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Methyl Ethyl Ketone (MEK)

Methyl Ethyl Ketone (MEK) is a colorless, transparent, volatile, and flammable organic solvent with an acetone-like odor. It is widely used in coatings, inks, adhesives, cleaning agents, dewaxing agents, and organic synthesis.
Alias: 2-Butanone
CAS No.: 78-93-3
Molecular Formula: C4H8O
Product Specifications
Applicable StandardsQ/0211SYH 005-2023Inspection Date10-Jun-26
Lot Number20260610-2Sampling Point (Storage Tank)V9202BSampling Date10-Jun-26
Net Weight of Product2,293.918 tonsSampling Point (Pump)P9202——
Sampling Basis4,770 m³Sample Volume2L——
Test ItemsQuality IndicatorsTest MethodTest Results
Urethane Grade
AppearanceColorless, transparent liquid, free of mechanical impuritiesBy eyeA colorless, transparent liquid free of mechanical impurities
Purity (mass fraction)/%99.8SH/T175699.96
Moisture (mass fraction)/%0.03GB/T62830.0129
Boiling range: Initial boiling point/°C,≥ Drying point/°C    ≤78.5  81GB/T753478.9  80.6
Color / (Platinum-Cobalt) Number  ≤8GB/T31435
Density (20°C) / (g/cm³)0.804~0.806GB/T44720.805
Non-volatile Matter / (mg/100 mL)  ≤2GB/T6324. 21
Acidity (as acetic acid) (mass fraction) / %  ≤0.002GB/T148270.0011
Alcohol (as butanol) (mass fraction) / %  ≤0.05SH/T17560.0205
SBA / 10⁻⁶  ≤500SH/T1756195
TBA / 10⁻⁶  ≤100SH/T17565
Applications
Mainly used as a solvent and dewaxing agent, MEK is widely applied in coatings, inks, adhesives, cleaning agents, resin processing, and organic synthesis. It can also be used as a raw material for fragrances and pharmaceutical intermediates.

Coatings

Cleaning Agents

Resin Processing