ChemicalBook > CAS DataBase List > 3-methylcyclopent-2-en-1-one
3-methylcyclopent-2-en-1-one
3-methylcyclopent-2-en-1-one
- CAS No.2758-18-1
- Chemical Name:3-methylcyclopent-2-en-1-one
- CBNumber:CB9246368
- Molecular Formula:C6H8O
- Formula Weight:96.13
- MOL File:2758-18-1.mol
3-methylcyclopent-2-en-1-one Property
- 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 n
20/D 1.488(lit.) - Flash point 150 °F
- storage temp. 2-8°C
- solubility Soluble in DMSO
- form Liquid
- color Clear light yellow to yellow-brown
- Odor at 1.00 % in dipropylene glycol. sweet fruity fatty
- PH 4.9 (10g/l, H2O, 20℃)
- Odor Type fruity
- biological source synthetic
- Water Solubility miscible
- JECFA Number 1105
- BRN 1280476
- LogP 0.54
- CAS DataBase Reference 2758-18-1(CAS DataBase Reference)
- Substances Added to Food (formerly EAFUS) 1-METHYL-1-CYCLOPENTEN-3-ONE
- FDA UNII 6V7RSW7273
- NIST Chemistry Reference 2-Cyclopenten-1-one, 3-methyl-(2758-18-1)
- EPA Substance Registry System 3-Methyl-2-cyclopenten-1-one (2758-18-1)
- UNSPSC Code 12352100
- NACRES NA.22
Safety
-
Symbol(GHS)
- Signal wordWarning
- Hazard statements H227
- Precautionary statements P210e-P280a-P370+P378a-P403+P235-P501a
3-methylcyclopent-2-en-1-one Price
More Price(10)
- Brand: Sigma-Aldrich(India)
- Product number: W343502
- Product name : 3-Methyl-2-cyclopenten-1-one
- Purity: 97%, FG
- Packaging: 1SAMPLE
- Price: ₹4990.33
- Updated: 2022/06/14
- Buy: Buy
- Brand: Sigma-Aldrich(India)
- Product number: W343502
- Product name : 3-Methyl-2-cyclopenten-1-one
- Purity: 97%, FG
- Packaging: 25G
- Price: ₹45584.08
- Updated: 2022/06/14
- Buy: Buy
- Brand: Sigma-Aldrich(India)
- Product number: W343502
- Product name : 3-Methyl-2-cyclopenten-1-one
- Purity: 97%, FG
- Packaging: 100G
- Price: ₹122474.05
- Updated: 2022/06/14
- Buy: Buy
- Brand: Sigma-Aldrich(India)
- Product number: 74914
- Product name : 3-Methyl-2-cyclopentenone
- Purity: analytical standard
- Packaging: 250MG
- Price: ₹6679.03
- Updated: 2022/06/14
- Buy: Buy
- Brand: Sigma-Aldrich(India)
- Product number: 145777
- Product name : 3-Methyl-2-cyclopentenone
- Purity: 97%
- Packaging: 5G
- Price: ₹3897
- Updated: 2022/06/14
- Buy: Buy
3-methylcyclopent-2-en-1-one Chemical Properties,Usage,Production
- Description May be prepared by dehydrohalogenation of 2-chloro-l-methylcyclopentan-3-one.
- Chemical Properties clear light yellow to yellow-brownish liquid
- Chemical Properties 1-Methyl-1-cyclopenten-3-one has a sweet-floral, warm-spicy and diffusive yet quite tenacious odor.
- Occurrence Reported found in roasted onion, cooked pork, black tea, soybean and dried bonito
- Uses 3-Methyl-2-cyclopentenone was used in the synthesis of 2-hydroxy-3-methyl-2-cyclopentenone.
- Uses It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals.
- Definition ChEBI: 3-Methyl-2-cyclopenten-1-one is a cyclic ketone.
- Preparation By 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 Description 3-Methyl-2-cyclopenten-1-one is a component of smoke flavoring.
3-methylcyclopent-2-en-1-one Preparation Products And Raw materials
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