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Merck

900504

Sodium carbonate

anhydrous, free-flowing, Redi-Dri™, ACS reagent (primary standard), 99.95-100.05% dry 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
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
24853386
EC Number:
207-838-8
Beilstein/REAXYS Number:
4154566
MDL number:
MFCD00003494
assay:
99.95-100.05% dry basis
grade:
ACS reagent (primary standard)
anhydrous
form:
powder

Product Name

Sodium carbonate, anhydrous, free-flowing, Redi-Dri™, ACS reagent (primary standard), 99.95-100.05% dry basis

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

ACS reagent (primary standard)
anhydrous

agency

suitable for EPA 300

product line

Redi-Dri™

assay

99.95-100.05% dry basis

form

powder

quality

free-flowing

impurities

≤0.005% silica
≤0.01% insolubles

loss

≤1.0% loss on heating

pH

12 (25 °C, 106 g/L)

mp

851 °C (lit.)

anion traces

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

cation traces

Ca: ≤0.02%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.004%
heavy metals: ≤5 ppm (by ICP-OES)

Quality Level

100

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Biochem/physiol Actions

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

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ3727
BCCF5382
SLBX4121
SLBS6379

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Angeles M Alonso et al.
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Eagleson M.
Concise Encyclopedia Chemistry, 995-995 (1994)
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