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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/REAXYS Number:
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

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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

signalword

Danger

hcodes

H226,H314

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
STBK6915
MKCP6761
MKCQ7313
MKCQ9790
MKCQ6188

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Glacial acetic acid United States Pharmacopeia (USP) Reference Standard

USP

1005706

Glacial acetic acid

Glacial Acetic Acid Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1748

Glacial Acetic Acid

Acetic Acid, Glacial HPLC, Meets ACS Specifications

Supelco

AX0074

Acetic Acid, Glacial

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John E P Syka et al.
Proceedings of the National Academy of Sciences of the United States of America, 101(26), 9528-9533 (2004-06-24)
Peptide sequence analysis using a combination of gas-phase ion/ion chemistry and tandem mass spectrometry (MS/MS) is demonstrated. Singly charged anthracene anions transfer an electron to multiply protonated peptides in a radio frequency quadrupole linear ion trap (QLT) and induce fragmentation
Eagleson M.
Concise Encyclopedia Chemistry, 5-5 (1994)
Katharine Trenholme et al.
Antimicrobial agents and chemotherapy, 58(7), 3666-3678 (2014-04-16)
Therapies to prevent transmission of malaria parasites to the mosquito vector are a vital part of the global malaria elimination agenda. Primaquine is currently the only drug with such activity; however, its use is limited by side effects. The development
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