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SX0395

Supelco

Sodium carbonate

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

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Synonym(s):
Soda, Calcined soda, Carbonic acid disodium salt, Soda ash
Linear Formula:
Na2CO3
CAS Number:
Molecular Weight:
105.99
Beilstein/REAXYS Number:
4154566
MDL number:
EC Index Number:
207-838-8

agency

meets USP/NF

Quality Level

assay

≥99.5% dry basis

form

powder

impurities

≤0.01% Insoluble matter

loss

≤1.0% loss on heating, 285°C

color

white

pH

11.16 (25 °C, 4 g/L in H2O)

mp

851 °C (lit.)

solubility

212.5 g/L

anion traces

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

cation traces

Ca: ≤0.03%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.005%
heavy metals: ≤5 ppm

shipped in

ambient

storage temp.

room temp

SMILES string

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L

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This Item
SX040045161413418
vibrant-m

SX0395

Sodium carbonate

-
vibrant-m

SX0400

Sodium carbonate

-
vibrant-m

451614

Sodium carbonate

-
vibrant-m

13418

Sodium carbonate

Essential Grade
solubility

212.5 g/L

solubility

212.5 g/L

solubility

soluble 217 g/L at 20 °C (completely)

solubility

-

assay

≥99.5% dry basis

assay

≥99.9% dry basis (acidimetric)

assay

99.999% trace metals basis

assay

99.5-100.5% (calc. to the dried substance)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

cation traces

Ca: ≤0.03%, K: ≤0.005%, heavy metals: ≤5 ppm, Fe: ≤5 ppm, Mg: ≤0.005%

cation traces

Ca: ≤0.005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, heavy metals (as Pb): ≤0.0005%

cation traces

-

cation traces

As: ≤2 mg/kg, Cu: ≤20 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Pb: ≤4 mg/kg, Pb: >2 ppm, Zn: ≤20 mg/kg

pH

11.16 (25 °C, 4 g/L in H2O)

pH

11.16 (25 °C, 4 g/L in H2O)

pH

-

pH

12 (25 °C, 106 g/L)

Application

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

Biochem/physiol Actions

Buffer component, may be used for the removal of peripheral membrane proteins.

Analysis Note

Assay (dried basis)99.5% minCalcium (Ca)0.03% maxChloride (Cl)0.001% maxColorWhiteFormPowderHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.01% maxIron (Fe)5ppm maxLoss on heating at 285°C1.0% maxMagnesium (Mg)0.005% maxPhosphate (PO4)0.001% maxPotassium (K)0.005% maxSilica (SiO2)0.005% maxSulfur compounds (as SO4)0.003% max

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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