99.5% oil liquid 2-Butanone oxime 99.5% oil liquid methyl ethyl ketoxime liquid

Short Description:

2-Butanone oxime

Chemical formula: C4H9NO

Particular weight: 87.1204

CAS No.: 96-29-7

EINECS No.: 202-496-6

UN No.: 1993

Melting point: -30 ℃

Boiling point: 152.5 ℃

Water soluble: 114 g/L (20°C)

Density: 0.924 g/cm³

Appearance: Colorless oil liquid

Flash point: 60 ℃


Product Detail

Product Tags

2-Butanone oxime,it is an organic compound with the chemical formula C4H9NO, which is mainly used as an anti-skinning agent and a silicon curing agent for alkyd resin coatings.
Alias: 2-Butanone oxime,2-Butanone oxime, methyl ethyl ketoxime.

Physical and Chemical properties

Density: 0.924g/cm3

Melting point: -30℃

Boiling point: 152.5°C

Flash point: 60°C

Refractive rate: 1.442(20℃)

Water soluble: 114 g/L (20°C)

Appearance: colorless oil liquid

Solubility: It is miscible with ethanol and ether, soluble in 10 parts of water.

Stability: Stable. Combustible. Incompatible with strong oxidizing agents. May react with strong acids to form an explosive material.

Technical data 

Product name

2-Butanone oxime






Transparent colorless viscous liquid,no suspended matter

Pure MEKO content %

≥ 99.5

Water %

≤ 0.03

Density  g/cm3

0.917–0.927 25/4℃

0.9154–0.9254 30℃

Acid value  mg KOH/g

≤ 0.05

Chroma (platinum-cobalt)

≤ 5



methyl ethyl ketoxime-13

methyl ethyl ketoxime-4

methyl ethyl ketoxime-18


It is used for anti-skin treatment during storage and transportation of various oil-based paints, alkyd paints, epoxy ester paints, etc., can also be used as silicon curing agent.

This product is used as an antioxidant to prevent skin formation, has better effect than butyraldehyde oxime and cyclohexanone oxime.

Coating, paint and ink anti-skinning agent, isocyanate blocking agent, silicone crosslinking agent, organic synthesis intermediate.

Barreled composite drawing

Package: 190 kg/galvanized drum;

        190 kg or 25 kg/plastic drum.

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