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451614

Sigma-Aldrich

Sodium carbonate

anhydrous, powder, 99.999% trace metals basis

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Synonym(s):
Calcined soda, Carbonic acid disodium salt, Soda ash
Linear Formula:
Na2CO3
CAS Number:
Molecular Weight:
105.99
Beilstein:
4154566
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

anhydrous

Quality Level

Assay

99.999% trace metals basis

form

powder

impurities

≤15.0 ppm Trace Metal Analysis

mp

851 °C (lit.)

solubility

soluble 217 g/L at 20 °C (completely)

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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1 of 4

This Item
SX039513418S2127
Sodium carbonate anhydrous, powder, 99.999% trace metals basis

Sigma-Aldrich

451614

Sodium carbonate

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

Supelco

SX0395

Sodium carbonate

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

Sigma-Aldrich

13418

Sodium carbonate

Essential Grade
Sodium carbonate ReagentPlus®, ≥99.5%

Sigma-Aldrich

S2127

Sodium carbonate

-
assay

99.999% trace metals basis

assay

≥99.5% dry basis

assay

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

assay

≥99.5%

form

powder

form

powder

form

powder or crystals

form

powder (granular)

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤0.01% Insoluble matter

impurities

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

impurities

-

mp

851 °C (lit.)

mp

851 °C (lit.)

mp

851 °C (lit.)

mp

851 °C (lit.)

solubility

soluble 217 g/L at 20 °C (completely)

solubility

212.5 g/L

solubility

-

solubility

-

Application

Sodium carbonate can be used as:

  • Pore-inducing agent to synthesize Fe-based oxygen reduction catalysts.
  • An alkaline solid sorbent to capture CO2 in flue gases.
  • A precursor to synthesize high magnesium-bearing calcites in the pure phase.
It can also be used to modify the internal structure of the ZSM-5 catalyst, for conducting methanol to gasoline reactions.

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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T1503
Product Number
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25G
Pack Size/Quantity

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

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