2,3-Butanedione

• Catalog No.: A14217
• CAS Number: 431-03-8
• M. F.: C4H6O2
• M. W.: 86.08924
• Purity: 99%

SYNONYMS

• Title: 2,3-丁烷二酮
• IUPAC name: butane-2,3-dione
• IUPAC Traditional name: diacetyl
• Synonyms: Diacetyl; Biacetyl

DATABASE IDS

• Beilstein Number: 605398
• CAS Number: 431-03-8
• MDL Number: MFCD00008756
• Merck Index: 142966
• EC Number: 207-069-8

PROPERTIES

• Purity: 99%
• Boiling Point: 87-88°C
• Density: 0.983
• Flash Point: 10°C(50°F)
• Melting Point: -3°C
• Refractive Index: 1.3950
• GHS Hazard statements: H225-H302-H332-H315-H319
• European Hazard Symbols: X
• European Hazard Symbols: Flammable (F)
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P403+P235-P501A
• Risk Statements: 11-20/22-36/38
• RTECS: EK2625000
• Safety Statements: 16-26-36/37
• TSCA Listed: 是
• Hazard Class: 3
• UN Number: UN2346
• Packing Group: II

REFERENCES

• Sensitizer for the photochemical epoxidation of alkenes: J. Am. Chem. Soc., 98, 4193 (1976).
• Like 1,2-Cyclohexanedione, A14401, has been used by Ley's group in combination with trimethyl orthoformate and camphorsulfonic acid for the protection of trans-1,2-diols as cyclic diacetals. The method is particularly applicable to the carbohydrate field: Synlett, 793 (1996); J. Chem. Soc., Perkin 1, 2023 (1997). See also 9,10-Phenanthrenequinone, A11762.