Name: 2,3-butanedione, diacetyl, biacetyl, dimethyl diketono, dimethyl glyoxal, etc
Chemical name :2,3-butanedione     
CAS-No.: 431-03-8
FEMA No:. 2370
Chemical Description :

C4H6O2 86.09
Yellow or yellow-green liquid.
Properties MP. -2oC
BP. 88oC
Solubility Soluble in most involatile oil and propylene glycol, and can be dissolved glycerin and water.
Purity 98%
Refractive Index n20D 1.391-1.399
Relative Density d204 0.9850-0.9904
As: ≤2ppm
Heavy Metal(Pb): ≤10ppm
Organoleptical description Odour intensive buttery,fatty
Carrier of aroma of butter, vinegar, coffee & other foods. as a medium of organic synthesis also.
Packaging and Storage
200L plastic bucket (Steel-plastic composited bucket),Also we can proved the packaging as the costumers need.Store in a cool and dry area