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695092

Acide acétique

glacial, ACS reagent, ≥99.7%

Synonyme(s) :

Acide acétique glacial

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A propos de cet article

Formule linéaire :
CH3CO2H
Numéro CAS:
64-19-7
Poids moléculaire :
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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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.)

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 (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

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

FlameCorrosion
GHS02,GHS05

signalword

Danger

hcodes

H226,H314

Hazard Classifications

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

Classe de stockage

3 - Flammable liquids

wgk

WGK 1

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup

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Certificats d'analyse (COA)

Lot/Batch Number
SDBB7889
MKCZ8892
MKCZ8817
MKCZ8896
MKDB2132

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Eagleson M.
Concise Encyclopedia Chemistry, 5-5 (1994)
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
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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