Merck
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338826

Sigma-Aldrich

Acetic acid

glacial, ≥99.99% trace metals basis

Synonym(s):
Glacial acetic acid
Linear Formula:
CH3CO2H
CAS Number:
Molecular Weight:
60.05
Beilstein:
506007
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor density

2.07 (vs air)

Quality Level

Assay

≥99.99% trace metals basis

form

liquid

autoignition temp.

800 °F

expl. lim.

16 %, 92 °F
4 %, 59 °F

technique(s)

HPLC: suitable

refractive index

n20/D 1.371 (lit.)

pH

2.5 (20 °C, 50 g/L)

bp

117-118 °C (lit.)

mp

16.2 °C (lit.)

density

1.049 g/mL at 25 °C (lit.)

SMILES string

CC(O)=O

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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This Item
457262722127225
Acetic acid glacial, ≥99.99% trace metals basis

Sigma-Aldrich

338826

Acetic acid

Acetic acid for luminescence, BioUltra, ≥99.5% (GC)

Sigma-Aldrich

45726

Acetic acid

Acetic acid glacial, puriss., 99-100%

Sigma-Aldrich

27221

Acetic acid

Acetic acid glacial, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.8-100.5%

Sigma-Aldrich

27225

Acetic acid

assay

≥99.99% trace metals basis

assay

≥99.5% (GC)

assay

99-100%

assay

99.8-100.5%

form

liquid

form

liquid

form

liquid

form

liquid

refractive index

n20/D 1.371 (lit.)

refractive index

n20/D 1.371 (lit.)

refractive index

n20/D 1.371 (lit.)

refractive index

n20/D 1.371 (lit.)

pH

2.5 (20 °C, 50 g/L)

pH

2.5 (20 °C, 50 g/L)

pH

2.5 (20 °C, 50 g/L)

pH

2.5 (20 °C, 50 g/L)

bp

117-118 °C (lit.)

bp

117-118 °C (lit.)

bp

117-118 °C (lit.)

bp

117-118 °C (lit.)

Application

Acetic acid can be used as a catalyst:
  • For the solvent-free one-pot condensation of indoles with aryl or heteroaryl aldehydes to synthesize di(indolyl)methanes.
  • In the Pictet-Spengler reaction of substituted tryptamines with cyclic ketones to synthesize tetrahydrospiro-Ͱ-carbolines.
  • To synthesize trisubstituted thiazoles via domino multicomponent reaction.

It can also be used as a:
  • solvent to synthesize aryl amine-functionalized 1,3,5-triazine derivatives via aryl amination of cyanuric chloride with aromatic amines.

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

102.2 °F

Flash Point(C)

39 °C


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