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451614

Sigma-Aldrich

Sodium carbonate

anhydrous, powder, 99.999% trace metals basis

Synonym(s):

Calcined soda, Carbonic acid disodium salt, Soda ash

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About This Item

Linear Formula:
Na2CO3
CAS Number:
497-19-8
Molecular Weight:
105.99
Beilstein:
4154566
EC Number:
207-838-8
MDL number:
MFCD00003494
UNSPSC Code:
12352302
PubChem Substance ID:
24868638
NACRES:
NA.23

grade

anhydrous

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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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
GHS07

Signal Word

Warning

Hazard Statements

H319

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

451614-VAR:
451614-5G:
451614-100G:
451614-25G:
451614-BULK:
451614-50G-PW:
451614-50G:
451614-5G-PW:
451614-25G-PW:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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