2,3－Butanedione

CAS:  431-03-8                                       FEMA： 2370

Chemical Name and Synonyms: Diacetyl;2，3-Diketobutane;Dimethyl ketone 

Molecular Formula: C4H6O2

Structural Formula:

Specifications:

Odor: strong pungent order, aroma of butter-like by dilution. 

Appearance: yellow to pale green liquid.

Content (GC): from 80% to 90%.

Refractive Index(@20℃): 1.393～1.395

Relative Density: (@15℃/15℃) 0.9904

S ested dose: 2.5-44 ppm