INTRODUCTION
Chrysanthemic acid is a cyclic organic compound. The product occurs naturally in its ester form in pyrethrum flowers. It is also found as metabolite of pyrenthrins. The acid carries a sweet odor thereby enabling its uses in flavors and is used to synthesize agrochemicals as well.
Manufacture
Chrysanthemic acid is commercially manufactured from dimethylhexanol. The first step is dehydration of the alcohol. The resultant so formed undergoes addition with ethyl diazoacetate to produce the acid.
| Synonyms | 2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid 3-Isobutenyl-2,2-dimethylcyclo-propanecarboxylic acid |
| CAS no. | 10453-89-1 |
| EINECS no. | 233-941-2 |
| Molecular formula | C10H16O2 |
| Molecular weight | 168.23 |
| Structure |  |
Applications
| Agrochemicals | It is a key raw material for production of the following insecticides: – Allethrin – Phenothrin – Resmethrin – Tetramethrin |
| Flavors and Fragrances | The acid is consumed in making fragrances with herbal, sweet odor |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Purity | % | Min 98.0 |
| Single impurity | % | Max 0.5% |
STORAGE
Stored at ambient temperature.
PACKING
Standard packing offered by supplier.
REACH Status
Not registered yet.
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