1-HYDROXY-2-BUTANONE
1-HYDROXY-2-BUTANONE Basic information
- Product Name:
- 1-HYDROXY-2-BUTANONE
- Synonyms:
-
- 1-HYDROXY-2-BUTANONE
- 2-Butanone, 1-hydroxy-
- 2-Butanone,1-hydroxy-
- 1-hydroxybutan-2-one
- 1-hydroxy-2-butanon
- CAS:
- 5077-67-8
- MF:
- C4H8O2
- MW:
- 88.11
- EINECS:
- 225-790-6
- Mol File:
- 5077-67-8.mol
1-HYDROXY-2-BUTANONE Chemical Properties
- Melting point:
- 15°C (estimate)
- Boiling point:
- 160.05°C
- Density
- 1.0272
- refractive index
- 1.4189
- FEMA
- 3173 | 1-HYDROXY-2-BUTANONE
- storage temp.
- 2-8°C
- pka
- 12.96±0.10(Predicted)
- form
- Liquid
- color
- Colorless to light yellow
- Odor
- at 10.00 % in dipropylene glycol. sweet coffee musty grain malt butterscotch
- Odor Type
- coffee
- JECFA Number
- 1717
- LogP
- -0.25
- EPA Substance Registry System
- 2-Butanone, 1-hydroxy- (5077-67-8)
1-HYDROXY-2-BUTANONE Usage And Synthesis
Description
May be synthesized from l-chlorobutan-2-one by hydrolysis or by heating the chloro compound with potassium formate in methanol; the ethyl ester may be prepared by bacterial oxidation of the corresponding glycol with Aspergillus niger.
Chemical Properties
Colorless liquid
Occurrence
Reported found in coffee and mushrooms.
Definition
ChEBI: 1-hydroxybutan-2-one is a primary alpha-hydroxy ketone that is butane-1,2-diol in which the hydroxy group at position 2 has been formally oxidised to give the corresponding ketone. It is functionally related to a butan-2-one and a butane-1,2-diol.
Preparation
From 1-chlorobutan-2-one by hydrolysis or by heating the chloro compound with potassium formate in methanol; the ethyl ester may be prepared by bacterial oxidation of the corresponding glycol with Aspergillus niger.
Taste threshold values
Taste characteristics at 30 ppm: brown, oily and alcoholic with toasted grain notes.
1-HYDROXY-2-BUTANONE Preparation Products And Raw materials
Raw materials
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