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241245

Sodium acetate

Name: Sodium acetate
Brand: SIGALD

ACS reagent, ≥99.0%

Synonym(s):

Acetic acid sodium salt

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About This Item

Linear Formula:

CH₃COONa

CAS Number:

127-09-3

Molecular Weight:

82.03

NACRES:

NA.21

PubChem Substance ID:

329752574

eCl@ss:

39021906

UNSPSC Code:

12352300

EC Number:

204-823-8

MDL number:

MFCD00012459

Beilstein/REAXYS Number:

3595639

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Properties

grade

ACS reagent

Quality Level

200

assay

≥99.0%

form

solid

autoignition temp.

1112 °F

impurities

≤0.01% insolubles

loss

≤1.0% loss on drying

pH

7.0-9.2 (25 °C, 5%)

pKa

4.76 (acetic acid)

mp

>300 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤0.002%, phosphate (PO₄^3-): ≤0.001%, sulfate (SO₄^2-): ≤0.003%

cation traces

Ca: ≤0.005%, Fe: ≤0.001%, Mg: ≤0.002%, heavy metals: ≤0.001% (by ICP-OES)

suitability

complies for IR spectroscopy

SMILES string

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

InChI

1S/C2H4O2.Na/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

InChI key

VMHLLURERBWHNL-UHFFFAOYSA-M

Description

General description

Sodium acetate is a hydrophilic organic compound that can be prepared by treating acetic acid with sodium carbonate or sodium hydroxide. It acts as neutralizing agent, catalyst, food additive, and buffer to maintain a specific pH.

Application

Sodium acetate can be used as a base to synthesize:

Oxazolones via Erlenmeyer Plochl condensation reaction of aromatic aldehydes and hippuric acid.
Cinnamic acids via Perkin reaction between aromatic aldehydes and acid anhydrides.

A mixture of sodium acetate-acetic acid buffer can be employed in the polybromination of substituted imidazoles to synthesize polybrominated imidazoles.

It can also be used as a catalyst in tandem Knoevenagel-Michael multicomponent reactions.

Other Notes

Go to Redi-Dri^™ Product Listing 791741

Legal Information

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

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Storage Class

11 - Combustible Solids

wgk

WGK 1

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PREPARATION OF (S)-2-Allyl-2-methylcyclohexanone (Cyclohexanone, 2-methyl-2-(2-propen-1-yl)-, (2S)-).

Justin T Mohr et al.

Organic syntheses; an annual publication of satisfactory methods for the preparation of organic chemicals, 86, 194-211 (2009-01-01)

The liquid-chromatographic quantification of some synthetic colorants in soft drinks.

Trandafir I, et al.

Scientific Study and Research, 10(1), 73-82 (2009)

Listeria monocytogenes inhibition in refrigerated vacuum packaged turkey bologna by chemical additives.

Wederquist HJ, et al.

Journal of Food Science, 59(3), 498-500 (1994)

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Global Trade Item Number

SKU	GTIN
241245-100G	04061824953312
241245-5G	04061824984514
241245-1KG	04061824958881
241245-2.5KG	04061824962703
241245-500G	04061824976823