3-methylcyclopent-2-en-1-one

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CAS:2758-18-1
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CAS:2758-18-1
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CAS:2758-18-1
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CAS:2758-18-1
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CAS:2758-18-1
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3-methylcyclopent-2-en-1-one manufacturers

3-methylcyclopent-2-en-1-one Basic information
Product Name:3-methylcyclopent-2-en-1-one
Synonyms:3-METHYL-2-CYCLOPENTEN-1-ONE FOR SYNTHES;3-methyl-2-cyclopenten-1-on;3-Methyl-cyclopent-2-enone;3-Methyl-2-cyclopentenone 97%;3-Methyl-2-cyclopenten-1-one, 97%+;3-Methyl-2-cyclopenten-1-one, GC 98%;3-Methyl-2-cyclopenten-1-one, stabilised;3-Methyl-2-cyclopenten-1-one, stabilized, 98% 10GR
CAS:2758-18-1
MF:C6H8O
MW:96.13
EINECS:220-421-5
Product Categories:C3 to C6;Carbonyl Compounds;Ketones;ketone;Building Blocks;C3 to C6;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;Pyridines
Mol File:2758-18-1.mol
3-methylcyclopent-2-en-1-one Structure
3-methylcyclopent-2-en-1-one Chemical Properties
Melting point 3-5 °C (lit.)
Boiling point 74 °C/15 mmHg (lit.)
density 0.980 g/mL at 20 °C 0.971 g/mL at 25 °C (lit.)
FEMA 3435 | 1-METHYL-1-CYCLOPENTEN-3-ONE
refractive index n20/D 1.488(lit.)
Fp 150 °F
storage temp. 2-8°C
solubility Soluble in DMSO
form Liquid
color Clear light yellow to yellow-brown
PH4.9 (10g/l, H2O, 20℃)
Odorat 1.00 % in dipropylene glycol. sweet fruity fatty
Odor Typefruity
Water Solubility miscible
JECFA Number1105
BRN 1280476
LogP0.54
CAS DataBase Reference2758-18-1(CAS DataBase Reference)
NIST Chemistry Reference2-Cyclopenten-1-one, 3-methyl-(2758-18-1)
EPA Substance Registry System3-Methyl-2-cyclopenten-1-one (2758-18-1)
Safety Information
Risk Statements 36/38
Safety Statements 24/25
RIDADR 1224
WGK Germany 3
TSCA Yes
PackingGroup III
HS Code 29142900
MSDS Information
ProviderLanguage
3-Methyl-2-cyclopenten-1-one English
SigmaAldrich English
ACROS English
ALFA English
3-methylcyclopent-2-en-1-one Usage And Synthesis
DescriptionMay be prepared by dehydrohalogenation of 2-chloro-l-methylcyclopentan-3-one.
Chemical Propertiesclear light yellow to yellow-brownish liquid
Chemical Properties1-Methyl-1-cyclopenten-3-one has a sweet-floral, warm-spicy and diffusive yet quite tenacious odor.
OccurrenceReported found in roasted onion, cooked pork, black tea, soybean and dried bonito
Uses3-Methyl-2-cyclopentenone was used in the synthesis of 2-hydroxy-3-methyl-2-cyclopentenone.
UsesIt is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals.
DefinitionChEBI: 3-Methyl-2-cyclopenten-1-one is a cyclic ketone.
PreparationBy dehydrohalogenation of 2-chloro-1-methyl-cyclopentan-3-one.
Synthesis Reference(s)Journal of the American Chemical Society, 101, p. 494, 1979 DOI: 10.1021/ja00496a044
The Journal of Organic Chemistry, 55, p. 371, 1990
General Description3-Methyl-2-cyclopenten-1-one is a component of smoke flavoring.
Tag:3-methylcyclopent-2-en-1-one(2758-18-1) Related Product Information
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