2-cyclopentenone
2-cyclopenten-1-one
Identification
| Name | 2-cyclopentenone |
| IUPAC | cyclopent-2-en-1-one |
| CAS Number | 930-30-3 |
| EINECS | 213-213-0 |
| FDA UNII | Q0U2IGF9CK |
| Molecular Formula | C5 H6 O |
| Molecular Weight | 82.10202000 |
| MDL Number | MFCD00001401 |
| Nikkaji Number | J80.018J |
| Beilstein | 1446054 |
Regulatory
Physical Properties
| Appearance | colorless to pale yellow clear liquid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 0.98000 to 1.01000 @ 25.00 °C. |
| Pounds per Gallon - (est). | 8.155 to 8.404 |
| Refractive Index | 1.48100 @ 20.00 °C. |
| Boiling Point | 136.00 °C. @ 760.00 mm Hg, 64.00 to 65.00 °C. @ 19.00 mm Hg |
| Vapor Pressure | 7.529000 mmHg @ 25.00 °C. (est) |
| Flash Point | 108.00 °F. TCC ( 42.22 °C. ) |
| logP (o/w) | -0.114 (est) |
| Soluble in | alcohol |
No sensory data available
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | pharmaceuticals / chemical synthisis |
| Recommendation for 2-cyclopentenone usage levels up to | not for fragrance use. |
| Recommendation for 2-cyclopentenone flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
3-oxo
cyclopent-1-ene
cyclopent-2-en-1-one
cyclopent-2-enone
2-
cyclopenten-1-one
cyclopenten-2-one
3-
cyclopenten-2-one
cyclopenten-3-one
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