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27225

Sigma-Aldrich

Acetic acid

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

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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

Agency

meets purity specifications of USP (identity)

Quality Level

vapor density

2.07 (vs air)

grade

puriss.

Assay

99.8-100.5%

form

liquid

autoignition temp.

800 °F

quality

meets analytical specification of Ph. Eur., BP, USP, FCC

expl. lim.

16 %, 92 °F
4 %, 59 °F

technique(s)

mass spectrometry (MS): suitable

impurities

K2Cr2O7 red. substances, complies
residual solvents, complies
≤0.0002% heavy metals (as Pb)
≤0.005% non-volatile matter
≤0.01% KMnO4 red. matter (as HCOOH)

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.)

transition temp

freezing point ≥15.6 °C

density

1.049 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤2 mg/kg
sulfate (SO42-): ≤5 mg/kg

cation traces

Al: ≤0.5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Pb: ≤0.5 mg/kg
Zn: ≤5 mg/kg

suitability

corresponds for appearance

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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1 of 4

This Item
69509227221W200603
Acetic acid glacial, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.8-100.5%

Sigma-Aldrich

27225

Acetic acid

Essential Grade
Acetic acid glacial, ACS reagent, ≥99.7%

Sigma-Aldrich

695092

Acetic acid

-
Acetic acid glacial, puriss., 99-100%

Sigma-Aldrich

27221

Acetic acid

-
Acetic acid natural, ≥99.5%, FG

Sigma-Aldrich

W200603

Acetic acid

-
vapor density

2.07 (vs air)

vapor density

2.07 (vs air)

vapor density

2.07 (vs air)

vapor density

2.07 (vs air)

grade

puriss.

grade

-

grade

puriss.

grade

-

assay

99.8-100.5%

assay

≥99.7%

assay

99-100%

assay

≥99.5%

form

liquid

form

liquid

form

liquid

form

liquid

impurities

K2Cr2O7 red. substances, complies, residual solvents, complies, ≤0.0002% heavy metals (as Pb), ≤0.005% non-volatile matter, ≤0.01% KMnO4 red. matter (as HCOOH)

impurities

Cr2O72- reducers, passes test, MnO4- reducers, passes test, ≤0.0004 meq/g Titr. base, ≤0.01% acetic anhydride

impurities

≤0.0005% heavy metals (as Pb), ≤0.005% non-volatile matter

impurities

-

General description

Acetic acid is an organic carboxylic acid. It is a hygroscopic liquid having pungent odor. Its anhydrous form is commonly referred as glacial acetic acid. It forms dimers linked by hydrogen bonds in solution and gaseous phases. It is weakly acidic in nature.

Application

Acetic acid is widely employed as solvent for various oxidation reactions. It may be used in the analysis of synthetic peptides by electron transfer dissociation (ETD) tandem mass spectrometry (MS/MS). It may be used in the preparation of peroxyacetic acid (disinfectant), via reaction with perhydrol (30% hydrogen peroxide).

Other Notes

The article number 27225-4X2.5L-M will be discontinued. Please order the single bottle 27225-2.5L-M which is physically identical with the same exact specifications.
The article number 27225-4X2.5L-R will be discontinued. Please order the single bottle 27225-2.5L-R which is physically identical with the same exact specifications.
The article number 27225-6X1L-M will be discontinued. Please order the single bottle 27225-1L-M which is physically identical with the same exact specifications.
The article number 27225-6X1L-R will be discontinued. Please order the single bottle 27225-1L-R which is physically identical with the same exact specifications.

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

Regulatory Information

危险化学品

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