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1.72577 SAFC

Sodium hydrogen carbonate

for table water FCC,E 500

Synonym: Sodium bicarbonate

  • CAS Number 144-55-8

  • Linear Formula NaHCO3

  • Molecular Weight 84.01

  •  Beilstein/REAXYS Number 4153970

  •  MDL number MFCD00003528

  •  E Number E500

  •  EC Index Number 205-633-8

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Properties

Quality Level   300
reg. compliance   FCC
form   crystalline powder
potency   4220 mg/kg LD50, oral (Rat)
pH   8.6 (20 °C, 50 g/L in H2O)
pKa (25 °C)   (1) 6.37, (2) 10.25 (carbonic acid)
mp   270 °C (decomposition)
solubility   96 g/L
density   2.22 g/cm3 at 20 °C
  2.16 g/mL at 25 °C (lit.)
bulk density   1000 kg/m3
SMILES string   [Na+].OC([O-])=O
InChI   1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
InChI key   UIIMBOGNXHQVGW-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

General description

for table water FCC,E 500

Application

The specification of the product is part of the Emprove® Material Qualification Dossier and can be found under "General Properties".

Analysis Note

Appearancewhite crystalline powderAssay (acidimetric; calculated on dried substance)99.5 - 100.5 %Identitypasses testAppearance of solution (5 %; water)clear and colourlessInsoluble matterpasses testIn water insoluble matter≤ 50 mg/kgpH-value (1 %, water)8.0 - 8.6pH-value (5 %; water)≤ 8.6Carbonate (CO₃)passes testHeavy metals (as Pb)≤ 5 mg/kgBromate (BrO₃)≤ 40 mg/kgBromide (Br)≤ 5 mg/kgChlorate≤ 40 mg/kgChloride≤ 150 mg/kgFluoride (F)≤ 10 mg/kgIodide≤ 40 mg/kgNitrate (NO₃)≤ 40 mg/kgNitrite (NO₂)≤ 40 mg/kgPhosphate (PO₄)≤ 10 mg/kgSulfate≤ 100 mg/kgSulfur compounds (as SO₄)≤ 150 mg/kgAl (Aluminium)≤ 0.5 mg/kgAs (Arsenic)≤ 2 mg/kgCa (Calcium)≤ 100 mg/kgCu (Copper)≤ 5 mg/kgFe (Iron)≤ 20 mg/kgHg (Mercury)≤ 1 mg/kgNH₄ (Ammonium)
passes test≤ 20 mg/kgPb (Lead)≤ 2 mg/kgSe (Selenium)≤ 30 mg/kgZn (Zinc)≤ 25 mg/kgResidual solvents (ICH Q3C)excluded by production processLoss on drying (Silica gel)≤ 0.25 %Odour and tastenot tested/ typical propertyConforms FCC, E500
Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

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