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13418-M

Sigma-Aldrich

Sodium carbonate

puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)

Synonym(s):

Calcined soda, Carbonic acid disodium salt, Soda ash

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About This Item

Linear Formula:
Na2CO3
CAS Number:
Molecular Weight:
105.99
Beilstein:
4154566
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

puriss.

Assay

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

form

powder

quality

meets analytical specification of Ph. Eur., BP, NF, FCC, E500

impurities

alkali hydroxides and bicarbonates, complies
residual solvents, complies
≤5 ppm heavy metals (as Pb)

loss

≤0.5% loss on drying, 300 °C
<0.5% loss on drying, 105°C, 4hrs

pH

12 (25 °C, 106 g/L)

mp

851 °C (lit.)

anion traces

chloride (Cl-): ≤100 ppm
sulfate (SO42-): ≤50 ppm

cation traces

As: ≤0.0002%
Cu: ≤0.002%
Fe: ≤0.001%
Hg: ≤0.0001%
Pb: ≤0.0002%
Zn: ≤0.002%

suitability

complies for appearance of solution

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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Biochem/physiol Actions

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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