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695092

Acetic acid

Name: Acetic acid
Brand: SIGALD

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

UNSPSC Code:

12352106

NACRES:

NA.21

PubChem Substance ID:

329761715

EC Number:

200-580-7

Beilstein/REAXYS Number:

506007

MDL number:

MFCD00036152

Assay:

≥99.7%

Form:

liquid

Grade:

ACS reagent

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Properties

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

Cr₂O₇^2- 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.)

solubility

water: soluble (602.9 g/l at 25 °C)

density

1.04 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤1 ppm, sulfate (SO₄^2-): ≤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

Description

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

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pictograms

GHS02,GHS05

signalword

Danger

hcodes

H226,H314

pcodes

P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup

Regulatory Information

危险化学品

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