Basic Info
Efficacy: Anti-Oxidant
Classification: Chemical Additives
Type: Antioxidants
Appearance: Liquid
Color: Colorless
CAS No.: 96-29-7
Meko Content: 99.6%
Water Content: 0.05%
Acid Value: 0.05
Color(PT-Co): 5
Specific Gravity(at 20c): 0.92g/Ml
Distillation Range: 150-153c
Flash Point: 60-62c
Export Markets: Global
Additional Info
Trademark: Xianlin
Packing: Iron or Plastic Drum
Standard: GB
Origin: Hubei, China
HS Code: 2928000090
Production Capacity: 2000tons/Month
Product Description
Methyl Ethyl Ketoxime (MEKO) 

Specifications
Excellent: 99.9%; First grade: 99.7%; 

Qualified: 99.5%
HS code: 2928000090
CAS No.: 96-29-7
EINECS No.: 202-496-6
Made in China

Product Packing: Net weight 

180kg/plastic drum, 190kg/iron drum, 

4drums/pallet, 80drums/20GP

Methyl Ethyl Ketoxime Physical and 

Chemical Properties

Chemical Formula:  methyl ethyl 

ketoxime
CAS Number:  96-29-7
Other/Generic Names:  2-Butanone 

Oxime, Ethyl Methyl Ketone Oxime, 

MEK-Oxime, MEKO
Appearance:  Clear, colorless liquid
Molecular Weight:  87.12
Odor:  Ether like odor
Specific Gravity:  0.92 g/ml (H2O = 

1.0)
Solubility in Water:  Slightly 

Soluble
Boiling Point:  152° C (306° F) at 

1, 013 hPa
Melting Point:  -29.5° C (-21.1° F)
Vapor Pressure:  2.66 hPa @ 20° C
Density:  0.92 g/cm3 at 20° C
PH:  7.0 - 8.5 at 20° C
Flash Point:  63° C (145° F)
Laboratory Test Value and Quality 

Level Reference

Assay  Specification  Typical
MEKO Content  99.5% min.  99.6%
Water Content  0.050% max.  0.05%
Acid Value  0.1max.  0.05
Color(Pt-Co)  8 max.  5
Specific Gravity(at 20° C)  0.916-

0.924  0.92g/ml
Distillation Range(° C)  150-153  

150
Flash Point(° C)  60 Min.   62
Others
Combustible, dissolved in 10 times of 

water at room temperature, 
Soluble in methanol, ethanol, ether, 

rosin, methanol and other mixable 

organic solvents. 
Strong complexation with metal ions, 

volatile, and reactable with 

hydrochloric acid and sulfuric acid, 

emitting butanone. 
It can irritate the skin and the 

eyes. 

Quality Standards

Execution Standard: Q/XLHG 002-2013)
High Class/First Class/Qualified
MEKO Content % > =99.9 > =99.7 > 

=99.5
Water Content % < =0.03 < =0.08 < 

=0.12
Acid(as acetic acid mg/g) < =0.05 < 

=0.1 < =0.2
Chromaticity(platinum-cobalt) < =1 < 

=3 < =8

Methyl Ethyl Ketoxime (MEKO) Main 

Application

1. This product is an oil based 

coating antioxidant, used for anti-

skinning treatment during
The storage and transportation of a 

variety of oil based paints such as 

alkyd paint, 
And epoxy ester paint, etc. It can be 

used as an anti-skinning agent and 

viscosity stabilizer
For alkyd resin coating. This product 

is recommended to be added in the 

amount of 0.1-0.3%
In offset printing ink industry. 

2. This product can be used in the 

synthesis of silicone cross linking 

agent, curing agent, 
And vulcanized single component 

silicone rubber product at room 

temperature and also used as 

isocyanate sealant

3. This product can be used as 

antioxidant and corrosion inhibitor 

in industrial boiler or water 

treatment system. 

4. This product can be used as 

pharmaceutical intermediate for alum 

and magnesium removal. 

5. This product can be used to 

produce high purity hydroxylamine 

sulfate and hydroxylamine 

hydrochloride. 

Methyl Ethyl Ketoxime (MEKO) Storage 

and Transportation

It is flammable, so it should be 

stored in a shady and cool place to 

avoid oxidant
And acid. The container should be 

sealed tightly after each use to 

avoid damp and oxidation. 
Its shelf life is one year. Please 

handle the transport procedures by 

ordinary chemical standard.