2,3-Butanedione

2,3-Butanedione assay: min 99% cas:431-03-8 Package:25kg/drum Date of shipping:within 20 days after payment

English name: 2, 3-ButanedioneEnglish alias: DIACETYLE; Biacetyl; Diacetyl; Butane-2, 3-dioneCAS number: 431-03-8EINECS number: 207-069-8Formula: C4H6O2Molecular weight: 86.0892InChI: InChI = 1 / C4H6O2 / c1-3 (5) and (2) 6 / h1-2 H3Molecular structure:Density: 0.969 g/cm3Melting point:-4 °CBoiling point: 88 ° C at 760 mmHgFlash point: 5.5 ° CWater-soluble: 200 g/L (20 °C)The steam pressure: 62.3 mmHg at 25 ° C

Chemical properties:Density of 0.981Boiling point 88 ° CThe refractive index of 1.391-1.399Flash point 7 ° CWater-soluble 200 g/L (20 ° C)

Product use:Used to make butter essence, is the production of pyrazine spices of main raw material

Dangerous goods sign: F: Flammable;Xn: Harmful;

Risk terms: R11:;The R20/21/22;R36/38:;

Security terms: S16:;S26:;S36/37/39;

Raw material upstream: 2-d ketone, sulfuric acid, sulfuric acid, sodium nitrite, ethanol

2,3-Butanedione