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695092

Sigma-Aldrich

Acetic acid

glacial, ACS reagent, ≥99.7%

Synonym(s):

Glacial acetic acid

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About This Item

Linear Formula:
CH3CO2H
CAS Number:
64-19-7
Molecular Weight:
60.05
Beilstein:
506007
EC Number:
200-580-7
MDL number:
MFCD00036152
UNSPSC Code:
12352106
PubChem Substance ID:
329761715
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

vapor density

2.07 (vs air)

vapor pressure

11.4 mmHg ( 20 °C)

Assay

≥99.7%

form

liquid

autoignition temp.

800 °F

expl. lim.

16 %, 92 °F
4 %, 59 °F

technique(s)

mass spectrometry (MS): suitable

impurities

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

evapn. residue

≤0.001%

color

APHA: ≤10

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

1.04 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤1 ppm
sulfate (SO42-): ≤1 ppm

cation traces

Fe: ≤0.2 ppm
heavy metals: ≤0.5 ppm (by ICP)

SMILES string

[F2C(F2C)13F3C]C(O)=O

InChI

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

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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General description

Acetic acid is an organic carboxylic acid. It is a pungent smelling hygroscopic liquid. Glacial acetic acid is the anhydrous acetic acid. It forms dimers linked by hydrogen bonds in solution and gaseous commonly referred as 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

4L and 4X4L are packaged in poly bottles

Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H226,H314

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 - closed cup

Flash Point(C)

39 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water soluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

695092-6X500ML:
695092-CH:
695092-19L:
695092-201L:
695092-500ML-PW:
695092-2.5L-P:
695092-2.5L-GL:4548173953212
695092-VAR:
695092-500ML-P:
695092-500ML:4548173923703
695092-BULK:
695092-6X2.5L-P-PW:
695092-6X500ML-PW:
695092-2.5L-PW:
695092-6X500ML-P:
695092-6X500MLP-PW:
695092-500ML-GL:4548173923710
695092-6X500ML-GL:
695092-6X2.5L-P:
695092-4X4L-PW:
695092-4X100ML:
695092-4X4L:
QR-041-500ML:
695092-100ML:4548173923673
695092-6X2.5L-GLPW:
695092-6X2.5L:
695092-6X2.5L-PW:
695092-2.5L:4548173923680
695092-19L-DS:
695092-12X100ML:
695092-6X2.5L-GL:
695092-4L:4548173923697

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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