Fixatives benzoin

Frankincense and myrrh can be prepared in the form of both resinoids and essential oils, whereas benzoin, which is insufficiently volatile to be distilled, is a resinoid only. Resinoids are used in the perfumery industry as fixatives that prolong the fragrance effects. 

The polymer-bound photoinitiators have been used to prepare photocurable formulations with epoxyacrylates, urethaneacrylates, trimethylolpropane triacrylate (TMPTA) and HDDA [108]. The above formulations have been UV irradiated on film matrix and the extent of photocuring evaluated in terms of degree of residual acrylic unsaturation at a fixed reaction time. As reported in Table 20, the polymer-bound BAE systems display an appreciably higher photoinitiation activity as compared with that of the low-molecular-weight analogue benzoin isobutyl ether (BIBE) ... 

Properties Dk. brn. vise, liq., pleasant vanilla odor sol. in fixed oils si. sol. in propylene glycol insol. in water, glycerin dens. 1.150-1.170 Toxicology LD50 (oral, rat) > 5 g/kg, (skin, rabbit) >10 g/kg low toxicity by ing. and skin contact skin irritant mild allergen can cause contact dermatitis and stuffy nose common sensitizer may cross react with benzoin, rosin, benzoic acid, benzyl alcohol, cinnamic acid, essential oils, storax, etc. TSCA listed Precaution Combustible when heated Hazardous Decomp. Prods. Heated to decomp., emits acrid smoke and irritating fumes... 

A sterile dressing is fixed to the skin with tincture of benzoin and adhesive tape, and the intravenous delivery tubing is changed. 

Benzoin, especially Siam benzoin, has anti-oxidative and preservative properties and is used in cosmetics for these properties. The resinoid is extensively used as a fixative in perfumes, soaps, detergents, creams, and lotions, in amounts up to 0.8% in perfumes (arctander). ... 

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