Sodium hydrogen carbonate 144-55-8


Product Deail


Sodium hydrogen carbonate

Another nameBaking soda;Sodium bicarbonate;Sodium acid bicarbonate. 

【DescriptionWhite crystalline powder, relative density 2.20, about 50 ℃ starts to break down, and 100 ℃ when all into sodium carbonate. Soluble in water, the aqueous solution is weakly alkaline, slightly soluble in ethanol.

Test items

GR

AR

CP

Other

Assay(NaHCO3) /%

≥99.8

≥99.8

≥99.8

Custom

pH(50g/l,25℃)

≤8.6

≤8.6

≤8.6

Clarity of solution

Passes test

Passes test Passes test

Water insoluble /%

≤0.005

≤0.01

≤0.02

Chloride(Cl) /%

≤0.001

≤0.002

≤0.005

Sulfate(SO4) /%

≤0.002

≤0.005

≤0.01

Total nitrogen(N) /%

≤0.000 5

≤0.001

≤0.002

Phosphates and silicates(as SiO2) /%

≤0.002

≤0.005

≤0.01

Magnesium(Mg) /%

≤0.002

≤0.003

≤0.005

Potassium(K) /%

≤0.005

≤0.01

≤0.02

Calcium(Ca) /%

≤0.005

≤0.007

≤0.01

Iron(Fe) /%

≤0.000 5

≤0.001

≤0.002

Heavy metals (as Pb) /%

≤0.000 5

≤0.001

≤0.002

Reduced iodine substance(as I) /%

≤0.006 5

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-

UseUsed as analytical reagent; used for inorganic synthesis; pharmaceutical raw materials; food additives; feed additive; the detergent. Rubber additives; paper industry; ceramic and leather industries.