2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE
phorone
CAS: 504-20-1
Molecular Formula: C9H14O
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE - Names and Identifiers
| Name | phorone |
| Synonyms | phorone Diisopropyllideneacetone 2,6-dimethylhepta-2,5-dien-4-one 2,6-Dimethyl-2,5-heptadien-4-one |
| CAS | 504-20-1 |
| EINECS | 207-986-3 |
| InChI | InChI=1/C9H14O/c1-7(2)5-9(10)6-8(3)4/h5-6H,1-4H3 |
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE - Physico-chemical Properties
| Molecular Formula | C9H14O |
| Molar Mass | 138.207 |
| Density | 0.858g/cm3 |
| Melting Point | 23-26℃ |
| Boling Point | 198.5°C at 760 mmHg |
| Flash Point | 79.4°C |
| Vapor Presure | 0.358mmHg at 25°C |
| Vapor Density | 4.8 (vs air) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.453 |
| Physical and Chemical Properties | Chemical properties yellow liquid or with yellow-green prismatic crystals. Melting point 28 ℃, boiling point 198-199 ℃,88 ℃(2.26kPa), relative density (20/4 ℃)0.885, refractive index (nD21)1.4968. Soluble in alcohol and ether. Insoluble in water. |
| Use | Uses Used as solvent. Used in the production of synthetic resins, fibers, pharmaceutical intermediates, lubricating oil additives, deodorants. |
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | MI5500000 |
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE - Upstream Downstream Industry
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE - Production method
It is obtained by acetone catalytic condensation and dehydration. The amount of sodium hydroxide (or potassium) catalyst was 0.12-0.2%, and the reaction was carried out at 200-210 ℃ for 1-1.5h. The conversion rate of acetone was 30-35%, the yield of phorone was 65-70%, the yield of diacetone was 16%, the yield of isopropylidene acetone was 7%, and the yield of high boiling point was 3-7%.
Last Update：2024-04-10 22:29:15
2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE - Nature
| Merck | 7333 |
| EPA chemical information | Phorone (504-20-1) |
Last Update：2024-04-09 20:49:11
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View History
Raw Materials for 2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE
2-BROMOBENZYLAMINE
4-AMINOMETHYL-BENZOIC ACID ETHYL ESTER
3,5,5-TRIMETHYL-2-CYCLOHEXEN-1-OL
3-Bromobenzylamine
1-Phenyl-2-propen-1-one
4-AMINOMETHYL-BENZOIC ACID ETHYL ESTER
3,5,5-TRIMETHYL-2-CYCLOHEXEN-1-OL
3-Bromobenzylamine
1-Phenyl-2-propen-1-one
Downstream Products for 2,6-DIMETHYL-2,5-HEPTADIEN-4-ONE