send us an inquiry
LC5366 Sodium carbonate
volumetric standard, secondary reference material for acidimetry, traceable


Order number Packaging Quantity Price €
AC32366 Plastic bottle 50 g 28.35


Product information
Synonyms anhydrous soda
Hill Formula CNa2O3
Chemical formula Na2CO3
HS Code 2836 20 00
EC number 207-838-8
Molar mass 105.99 g/mol
EC index number 011-005-00-2
CAS number 497-19-8


Chemical and physical data
Solubility 220 g/l (20 °C)
Melting point 854 °C
Molar mass 105.99 g/mol
Density 2.53 g/cm3 (20 °C)
Bulk density 1100 kg/m3
pH value 11.5 (50 g/l, H2O, 25 °C)
Boiling point 1600 °C (decomposition)


Safety information according to GHS
Hazard Statement(s) H319: Causes serious eye irritation.
Precautionary Statement(s) P260: Do not breathe dust.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Warning
Hazard Pictogram(s)
RTECS VZ4050000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).


Safety information
R Phrase R 36
Irritating to eyes.
S Phrase S 22-26
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Categories of danger irritant
Hazard Symbol Irritant


Toxicological data
LD 50 oral LD50 rat 4090 mg/kg