Undecylenic Acid

化学的特性Undecylenic acid is an organic unsaturated fatty acid derived from castor oil. It is the common name of 10-undecenoic acid, (CH2CH(CH2)8COOH). It is used in the manufacture of pharmaceuticals, cosmetics and perfumery, including antidandruff shampoos , antimicrobial powders and as a musk in perfumes and aromas. Undecylenic acid is produced by cracking of castor oil under pressure.

解説10-ウンデセン酸,脂肪および果実様の強い香気をもつ黄色の液体．融点24.5 ℃，沸点275 ℃，131 ℃(0.13 kPa)．d425"0.9072．nD25"1.447～1.450．水にほとんど不溶，エタノールに可溶．還元すればウンデカン酸に，酸化すればセバシン酸になる．皮膚疾患，白癬(せん)菌および糸状菌に対する治療薬として用いられる．森北出版「化学辞典（第2版）

説明Undecylenic acid (C11) or also called 10-undecenoic acid is an organic unsaturated fatty acid derived from castor oil by cracking. Undecylenic acid is an FDA approved active ingredient in medications for skin infections, and relieves itching, burning, and irritation. In technical applications it is used because if its antifungal properties.appearance (25°C) White or very pale yellow crystalline mass or clear colourless pale yellow liquid acid value mg KOH/g 295 - 304 saponification mg KOH/g 295 - 304 iodine value) gI2/100g 132 - 136 congealing point °C 23 - 24 Purity by GC % min. 99%

天然物の起源Reported found as a metabolite in Rhodotorula glutinis var. lusitanica; naturally occurring in the essential oils of Juniperus chinensis, Thujopsis dolabrata and skim milk powder

使用10-Undecenoic Acid, is used for the manufacture of pharmaceuticals, cosmetics and perfumery, including antidandruff shampoos, antimicrobial powders and as a musk in perfumes and aromas.

一般的な説明10-Undecenoic acid undergoes copolymerisation with ethylene using the metallocene catalyst system Cp2ZrCl2 / methylaluminoxane.