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27225

Acide acétique

glacial, puriss., meets analytical specification of Ph. Eur., BP, USP, 99.8-100.5%

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:
329752986
EC Number:
200-580-7
Beilstein/REAXYS Number:
506007
MDL number:
MFCD00036152
Assay:
99.8-100.5%
Form:
liquid
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agency

meets purity specifications of USP (identity)

Quality Segment

vapor density

2.07 (vs air)

grade

puriss.

assay

99.8-100.5%

form

liquid

autoignition temp.

800 °F

quality

meets analytical specification of Ph. Eur., BP, USP

expl. lim.

16 %, 92 °F, 4 %, 59 °F

technique(s)

mass spectrometry (MS): suitable

impurities

K2Cr2O7 red. substances, complies, residual solvents, complies, ≤0.0002% heavy metals (as Pb), ≤0.005% non-volatile matter, ≤0.01% KMnO4 red. matter (as HCOOH)

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 ≥15.6 °C

density

1.04 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤2 mg/kg, sulfate (SO42-): ≤5 mg/kg

cation traces

Al: ≤0.5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Pb: ≤0.5 mg/kg, Zn: ≤5 mg/kg

suitability

corresponds for appearance

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 hygroscopic liquid having 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

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

The article number 27225-4X2.5L-M will be discontinued. Please order the single bottle 27225-2.5L-M which is physically identical with the same exact specifications.
The article number 27225-4X2.5L-R will be discontinued. Please order the single bottle 27225-2.5L-R which is physically identical with the same exact specifications.
The article number 27225-6X1L-M will be discontinued. Please order the single bottle 27225-1L-M which is physically identical with the same exact specifications.
The article number 27225-6X1L-R will be discontinued. Please order the single bottle 27225-1L-R which is physically identical with the same exact specifications.

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Pictogrammes

FlameCorrosion
GHS02,GHS05

Mot-clé

Danger

Codes de danger

H226,H314

Hazard Classifications

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

Classe de stockage

3 - Flammable liquids

Point d'éclair (°F)

102.2 °F - closed cup

Point d'éclair (°C)

39 °C - closed cup

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