Birch tar

Birken-holz, n. birch wood, -holzteer, m. birch-(wood) tar. -holzteerseifc, /, birch tar soap, -kampher, m, birch camphor, betulin. -kohle, /, birch charcoal, -rinde, /, birch bark. -liftdaiUil, -61, n. oil of betula, cdl of sweet bircb. -teer, m. tdrch tar. -teerdt, n. birch tar oil. 

Castoreum is an unpleasantly sharp-smelling, oily substance secreted by special glands of beavers. Castor fiber L. (Castoridae), living in Canada, Alaska, and Siberia. Both sexes secrete the substance, which accumulates in an abdominal pouch, also called castoreum. Dilute castoreum (e.g., as a tincture in ethanol) smells pleasantly of birch tar and musk and is slightly fruity. 

Naturals containing phenols cause discoloration (e g., oakmoss, birch tar, castoreum, and oils containing eugenol)... 

Birch Tar Oil, Rectified, occurs as a clear, dark brown liquid with a strong leather odor. It is the pyroligneous oil obtained by dry distillation of the bark and the wood of Betula pendula Roth and related species of Betula (Fam. Betulaceae) and rectified by steam distillation. It is soluble in most fixed oils, but it is insoluble in glycerin, in mineral oil, and in propylene glycol. 

The use of coumarin, tonka bean, safrole, sassafras oil, dihydrosafrole, isosafrole, agaric acid, nitrobenzene, dulcamara, pennyroyal oil, oil of tansy, rue oil, birch tar oil, cade oil, volatile bitter almond oil containing hydrocyanic acid, and male fern as flavouring agents is prohibited. 

INTERMEDIATE EXPOSURE Systemic Rabbit 10wk5d/wk (Australian albino) Dermal 10 M r,, . (small visible comedones Percent (%) fn2wks) Kligman and Kligman 1994 birch tar... 

S1, Birch Tar Oil, Empyreumatic. Oil white birch olcun nisei. Obtained by destructive distillation of the bark and wood of Beiula alba L., Betulaceae (while birch). Con-ilfr. Oil turpentine, other isomeric hydrocarbons, various anpyreumatic resins, guaiacol, cresol, pyrocatechol, betulin. 

SI. Birch Tar Oil, Rectified. "Essenlial oil of birch wood". Obtained from the empyreumatic oil by steam distillation. Constit. Phenol, cresol, xyienol, guaiacol, Creosol. pyiDcatecbol. 

Synonyms Betula alba Betula alba oil Betula lenta Betula lenta oil Birch oil Birch tar oil Black birch oil Sweet birch oil... 

Synonyms Betula pendula tar oil Birch tar oil Birch tar oil, rectified... 

Birch oil. See Birch (Betula alba) oil Birch sap. See Birch (Betula alba) sap Birch tar oil. See Birch (Betula pendula) tar oil Birch (Betula alba) oil Birch tar oil, rectified. See Birch (Betula pendula) tar oil... 

Birch tar bergamia (Rlsso et Poit.) Engl. Betula pendula Roth. (s)m. Betulaceae Bark/wood Wild LQ... 

Birch Tar Soap, containing 5 or 10 per cent, birch tar, which, has a characteristic pungent odour and is recommended as a remedy for eczema and psoriasis. 

Natural materials can be affected by all three types of IFRA standards standard prohibition of the use of a material restriction of the use of the material or purity requirements for its use or a combination of standards. Furthermore, natural ingredients can be indirectly limited via the limitation of their constituents. For example. Fig leaf Ficus car-ica, has been prohibited because of its phototoxic and sensitizing properties. Birch wood pyrolysate (birch tar oil) is a fragrance ingredient from the destructive distillation of the wood or bark of Betula pubescens, B. pendula, or B. alba. It has a smokey burnt wood leathery note and may be used only if the oil has been purified (rectifed) to reduce the... 

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