Fragrances violet

Orris. Orris is produced from rhi2omes of Ins pallida and Ins germanica. The plants are found and cultivated mosdy ia Italy, but also ia Morocco and China. It is used ia perfumery as an absolute, a steam-distilled essential oil, and a concrete. The last material, which is a low melting soHd (due to a high content of myristic acid) and therefore erroneously called a concrete, is by far the most used. Orris has a violet-like odor useful ia fine perfumes, luxury soaps, and fragrances for powders and other cosmetic products. Its most important odor contributors are the irones, of which the most important isomer... 

Ionones and Methyl Ionones Manufacture. The discovery of ionones and methyhonones was an early example of the need to develop synthetic fragrance materials because of the high cost of natural materials. The aroma of violet flowers was important to perfumery and led to the development of ionones and methyhonones at the end of the nineteenth century. 

Nonadienol is a powerful fragrance substance. It is used in fine fragrances to create refined violet odors and to impart interesting notes to other blossom compositions. In aroma compositions it is used for fresh-green cucumber notes. FCT 1982 (20) p.771. 

In addition to the straight-chain saturated aldehydes, a number of branched-chain and unsaturated aliphatic aldehydes are important as fragrance and flavoring materials. The double unsaturated 2-trviolet leaf aldehyde (the dominant component of cucumber aroma), is one of the most potent fragrance and flavoring substances it is, therefore, only used in very small amounts. 2-frfatty odor character is indispensible in chicken meat flavor compositions. 

Mignonette.—This plant—-reseda odorata—is widely cultivated in Grasse and Cannes for ite flowers, which are characterized by a peouliar and vary delicate fragrance. The odor is extracted by the process of enfleurage and te give it consistency, the extract is generally mixed with a little violet. 

Because of the chemical stability of many of the constituents of the violet note, as well as of fruity notes and musks such as Galaxolide, in acid media, fragrances somewhat reminiscent of Paris can be found... 

The most used fragrances of the Greeks were rose, saffron, frankincense, myrrh, violets, spikenard, cinnamon and cedarwood, and to obtain these aromatics they traded far and wide throughout the Mediterranean and Middle East. 

CH3(CH2)10CHO, C12H240, Mt 184.32, hpU3 k,a 185 °C, df 0.8352, rag°1.4350, is a colorless liquid with a waxy odor in high dilution it is reminiscent of violets. Dodecanal occurs in several citrus oils and has been found in small amounts in essential oils obtained from several Pinus species. It is used in perfumery in conifer fragrances with fatty-waxy notes, but also in many other odor types. It is added to aroma compositions to obtain citrus notes. 

C9H15NO, Mr 153.22, ref 1.440-1.450, df 0.902-0.912, is a colorless to pale yellow liquid with a green, floral, violet and cucumber-like odor. Due to its stability it is recommended for fragrance compositions for nearly all technical applications. 

The A. C,-C,2 occur in many essential oils, especially in citrus oils, coriander, caraway (C, and C9) and rose oil (C,-C o), as well as in traces in many aromas Their odors are described as orange-like (Cj), fatty-flowery, citrus-like (C,), fatty orange-like (C,o), flowery-fatty, rose-like (C,), and flowery-waxy, when highly diluted violet-like (0,2). Apart from citrus aromas Cg-C 2-A. are mainly used in perfumery for fragrances with an emphasis on aldehyde odors, e.g., of the Chanel No. 5 type. 

Spring also provides fantastic fragrances Just after winter, one can smell the heavenly aroma of violets and hyacinths, sometimes the subtle scent of bird cherry is brought by the wind from far... 

Irenes are fragrances in the oil of the dried rhizomes of various Iris species cultivated in Italy and Morocco Iris germanica, I. florentina, I. pallida, Liliaceae) which is misleadingly referred to as oil of violet because of its pleasant violet-like odor. In fact, ionones (C13, section 7.4) which belong to the class of megastigmanes and not irones (Cu) are the shaping fragrances of violets Viola odorata, Viola-ceae). 

Constituents of violet flower oil. Undiluted, a-ionone smells of cedar wood by dilution with alcohol, the violet fragrance clearly emerges. 

The central intermediate for all manufacturing methods of Vitamin A and j -carotene is ) -ionone, for which the production process has already been discussed in connection with the fragrances of violets (c/ section 3.2.3). To briefly recapitulate the essentials of the different strategies The starting material used hy Hoffmann-La Roche was acetylene, while BASF used isobutylene, and... 

Properties Colorless to yish. liq. flowery, violet, woody, fruity, orris-like odor sol. in 5 parts 70% alcohol insol. in water m.w. 206.30 dens. 0.9304 b.p. 93 C (31 mm) flash pt. 120 C ref. index 1.5000-1.5020 Precaution Combustible Uses Fragrance in cosmetics, floral perfumes (esp. violet), soaps, laundry care, household prods. synthetic flavoring agent in foods and... 

Violet Windsor Soap is made om lard, 50 parts palm-oil, 33 parts and spermaceti, 17 parts and the perfume employed is essence of Portugal, to which a Utile oil of cloves is added- The well-known violet odour of the palm-oil, modified by the perfumes, gives au agreeable fragrance to the soap. 

The following ketone, isolated from the roots of several members of the iris family, has an odor like that of violets and is used as a fragrance in perfumes. Describe the synthesis of this ketone from benzene. (See Examples 9.7,9.9)... 

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