56255-48-2

Basic information

• Product Name: 3-hydroxybutan-2-yl acetate
• Synonyms: 2,3-Butanediol monoacetate; 2,3-butanediol, monoacetate
• CAS NO: 56255-48-2
• Molecular Formula: C₆H₁₂O₃
• Molecular Weight: 132.1577
• Mol File: 56255-48-2.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 201.7°C at 760 mmHg
• Flash Point: 79.5°C
• Density: 1.021g/cm³
• Vapor Pressure: 0.0747mmHg at 25°C
• Refractive Index: 1.425
• CAS DataBase Reference: 3-hydroxybutan-2-yl acetate(CAS DataBase Reference)
• NIST Chemistry Reference: 3-hydroxybutan-2-yl acetate(56255-48-2)
• EPA Substance Registry System: 3-hydroxybutan-2-yl acetate(56255-48-2)

Safety Data

• Hazardous Substances Data: 56255-48-2(Hazardous Substances Data)

Upstream product

• 1114-92-7 2,3-diacetoxybutane 
• 22152-23-4 racemic 2,3-butanediol diacetate 
• 64-18-6 formic acid 
• 64-19-7 acetic acid 
• 513-85-9 2.3-butanediol 

Downstream Products

• 598-71-0 DL-2,3-dibromobutane 

Relevant articles and documents

METHOD FOR ESTERIFICATION OF A DIOL USING A REACTIVE DISTILLATION

The invention relates to a conversion method that is fed with a diol feedstock that comprises at least 90% by weight of diol and a carboxylic acid feedstock that comprises at least 80% by weight of carboxylic acid. The method comprising at least: An esterification step which is fed with at least the diol feedstock and at least the carboxylic acid feedstock, wherein the carboxylic acid/diol molar ratio at the inlet of the esterification step is between 2 and 6, the esterification step comprises at least one reactive distillation column that has a mixed reaction/separation zone located between two separation zones; andA water elimination step that is fed with distillate from the esterification step that comprises water and producing at least one water effluent.

Selective production of 1,3-butadiene using glucose fermentation liquor

The production of 2,3-butanediol from glucose fermentation products and its subsequent esterification and conversion to 1,3-butadiene is reported. The addition of formic acid and acetic acid (C1-C2 acids) to the esterification reaction mixture resulted in yields of the diesters of 70% and 85%, without the loss of C1-C2 acids during the reaction. In the pyrolysis step, a highly selective (94% and 82% for formic acid 2-formyloxy-1-methyl-propyl ester and acetic acid 2-acetoxy-1-methyl-propyl ester, respectively) C-O cleavage to 1,3-butadiene over diesters was achieved without a catalyst. In the case of acetic acid, 100% was recovered, whereas in the case of formic acid, only 20% was recovered. Based on these results, it can be concluded that using glucose fermentation liquor as the starting material with external addition of acetic acid (2,3-butanediol:formic acid:acetic acid = 1:0.5:2.5), 70% yield of 1,3-butadiene can be achieved where the loss of formic acid is compensated by the acid in the starting material. This journal is the Partner Organisations 2014.

Unique Template Effects of Distannoxane Catalysts in Transesterification of Diol esters

1,n-Diol diacetates (n = 2,3,4) are selectively converted into the corresponding monoacetates by distannoxane-catalyzed transesterification.Such unique selectivity is not encountered with 1,n-diol diacetates where n>/=5.A great difference in reactivity is also seen in the transesterification between methyl butyrate and 1,n-diol monoacetates: the ethylene glycol derivative sluggishly undergoes transesterification whereas higher homologs react smoothly.The unique template effects of the catalysts are discussed in terms of cooperation of two different tin atoms which are located in the proximity.