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Merck

27221

Sigma-Aldrich

Ácido acético

glacial, puriss., 99-100%

Sinónimos:

Ácido acético glacial

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1 L
MXP 13,861.00
4 X 5 L
MXP 34,073.00

MXP 13,861.00


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1 L
MXP 13,861.00
4 X 5 L
MXP 34,073.00

About This Item

Fórmula lineal:
CH3CO2H
Número de CAS:
Peso molecular:
60.05
Beilstein:
506007
Número CE:
Número MDL:
Código UNSPSC:
12352106
ID de la sustancia en PubChem:
NACRES:
NA.21

MXP 13,861.00


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densidad de vapor

2.07 (vs air)

grado

puriss.

Ensayo

99-100%

Formulario

liquid

temp. de autoignición

800 °F

lim. expl.

16 %, 92 °F
4 %, 59 °F

técnicas

mass spectrometry (MS): suitable

impurezas

≤0.0005% heavy metals (as Pb)
≤0.005% non-volatile matter

índice de refracción

n20/D 1.371 (lit.)

pH

2.5 (20 °C, 50 g/L)

bp

117-118 °C (lit.)

mp

16.2 °C (lit.)

densidad

1.04 g/mL at 25 °C (lit.)

trazas de anión

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

trazas de catión

Fe: ≤5 mg/kg

cadena SMILES

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

InChI

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

Clave InChI

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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Descripción general

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.[1]

Aplicación

Acetic acid is widely employed as solvent for various oxidation reactions.[1] It has been used in the analysis of synthetic peptides by electron transfer dissociation (ETD) tandem mass spectrometry (MS/MS).[2] It may be used in the preparation of peroxyacetic acid (disinfectant), via reaction with perhydrol (30% hydrogen peroxide).[1]

Otras notas

The article number 27221-6X1L will be discontinued. Please order the single bottle 27221-1L which is physically identical with the same exact specifications.

Pictogramas

FlameCorrosion

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

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

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

102.2 °F - closed cup

Punto de inflamabilidad (°C)

39 °C - closed cup


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Questions

  1. Which ascidic acid is best fro extraction buffers?

    1 answer
    1. Extraction buffers are typically used for sample preparation. One would probably want to use a high-purity (> 99 %) acetic acid that has also been tested to make sure that it is low in common impurities. Product 27221 or Product 338826 are relatively reasonable for application.

      Please see the product below:
      https://www.sigmaaldrich.com/product/sigald/338826

      Helpful?

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