CAS: 431-03-8                                               FEMA：2370
Chemical Name and Synonyms: Diacetyl;2，3-Diketobutane;Dimethyl ketone
Molecular Formula: C4H6O2
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
Application:
This product is widely used in food,tobaco.
Suggested dose: 2.5-44 ppm
Packing: well sealed Aluminum tin .
Net Weight: 1000g.
Storage:
Stabilized with 0.1% BHT. Stored in a cool, dry, light-free place, in full, tightly sealed containers. In drum covered with nitrogen. When stored for more than 6 months, quality should be checked before use.