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para Cymene
p-Cymene is transparent liquid, found in essential oils, has a tang of terpenes with orange odor or carrot odor. It can be extracted from Dipentene on the reactions of dehydrogenation and disproportionation by Raney nickel or Pd/C as catalyst. In this method, it is easy separating and have a higher yield than alkylation by Toluene. The great quality of p-Cymene used as material to synthesis Tonalide.
Substance Identification
| Synonyms | ρ-Cymene | 1-Isopropyl-4-methylbenzene, 4-Isopropyltoluene |
| CAS | 99-87-6 |
| EINECS | 202-796-7 |
| FEMA | 2356 |
| HS.CODE | 290420 |
| Molecular Formula | C10H14 |
| Moleclar Weight | 134.22 |
Application & Uses
- the great quality of p-Cymene used as material to synthesis Tonalide
- food flavors
- flavors of daily products, such as soaps, cleaning solvent
- pharmaceutical ingredients, has expectorant, cough efficacy
Features & Benefits
Sales Specification
| ITEM | VALUE |
|---|---|
| Appearance | Slightly yellow viscous liquid |
| Purity, GC, % | ≥98 |
| Refractive Index, @ n20/D | 1.488~1.492 |
| Relative Density, @ d20/20 | 0.854~0.860 |
| Moisture, by K.F, % | ≤0.1 |
| Iodine Value | ≤2.0 |
Similar Specs
GHS Hazard Statements
Storage
- containers which are opened must be carefully resealed and kept upright to prevent leakage
- keep container tightly closed in a dry and well-ventilated place
- store in cool place
| GHS Hazard Statements | |
| H-Code | H226/303/304/331/361/411 |
| P-Code | P201/202/210/233/240/241/242/243/261/271/273/280 |
| Response | P301+P310 P303+P361+P353 P304+P340+P311 P312 P331 P370+P378 P391 |
| Storage | P403+P233 P403+P235 P405 |
| Disposal | P501 |
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Remark
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.
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