13505-34-5
2,6-HEPTANEDIONE
CAS: 13505-34-5
Molecular Formula: C7H12O2
13505-34-5 - Names and Identifiers
| Name | 2,6-HEPTANEDIONE |
| Synonyms | Heptanedione 2,6-Heptadione 2,6-HEPTANEDIONE heptane-2,6-dione |
| CAS | 13505-34-5 |
| EINECS | 236-832-8 |
13505-34-5 - Physico-chemical Properties
| Molecular Formula | C7H12O2 |
| Molar Mass | 128.169 |
| Density | 0.9399 |
| Melting Point | 33.5°C |
| Boling Point | 167.6°C (rough estimate) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.4277 |
| Physical and Chemical Properties | Chemical properties White crystals. Melting point 33-34 ℃, boiling point 221-224 ℃,96.5-97 ℃(1.33kPa), relative density 0.9399(37/4 ℃), refractive index 1.4277(37 ℃). Soluble in benzene, ether, ethanol, water. |
| Use | Uses for organic synthesis. The pharmaceutical industry is used for the synthesis of norethisterone 18-methyl. |
13505-34-5 - Upstream Downstream Industry
13505-34-5 - Production method
made from diketene. Mix diketene with water, add 37% formaldehyde solution dropwise under cooling, and react at 10 ℃ for 2-3h. Then slowly heat to 40 ℃, the reaction releases carbon dioxide, heat preservation reaction for 10-12h, and then extract with benzene. After benzene is recovered from the extract, it is distilled under reduced pressure to collect the 90-101 ℃(1.02-1.47kPa) fraction, and then cooled, crystallized, washed and dried to obtain heptadione.
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for 13505-34-5
Pentanediamide, N1,N5-dimethoxy-N1,N5-dimethyl-
2-Pentanone, 5-(2-methyl-1,3-dioxolan-2-yl)-
2,5-HEPTANEDIONE
2-Heptanone
2-Pentanone, 5-(2-methyl-1,3-dioxolan-2-yl)-
2,5-HEPTANEDIONE
2-Heptanone
Downstream Products for 13505-34-5