2-Hydroxy-3-methyl-2-cyclopenten-1-one
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2-Hydroxy-3-methyl-2-cyclopenten-1-one
structure -
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CAS No:
80-71-7
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Formula:
C6H8O2
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Chemical Name:
2-Hydroxy-3-methyl-2-cyclopenten-1-one
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Synonyms:
2-Cyclopenten-1-one,2-hydroxy-3-methyl-;2-Hydroxy-3-methyl-2-cyclopenten-1-one;Cyclotene;Cycloten;2-Hydroxy-3-methyl-2-cyclopentenone;Corylon;3-Methylcyclopent-2-en-2-ol-1-one;Corylone;3-Methyl-2-hydroxy-2-cyclopentenone;2-Hydroxy-1-methylcyclopenten-3-one;Maple lactone;Cyclotene (odorant);NSC 133445;NSC 84226;2-Hydroxy-3-methyl-2-cyclopentene-1-one;MCP;2-Hydroxy-1-methyl-1-cyclopentene-3-one;3-Methyl-2-hydroxy-2-cyclopenten-1-one
- Categories:
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CAS No:
Description
Methyl cyclopentenolone occurs in beechwood tar
and has a caramel-like (burnt sugar) odor. It has been identified as a flavor
component in food. Crystals of the compound usually contain 1 mol
of water. Synthetic routes of production are of limited importance in comparison
with isolation from beechwood tar. Homologs of cyclotene such as
3-ethyl-2-hydroxy-2-cyclopenten-1-one, C DryPowder|white, crystalline powder with a nutty odour, maple-liquorice aroma in dilute solution
7
H
10
O
2
, Mr 126.16,
2-hydroxy-3,4-dimethyl-2-cyclopenten-1-one, C
7
H
10
O
2-Hydroxy-3-methyl-2-cyclopenten-1-one Basic Attributes
112.13
112.13
201-303-2
627E92X64B
133445|84226
DTXSID4035128
29144090
Characteristics
37.3
0.3
DryPowder
1.2±0.1 g/cm3
73-85 °C @ Solvent: Water
100-102 °C @ Press: 20 Torr
84.4±19.9 °C
1.549
soluble in alcohol and propylene glycol; slightly soluble in most fixed oils and 1 g in 72 ml water
Store at +2°C to +8°C.
Safety Information
NONH for all modes of transport
3
36/37/38-43
26-36/37-24/25-22
GY7298000
Xi
P261-P305 + P351 + P338-P342 + P311
H315-H319-H334-H335
Not Classified
2-Hydroxy-3-methyl-2-cyclopenten-1-one Use and Manufacturing
Biosynthesis. It is formed by hydrolysis of methylcyclopentanone after halogenation.
Used as a fragrance and sweetness enhancer
Air care products
25,000 - 100,000 lb
2-Cyclopenten-1-one, 2-hydroxy-3-methyl-: ACTIVE
Food additives -> Flavoring Agents|Flavouring Agent -> FLAVOURING_AGENT; -> JECFA Functional Classes|Flavoring Agents -> JECFA Flavorings Index
Flavoring Agents|Flavouring Agent -> FLAVOURING_AGENT;
Computed Properties
Molecular Weight:112.13
XLogP3:0.3
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Exact Mass:112.052429494
Monoisotopic Mass:112.052429494
Topological Polar Surface Area:37.3
Heavy Atom Count:8
Complexity:156
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-Hydroxy-3-methyl-2-cyclopenten-1-one
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