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Key Documents

230952

Sigma-Aldrich

Sodium carbonate monohydrate

ACS reagent, ≥99.5%

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About This Item

Linear Formula:
Na2CO3 · H2O
CAS Number:
Molecular Weight:
124.00
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

Assay

≥99.5%

form

powder or crystals

impurities

≤0.001% N compounds
≤0.004% S compounds
≤0.005% silica
≤0.01% NH4OH ppt.
≤0.01% insolubles

loss

13.0-15.0% loss on drying

anion traces

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 ppm
sulfur compounds (as SO42-): ≤0.004%

cation traces

Ca: ≤0.03%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.005%
heavy metals (as Pb): ≤5 ppm

SMILES string

O.[Na+].[Na+].[O-]C([O-])=O

InChI

1S/CH2O3.2Na.H2O/c2-1(3)4;;;/h(H2,2,3,4);;;1H2/q;2*+1;/p-2

InChI key

MQRJBSHKWOFOGF-UHFFFAOYSA-L

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Application

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

11 - 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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Eagleson M.
Concise Encyclopedia Chemistry, 993-994 (1994)
Dehydration of sodium carbonate monohydrate.
Ball MC, et al.
Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 81(8), 1761-1766 (1985)
Dehydration of sodium carbonate monohydrate with indirect microwave heating.
Seyrankaya A and Ozalp B.
Thermochimica Acta, 448(1), 31-36 (2006)
Azadeh Nilghaz et al.
Lab on a chip, 12(1), 209-218 (2011-11-18)
This paper describes the fabrication of microfluidic cloth-based analytical devices (μCADs) using a simple wax patterning method on cotton cloth for performing colorimetric bioassays. Commercial cotton cloth fabric is proposed as a new inexpensive, lightweight, and flexible platform for fabricating
Linfeng Yang et al.
Bioresource technology, 124, 283-291 (2012-09-20)
The effects of sodium carbonate (Na(2)CO(3)) pretreatment on the chemical compositions and enzymatic saccharification of rice straw were investigated. The enzymatic digestibility of rice straw is enhanced after pretreatment since pretreated solids show significant delignification with high sugar availability. During

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