Methyl Ethyl Ketone (MEK) C4H8O CAS 78-93-3

Methyl Ethyl Ketone (MEK) C4H8O CAS 78-93-3

Methyl Ethyl Ketone (MEK) is a colorless and transparent liquid with an odor similar to acetone. It's volatile and can be miscible with ethanol, ether, benzene, chloroform, and oils. It's flammable, vapor can form explosive mixtures with air. And its' high concentration steam has anesthetic properties. It's an important solvent.
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Description
Technical Parameters
Introduction

 

Name: Methyl Ethyl Ketone (MEK)

CAS No: 78-93-3

Molecular: C4H8O

Synonyms: Ethyl methyl ketone; Butanone

 

 

Specifications

 

ITEMS

INDEX

WATER CONTENT %≤

0.03

ACIDITY AS ACETIC ACID %≤

0.002

PURITY %≥

99.8

COLOR (Pt-Co)≤

8

DENSITY 20°C g/cm3

0.804-0.806

APPERANCE

Colorless transparent liquid, no mechanical impurities

Nonvolatile matter(mg/100ml)≤

2

Alcohol as butanol %≤

0.05

 

Packing: 165kg/drum; ISOTANK

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Applications

1. It can be used as a solvent for cellulose acetate, acrylic resin, alkyd resin, coatings, inks and as a binder for dyes, as a dewaxing agent for lubricating oils, and as a vulcanization accelerator.

2. Used as a reagent for the determination of cadmium, copper, and mercury, a standard substance for chromatographic analysis, and a solvent for semiconductor lithography.

3. GB 2760-96 stipulates it as edible spices that are allowed to be used. Mainly used to make cheese, coffee and banana essence.

4. It's mainly used as a solvent, such as for lubricating oil dewaxing, coating industry, and various resin solvents.

5. Methyl Ethyl Ketone(MKE) can also be applied as a developer for integrated circuit lithography in the electronics industry.

6. It is the raw material for the preparation of the acaricide imidacloprid.

 

Chemical & physical properties

 

Molecular formula

C4H8O

CAS NO

78-93-3

Density

0.804-0.806

Appearance

Colorless transparent liquid

Flash point

-9 ℃(CC)

Melting point

-85.9 ℃

Boiling point

79.6 ℃

Water Solubility

soluble

 

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