5-戊内酯
Delta-Valerolactone
CAS: 542-28-9
Molecular Formula: C5H8O2
5-戊内酯 - Names and Identifiers
5-戊内酯 - Physico-chemical Properties
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1.105g/mLat 20°C |
| Melting Point | -13 °C |
| Boling Point | 230 °C |
| Flash Point | 212°F |
| Water Solubility | miscible |
| Solubility | Chloroform, Ethyl Acetate, Methanol |
| Vapor Presure | 8.8Pa at 20℃ |
| Vapor Density | 3.45 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to pale yellow |
| BRN | 106436 |
| Storage Condition | -20°C |
| Stability | Moisture Sensitive |
| Refractive Index | n20/D 1.457(lit.) |
| MDL | MFCD00006645 |
| Use | Used in essence, medicine. |
5-戊内酯 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| WGK Germany | 3 |
| RTECS | LU3580000 |
| TSCA | Yes |
| HS Code | 29322090 |
| Hazard Note | Irritant/Keep Cold |
5-戊内酯 - Reference Information
| LogP | 0 at 23℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | delta-valerolactone is an intermediate in organic synthesis and pharmaceutical research and development, which can be used in laboratory organic research and development processes and chemical and pharmaceutical synthesis processes. |
| Biological activity | δ-Valerolactone (Tetrahydro-2H-pyran-2-one, 5-Valerolactone, oxan-2-one) is an endogenous metabolite. |
Last Update：2024-04-09 20:52:54
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View History
5-戊内酯
1-苯基-4-氨基哌啶
FMOC-D-4-噻唑丙氨酸
1-苯基环丙胺盐酸盐
Thioindigo Pink R
盐酸多奈哌齐D4
氮杂胸腺嘧啶
突厥烯酮(大马酮)
1,1-DICHLORO-2,3-DI(CHLOROMETHYL)CYCLOPROPANE
1-苯基-4-氨基哌啶
FMOC-D-4-噻唑丙氨酸
1-苯基环丙胺盐酸盐
Thioindigo Pink R
盐酸多奈哌齐D4
氮杂胸腺嘧啶
突厥烯酮(大马酮)
1,1-DICHLORO-2,3-DI(CHLOROMETHYL)CYCLOPROPANE