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241245

Sigma-Aldrich

Sodium acetate

ACS reagent, ≥99.0%

Synonym(s):

Acetic acid sodium salt

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About This Item

Linear Formula:
CH3COONa
CAS Number:
Molecular Weight:
82.03
Beilstein:
3595639
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
39021906
PubChem Substance ID:
NACRES:
NA.21

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grade

ACS reagent

Quality Level

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.)

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This Item
7922938202715404
reaction suitability

reagent type: cross-linking reagent

reaction suitability

reagent type: cross-linking reagent

reaction suitability

reagent type: cross-linking reagent

reaction suitability

reagent type: cross-linking reagent

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

density

1.012 g/mL at 20 °C (lit.)

density

0.965 g/mL at 20 °C (lit.)

density

1.042 g/mL at 25 °C (lit.)

density

0.984 g/mL at 20 °C (lit.)

bp

72-80 °C/0.1 mmHg (lit.)

bp

-

bp

-

bp

-

refractive index

n20/D 1.458 (lit.)

refractive index

n20/D 1.462

refractive index

n20/D 1.449 (lit.)

refractive index

n20/D 1.460

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.

Legal Information

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

Storage Class Code

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)
R E Kingston et al.
Current protocols in molecular biology, Chapter 4, Unit4-Unit4 (2008-02-12)
Three different methods for RNA preparation using guanidine are presented in this unit--a single-step isolation method employing liquid-phase separation to selectively extract total RNA from tissues and cultured cells and two methods that rely on a CsCl step gradient to
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)
Eagleson M.
Concise Encyclopedia Chemistry, 995-995 (1994)

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