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695092

Sigma-Aldrich

Acide acétique

glacial, ACS reagent, ≥99.7%

Synonyme(s) :

Acide acétique glacial

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About This Item

Formule linéaire :
CH3CO2H
Numéro CAS:
64-19-7
Poids moléculaire :
60.05
Numéro Beilstein :
506007
Numéro CE :
200-580-7
Numéro MDL:
MFCD00036152
Code UNSPSC :
12352106
ID de substance PubChem :
329761715
Nomenclature NACRES :
NA.21

Qualité

ACS reagent

Niveau de qualité

200

Densité de vapeur

2.07 (vs air)

Pression de vapeur

11.4 mmHg ( 20 °C)

Pureté

≥99.7%

Forme

liquid

Température d'inflammation spontanée

800 °F

Limite d'explosivité

16 %, 92 °F
4 %, 59 °F

Technique(s)

mass spectrometry (MS): suitable

Impuretés

Cr2O72- reducers, passes test
 MnO4- reducers, passes test
≤0.0004 meq/g Titr. base
≤0.01% acetic anhydride

Résidus d'évap.

≤0.001%

Couleur

APHA: ≤10

Indice de réfraction

n20/D 1.371 (lit.)

pH

2.5 (20 °C, 50 g/L)

Point d'ébullition

117-118 °C (lit.)

Pf

16.2 °C (lit.)

Densité

1.04 g/mL at 25 °C (lit.)

Traces d'anions

chloride (Cl-): ≤1 ppm
sulfate (SO42-): ≤1 ppm

Traces de cations

Fe: ≤0.2 ppm
heavy metals: ≤0.5 ppm (by ICP)

Chaîne SMILES 

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

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

Clé InChI

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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Catégories apparentées

Description générale

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).

Autres remarques

4L and 4X4L are packaged in poly bottles

Pictogrammes

FlameCorrosion
GHS02,GHS05

Mention d'avertissement

Danger

Mentions de danger

H226,H314

Classification des risques

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

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

102.2 °F - closed cup

Point d'éclair (°C)

39 °C - closed cup

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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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
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Autonomic sympathetic nerves innervate peripheral resistance arteries, thereby regulating vascular tone and controlling blood supply to organs. Despite the fundamental importance of blood flow control, how sympathetic arterial innervation develops remains largely unknown. Here, we identified the axon guidance cue
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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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The New phytologist, 201(4), 1469-1483 (2013-11-26)
• Chalcone synthase (CHS) is the key enzyme in the first committed step of the flavonoid biosynthetic pathway and catalyzes the stepwise condensation of 4-coumaroyl-CoA and malonyl-CoA to naringenin chalcone. In plants, CHS is often encoded by a small family
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