Chemical Product Library / Reference

Butan-2-one

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Butan-2-one

Chemical identity

English nameButan-2-one
English synonymsMethyl ethyl ketone;MEK;2-Butanone
Chinese name丁酮
Chinese synonymsMEK;甲乙酮;2-丁酮
Chemical categoryKetone Solvents
CAS No.78-93-3
EINECS No.201-159-0
Molecular formulaC4H8O
Molecular weight72.11
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Purity ≥99.5%; water ≤0.1%; acidity (as acetic acid) ≤0.005%; color (Pt-Co) ≤10; alcohol ≤0.1%

Performance characteristics

Colorless transparent liquid with acetone-like odor, soluble in water, miscible with most organic solvents

Application scenarios

Coating solvent, ink solvent, adhesive solvent, cleaning agent, chemical synthesis