ACETOIN
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ACETOIN
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CAS No:
51555-24-9
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Formula:
C4H8O2
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Chemical Name:
ACETOIN
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Synonyms:
3-hydroxy-2-butanone;3H-2B butanone;Acetoin;Acetylmethylcarbinol;3-hydroxybutan-2-one;Acetyl methyl carbinol;Dimethylketol
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CAS No:
Description
ACETOIN， The chemical name is 3-hydroxybutanone, which is a common organic compound with the chemical formula C4H8O2. It is a colorless or slightly yellow liquid with a unique creamy aroma, commonly used in the food and spice industries.
Characteristics
37.3
-0.36 /Estimated/
Acetyl methyl carbinol appears as a light-yellow colored liquid that can form a crystalline solid when it dimerizes. Slightly denser than water. Hence sinks in water. Used to make other chemicals.
0.9972 g/cu cm at 17 deg C
59°F
298.4°F
106°F
1000 mg/mL at 20 °C
2.7x10 (est)
OPTICALLY ACTIVE COMPD; OPTICAL ROTATION: -39.4 DEG (PURE) AND -105 DEG (AQ SOLN) AT 20 °C
Buttery odor
FATTY CREAMY "TUB" BUTTER TASTE
Safety Information
2621
Oxidizes gradually to diacetyl on exposure to air.
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501
H226
ACETOIN Use and Manufacturing
Microbial fermentation: Some microorganisms can ferment sugars to produce ACETOIN.
Chemical synthesis: Synthesis through the reaction of acetone with ethanol or the reduction reaction of other ketones.
Food industry: used as a food additive to give food a creamy aroma.
Perfume industry: used for synthetic perfume and perfume.
Cosmetics industry: used in the formulation of certain cosmetics to provide fragrance.