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SX0320

Supelco

Sodium bicarbonate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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Synonym(s):
Sodium Hydrogen Carbonate, Baking Soda
Linear Formula:
NaHCO3
CAS Number:
Molecular Weight:
84.01
Beilstein:
4153970
MDL number:
EC Index Number:
205-633-8

Agency

meets USP/NF

Quality Level

Assay

99.7-100.3% dry basis

form

powder

impurities

≤0.015% Insoluble matter

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

2.16 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.003%
phosphate (PO43-): ≤0.001%
sulfur compounds (as SO42-): ≤0.003%

cation traces

Ca: ≤0.02%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.005%
NH4+: ≤5 ppm
heavy metals (as Pb): ≤5 ppm

shipped in

ambient

storage temp.

room temp

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

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Sodium bicarbonate Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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Sodium bicarbonate

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Sodium bicarbonate puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E500, 99.0-100.5%, powder

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Sodium bicarbonate tested according to Ph. Eur.

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-
form

powder

form

powder

form

solid

form

powder

impurities

≤0.015% Insoluble matter

impurities

ammonia (NH3), in accordance, organic volatile impurities, complies, residual solvents, complies, water-insoluble matter, complies, ≤0.002% ammonium (NH4), complies

impurities

-

impurities

-

pH

8.6 (20 °C, 50 g/L in H2O)

pH

≤8.6 (20 °C, 5%)

pH

-

pH

-

mp

270 °C (decomposition)

mp

-

mp

-

mp

-

solubility

96 g/L

solubility

-

solubility

water: soluble 50 g/L

solubility

-

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Ammonium (NH4): 5ppm max
Assay (dried basis): 99.7-100.3%
Calcium (Ca): 0.02% max
Chloride (Cl): 0.003% max
Heavy metals (as Pb): 5ppm max
Insoluble matter: 0.015% max
Iron (Fe): 0.001% max
Magnesium (Mg): 0.005% max
Phosphate (PO4): 0.001% max
Potassium (K): 0.005% max
Sulfur compounds (as SO4): 0.003% max

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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