3-Methyl-2-cyclopenten-1-one
ALDRICH/W343502 - 97%, FG
Synonym: 3-
CAS Number: 2758-18-1
Empirical Formula (Hill Notation): C6H8O
Molecular Weight: 96.13
EC Number: 220-421-5
MDL Number: MFCD00001403
Linear Formula: CH3C5H5(=O)
Product Type: Chemical
| application(s) | flavors and fragrances |
| assay | 97% |
| biological source | synthetic |
| bp | 74 °C/15 mmHg (lit.) |
| density | 0.971 g/mL at 25 °C (lit.) |
| 0.980 g/mL at 20 °C | |
| documentation | see Safety & Documentation for available documents |
| food allergen | no known allergens |
| grade | FG |
| InChI | 1S/C6H8O/c1-5-2-3-6(7)4-5 |
| InChI key | CHCCBPDEADMNCI-UHFFFAOYSA |
| mp | 3-5 °C (lit.) |
| organoleptic | fruity; sweet |
| Quality Level | 300 ![]() |
400 ![]() |
|
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 872/2012 |
| FDA 21 CFR 110 | |
| SMILES string | CC1=CC(=O)CC1 |
| General description: | 3-Methyl-2-cyclopenten-1- |
| Packaging: | 25, 100 g in glass bottle |
| WGK Germany | WGK 3 |
| Flash Point(F) | 149.0 °F - closed cup |
| Flash Point(C) | 65 °C - closed cup |
| Purity | 97% |
| bp | 74 °C/15 mmHg (lit.) |
| mp | 3-5 °C (lit.) |
| Density | 0.980 g/mL at 20 °C; 0.971 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 3435 |
| UNSPSC | 12164502 |

