CHEMICAL NAME: Sodium Hydrogen Carbonate
EINECS NUMBER: 205 – 633 – 8
CAS NUMBER: 144 – 55 – 8
EC CODE: E 500 (ii)
UNIT NORM
Sodium bicarbonate, NaHCO3 % 99,30 min.
Sodium carbonate, Na2
CO3 % 0,60 max.
Iron as Fe2
O3 ppm 6,00 max.
Sulphate, SO4
2- ppm 100,00 max.
Chloride ion,Cl- ppm 100,00 max.
pH (1% sol’n) - 8,60 max.
Insoluble matter in water ppm 200,00 max.
Loss on drying % 0,25 max.
Ammonia salts According to working instruction
Solubility (at 20 °C) g/l 96,00
Arsenic, As mg/kg 1,00 max.
Lead, Pb mg/kg 2,00 max.
Mercury, Hg mg/kg 0,10 max.
Cadmium, Cd mg/kg 0,50 max.
Copper, Cu mg/kg 1,00 max.
Food Grade Bicarbonate with additive.
White, opaque, monoclinic crystaline powder. A light alkali material soluble in water. Main compound is Sodium
Bicarbonate. After the production of food grade sodium bicarbonate max. % 0,5 (w/w) magnesium stearate is
added to improve flow characteristics.
FOOD GRADE - A
PHYSICAL SPECIFICATIONS:
Solutions in water slightly turbid and an oily layer can be seen on the surface of the solution. It
doesn’t contain foreign substances which can be seen with the naked eye.
Physical Condition : Free flowing tiny crystals.
Solubility : Soluble in water, insoluble in ethanol.
Classification according to particle size:
SIEVE ANALYSIS FINE GRANULAR STANDARD EXTRA COARSE GRANULAR
> 0,500 mm - Negligible -
> 0,250 mm 5 % max. - 70 – 95 %
< 0,150 mm - - 10 % max.
> 0,125 mm 10 - 30 % - -
< 0,125 mm 70 % min. - -
Bulk density, g/cm3 - 1,00 – 1,25 0,90 – 1,15
