Ethyl2-oxocyclopentanecarboxylate
Ethyl 2-oxocyclopentanecarboxylate
CAS: 611-10-9
Molecular Formula: C8H12O3
Ethyl2-oxocyclopentanecarboxylate - Names and Identifiers
Ethyl2-oxocyclopentanecarboxylate - Physico-chemical Properties
| Molecular Formula | C8H12O3 | |||||||||||||||
| Molar Mass | 156.18 | |||||||||||||||
| Density | 1.054 g/mL at 25 °C (lit.) | |||||||||||||||
| Boling Point | 102-104 °C/11 mmHg (lit.) | |||||||||||||||
| Flash Point | 172°F | |||||||||||||||
| Water Solubility | insoluble | |||||||||||||||
| Vapor Presure | 0.0743mmHg at 25°C | |||||||||||||||
| Appearance | Liquid | |||||||||||||||
| Color | Clear colorless to pale yellow | |||||||||||||||
| BRN | 387787 | |||||||||||||||
| pKa | 12.02±0.20(Predicted) | |||||||||||||||
| Storage Condition | Sealed in dry,Room Temperature | |||||||||||||||
| Refractive Index | n20/D 1.452(lit.) | |||||||||||||||
| Physical and Chemical Properties |
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Ethyl2-oxocyclopentanecarboxylate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 29183000 |
| Hazard Class | IRRITANT |
Ethyl2-oxocyclopentanecarboxylate - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| use | used as a pharmaceutical intermediate or perfume additive pharmaceutical synthesis, organic synthesis intermediate, can be used to synthesize perfume, or loxolophenol. |
| Production method | Diethyl adipate is cyclified in toluene in the presence of sodium to obtain the product. The reaction temperature was 100-115 ℃, the reaction time was 5h, and the yield was 74-81%. |
Last Update：2024-04-09 21:04:16
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