A6283
Acetic acid
glacial, ReagentPlus®, ≥99%
Synonym(s):
Glacial acetic acid
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About This Item
Linear Formula:
CH3CO2H
CAS Number:
Molecular Weight:
60.05
Beilstein:
506007
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
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grade
reagent
Quality Level
vapor density
2.07 (vs air)
product line
ReagentPlus®
Assay
≥99%
form
liquid
autoignition temp.
800 °F
expl. lim.
16 %, 92 °F
4 %, 59 °F
refractive index
n20/D 1.371 (lit.)
pH
2.5 (20 °C, 50 g/L)
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General description
Acetic acid is an aliphatic organic acid. It is a hygroscopic, corrosive liquid with a vinegar-like odor. It can be synthesized by oxidizing acetaldehyde in the presence of manganese or cobalt salts. It is utilized for synthesizing acetic anhydride, cellulose acetate and acetic esters. Its impact on the degradation of historic paper has been analyzed.
Application
Acetic acid (AcOH) can be used as:
Acetic acid can also be used in the following:
- A reaction solvent in many organic reactions such as bromination, hydrolysis, solvolysis, reductions, and hydrogenations.
- A reagent in the protonolysis of organometallic compounds.
- An acetylating agent for the acetylation of electron-rich aromatic compounds.
- A catalyst to synthesize di(indolyl)methanes by the condensation reaction of indole and aromatic aldehydes.
- A solvent system to prepare 3,4-dihydropyrimidin-2(1H)-one derivative via Biginelli reaction of aromatic aldehydes, 1,3-dicarbonyl compounds, and urea in the presence of a boric acid catalyst.
Acetic acid can also be used in the following:
- Manganese(III) acetate/AcOH catalytic system is used in the conversion of alkenes to lactones.
- Iron salts/AcOH is used to oxidize 2-methylnaphthalene to 2-methyl-1-naphthol in the presence of H2O2.
Features and Benefits
- Good stability towards many reagents
- Excellent solubility of organic compounds in this reagent
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
Storage Class Code
3 - Flammable liquids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Customers Also Viewed
Eagleson M.
Concise Encyclopedia Chemistry, 5-5 (1994)
Ash M and Ash I.
Handbook of Preservatives, 266-266 (2004)
Effects of NO2 and acetic acid on the stability of historic paper.
Menart Eet al.
Cellulose, 21(5), 3701-3713 (2014)
Acetic acid catalyzed carbon aerogels.
Brandt R, et al.
Journal of Porous Materials, 10(3), 171-178 (2003)
Thermooxidative aging of polydicyclopentadiene in glassy state.
Richaud E, et al.
Polymer Degradation and Stability, 102, 95-104 (2014)
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