Suggested Applications: HPLC, GC, Spectrophotometry
Synonyms: 2-Butanone, MEK
Structural Formula: CH3COCH2CH3
CAS number: 78-93-3
Hazard Class: 3
Package Group: II
UN number: UN1193
Specifications
GC Analysis: 99.5% min.
Refractive Index (20°C): 1.3776 - 1.3790
Residue: 3 mg/L max.
UV Absorbance @ 340 nm: 0.100 AU max.
UV Absorbance @ 350 nm: 0.020 AU max.
UV Absorbance @ 375 nm: 0.010 AU max.
UV Absorbance @ 400 nm: 0.005 AU max.
Water by Karl Fischer Titration: 0.05% max.
Surface Tension (dyn/cm) at 20°C: 24.0
Vapor Pressure (Torr) at 20°C: 74.0
Physical Properties
Density (g/mL) at 20°C: 0.8049
Molecular Weight: 72.11
Boiling Point (°C): 79.6
Freezing Point (°C): -86.7
Flashpoint (°C): -9