A note to our European Union customers
International shipping is currently disabled due to ongoing issues resulting from Brexit
and changes with customs procedures. Please note, once resumed, international shipments will
be subject to VAT and duties and orders can only be placed in acceptance of this.
Northern Ireland
We will only be able to ship to Northern Ireland where a Royal Mail postal option has been chosen.
Other UK orders are unaffected
Price: £2.95
Stock Availability:
Compare all Pack Sizes
Sodium Carbonate Anhydrous
Sodium carbonate (also known as washing soda, soda ash and soda crystals), Na2CO3, is the sodium salt of carbonic acid (soluble in water). It can be used as a relatively strong base.
Minimum Assay: >99.3%
Molecula Formula: CNA2O3
Molecula Weight: 105.99g/mol
Solubility in water (% weight): 106 g/l at 20 C - completely soluble
Melting Point: 851 °C
Boiling Point: 400 C
Chloride (CI): <0.25%
Sulphate (S04): <300ppm
Iron (Fe): <30ppm
Fluoride (F): <15ppm
Arsenic (As): <1ppm
Cadmium (Cd): <1ppm
Lead (Pb): <1ppm
Hazard Phrases: Causes serious eye irritation.
Prec Phrases: Wash hands thoroughly after handling. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.
We can also accept a bank transfer (UK Only)