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SX0395

Sodium carbonate

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

Synonym(s):

Soda, 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
EC Index Number:
207-838-8
UNSPSC Code:
12352302
Beilstein/REAXYS Number:
4154566
MDL number:
MFCD00003494
Assay:
≥99.5% dry basis
Grade:
ACS reagent
Form:
powder
Solubility:
212.5 g/L
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grade

ACS reagent

Quality Level

200

agency

meets USP/NF

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

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

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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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