carbonate is the disodium salt of carbonic acid with alkalizing property. When dissolved in water, sodium carbonate forms carbonic acid and sodium hydroxide. As a strong base, sodium hydroxide acts as an antacid by neutralizing stomach acid.

Application

» This substance is used in the following areas: mining, scientific research and development, and healthcare.
» Used in machine wash fluids/detergents, automotive care products, paints, coatings or adhesives, fragrances and air fresheners, coolants in refrigerators, oil-based electric heaters, hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.

Product Specifications

Physical and Chemical Properties
» Colorless crystals appear as white, granular or crystalline powder.
» It is odorless and tasteless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	851
Density	g/cm³	2.52- 2.532	20 °C
Solubility	g/ L	212.5- 215	20°C, soluble with water
pKa		10.33	20 °C
Refractive index		1.535