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1.06329

Supelco

Sodium hydrogen carbonate

for analysis EMSURE® ACS,Reag.Ph Eur

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

grade

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

product line

EMSURE®

Assay

99.0-101.0% (acidimetric)
99.7-100.3% dry basis (acidimetric)

form

powder

potency

4220 mg/kg LD50, oral (Rat)

impurities

≤0.0065% Iodine reducing matter (as I)
≤0.015% Insoluble matter

loss

≤0.2% loss on drying, Silica gel

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

anion traces

chloride (Cl-): ≤0.002%
phosphate (PO43-): ≤0.001%
phosphate, silicate (as SiO2): ≤0.005%
sulfate (SO42-): ≤0.015%
sulfur compounds (as SO42-): ≤0.003%

cation traces

As: ≤0.0002%
Ca: ≤0.01%
Cu: ≤0.0002%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.005%
N: ≤0.0005%
NH4+: ≤0.0005%
Pb: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

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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This Item
1.932371.93637401676
Sodium hydrogen carbonate for analysis EMSURE® ACS,Reag.Ph Eur

Supelco

1.06329

Sodium hydrogen carbonate

Sodium hydrogen carbonate for analysis EMPARTA® ACS

Supelco

1.93237

Sodium hydrogen carbonate

Sodium hydrogen carbonate EMPLURA®

Supelco

1.93637

Sodium hydrogen carbonate

assay

99.0-101.0% (acidimetric), 99.7-100.3% dry basis (acidimetric)

assay

-

assay

-

assay

≥95%

form

powder

form

-

form

-

form

powder or crystals

impurities

≤0.0065% Iodine reducing matter (as I), ≤0.015% Insoluble matter

impurities

-

impurities

-

impurities

2-5% Na2CO3

pH

8.6 (20 °C, 50 g/L in H2O)

pH

-

pH

-

pH

-

mp

270 °C (decomposition)

mp

-

mp

-

mp

-

Analysis Note

Appearance of solution: passes test
Identity: passes test
Assay (acidimetric; calculated on dried substance): 99.7 - 100.3 %
Assay (acidimetric): 99.0 - 101.0 %
Insoluble matter: ≤ 0.015 %
pH-value (5 %; water): ≤ 8.6
Chloride (Cl): ≤ 0.002 %
Phosphate (PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.015 %
Phosphate and Silicate (as SiO₂): ≤ 0.005 %
Sulfur compounds (as SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0005 %
Ammonium (NH₄): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.01 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.005 %
Pb (Lead): ≤ 0.0005 %
Iodine reducing matter (as I): ≤ 0.0065 %
Loss on drying (Silica gel): ≤ 0.20 %
Corresponds to ACS, Reag. Ph Eur

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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