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Merck

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 Segment

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

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup



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