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33209

Acide acétique

glacial, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8%

Synonyme(s) :

Acide acétique glacial

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A propos de cet article

Formule linéaire :
CH3CO2H
Numéro CAS:
Poids moléculaire :
60.05
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-580-7
Beilstein/REAXYS Number:
506007
MDL number:
Assay:
≥99.8%
Form:
liquid
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Quality Level

agency

USP/NF, reag. ISO, reag. Ph. Eur.

vapor density

2.07 (vs air)

grade

ACS reagent, puriss. p.a.

assay

≥99.8%

form

liquid

autoignition temp.

800 °F

expl. lim.

16 %, 92 °F, 4 %, 59 °F

technique(s)

mass spectrometry (MS): suitable

impurities

≤0.0002% acetaldehyde, ≤0.0005% non-volatile matter, ≤0.002% KMnO4 red. matter (as HCOOH), ≤0.01% acetic anhydride (GC), ≤0.2% water (Karl Fischer)

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.)

transition temp

freezing point ≥16.3 °C

density

1.04 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.5 mg/kg, phosphate (PO43-): ≤0.5 mg/kg, sulfate (SO42-): ≤0.5 mg/kg

SMILES string

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

cation traces

Ag: ≤0.01 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.01 mg/kg, Ba: ≤0.01 mg/kg, Be: ≤0.01 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.2 mg/kg, Cd: ≤0.02 mg/kg, Co: ≤0.01 mg/kg, Cr: ≤0.05 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.2 mg/kg, Ge: ≤0.05 mg/kg, K: ≤0.1 mg/kg, Li: ≤0.01 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.01 mg/kg, Mo: ≤0.02 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.05 mg/kg, Pb: ≤0.02 mg/kg, Sr: ≤0.01 mg/kg, Ti: ≤0.01 mg/kg, Tl: ≤0.05 mg/kg, V: ≤0.01 mg/kg, Zn: ≤0.05 mg/kg, Zr: ≤0.1 mg/kg

suitability

passes test for indifference to chromic acid

storage temp.

room temp

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 hygroscopic liquid having a pungent odor. Its anhydrous form is commonly referred as glacial acetic acid. It forms dimers linked by hydrogen bonds in solution and gaseous phases. It is weakly acidic in nature.

Application

for use as solvent for perchloric acid titration
Acetic acid has been 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).

Packaging

In PE-bottles; also available Glass-bottles (Material no. ending with *-GL)

Other Notes

The article number 33209-4X2.5L will be discontinued. Please order the single bottle 33209-2.5L which is physically identical with the same exact specifications.
The article number 33209-4X2.5L-M will be discontinued. Please order the single bottle 33209-2.5L-M which is physically identical with the same exact specifications.
The article number 33209-6X1L-M will be discontinued. Please order the single bottle 33209-1L-M which is physically identical with the same exact specifications.


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pictograms

FlameCorrosion

signalword

Danger

hcodes

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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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
Qini Gan et al.
Journal of Alzheimer's disease : JAD, 70(4), 1025-1040 (2019-07-16)
Recent studies demonstrate that peripheral amylin treatment reduces pathology in mouse models of Alzheimer's disease (AD). However, soluble and aggregated amylin are distinct species; while amylin is a physiological neuropeptide, amylin aggregation is a pathological factor for diabetes. We thus
Eagleson M.
Concise Encyclopedia Chemistry, 5-5 (1994)



Numéro d'article de commerce international

RéférenceGTIN
33209S-2.5L04061838224095
33209-1L04061838253323
33209-2.5L04061838253330
33209-4X2.5L04061838253354
33209S-6X1L04061838227201