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Citronellol

시트로넬롤 C화학적 특성, 용도, 생산

순도시험

  (1) 비중 : 이 품목의 비중은 0.850～0.860이어야 한다.

  (2) 굴절률 : 이 품목의 굴절률 은 1.454～1.462이어야 한다.

  (3) 용상 : 이 품목 2mL를 70% 에탄올 4mL에 녹일 때, 그 액은 징명하여야 한다.

  (4) 산가 : 이 품목의 산가는 향료시험법 중 산가측정법에 따라 시험할 때, 1 이하이어야 한다.

  (5) 에스테르가 : 이 품목 약 5g을 정밀히 달아 향료시험법 중 에스테르가 및 에스테르함량측정법에 따라 시험할 때, 1 이하이어야 한다.

  (6) 알데히드류 : 이 품목 약 5g을 정밀히 달아 향료시험법 중 알데히드류 및 케톤류함량측정법의 히드록실아민법 제2법에 따라 시험할 때, 0.5N 염산의 소비량은 1.3mL 이하이어야 한다.

확인시험

  이 품목 1mL에 무수초산 1mL 및 인산 1방울을 넣고 10분간 미온에서 방치하고, 물 1mL를 넣고 온탕중에서 5분간 흔들어 섞고 이 액을 식힌 다음 탄산나트륨시액으로 미알카리성으로 하면 특이한 향기가 발생한다.

정량법

  이 품목은 향료시험법 중 알콜류함량측정법 제1법에 따라 시험한다. 다만 아세틸화유 약 1g을 이용한다.

개요

Citronellol is a kind of natural occurring acyclic monoterpenoid which can be found in citronella oils such as Cymbopogon nardus ((+)-citronellol) and rose oils and Pelargonium geraniums ((-)-citronellol). In addition to be extracted from natural oils, it can also be manufactured by the hydrogenation of geraniol or nerol. It is mainly used in perfumes and insects repellents as well as being used as a mite attractant. It should be noted that it is an excellent mosquito repellent at short distances. Combination with beta-cyclodextrin can make it has an average duration time of 1.5 hour against the mosquitoes. It can also be used for the manufacture of rose oxide. One of its most common applications is for adding floral and citrus notes to perfumes, soaps and cosmetics.

화학적 성질

Citronellol has a characteristic rose-like odor. Because odor plays such an important part in selecting this material, there may be special grades of citronellol that do not meet the Essential Oil Association specification. These limits have been broadened enough to include best qualities of commercial citronellol and chemically pure citronellol. l-Citronellol has a sweet, peach-like flavor; d-citronellol has a bitter taste.

출처

l-Citronellol has been found in the plants of the Rosaceae family; d- and dl-citronellol have been identified in Verbenaceae, Labiatae, Rutaceae, Geraniaceae and others; citronellol has been reported in about 70 essential oils and in the oil of Rosa bourbonia; the Bulgarian rose oil has been reported to contain more than 50% l-citronellol, whereas East African geranium contains more than 80% of the d-isomer; the natural product is always optically active. Reported found in guava fruit, orange, bilberry, blackcurrant, nutmeg, ginger, corn mint oil (Mentha arvensis L. var. piperascens), mustard, pennyroyal oil (Mentha pulegium L.), hop oil, tea, coriander seed, cardamom, beer, rum, and apple juice.

용도

citronellol is a constituent of plant essential oils. Found abundantly in eucalyptus oil. It is used for masking odor or providing a fragrance component to a cosmetic product.

정의

ChEBI: A monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7.

제조 방법

By reduction of citronellal or geraniol or by fractional distillation of such essential oils as geranium and citronella (Bedoukian, 1967).

일반 설명

Citronellol is a volatile monoterpenic primary alcohol mainly found in the essential oil of plants such as Pelargonium graveolens, Cymbopogon winterianus and Rosa damascena. It is also one of the glycosidically bound aroma compounds in ginger.

Safety Profile

Poison by intravenous route. Moderately toxic by ingestion, skin contact, and intramuscular routes. A severe skin irritant. A combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALCOHOLS.

Purification Methods

Purify them bydistillation through a cannon packed (Ni) column and the main cut collected at 84o/14mm and redistilled. Also purify via the benzoate. [IR: Eschenazi J Org Chem 26 3072 1961, Naves Bull Soc Chim Fr 505 1951, Beilstein 1 IV 2188.]

참고 문헌

https://eic.rsc.org/magnificent-molecules/citronellol/2000020.article
https://en.wikipedia.org/wiki/Citronellol

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시트로넬롤 공급 업체

공급자	전화	이메일	국가	제품 수	이점
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	sales@hbmojin.com	China	12470	58
Hebei Duling International Trade Co. LTD	+8617333973358	sales01@hbduling.cn	China	15626	58
Hebei Kingfiner Technology Development Co.Ltd	+86-15532196582 +86-15373005021	lisa@kingfinertech.com	China	3003	58
Shaanxi Haibo Biotechnology Co., Ltd	+undefined18602966907	qinhe02@xaltbio.com	China	1000	58
Hebei Jingbo New Material Technology Co., Ltd	+8619931165850	hbjbtech@163.com	China	1000	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	18214	58
Hebei Saisier Technology Co., LTD	+86-18400010335 +86-18034520335	admin@hbsaisier.cn	China	945	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	+8613343047651	admin@zlchemi.com	China	2852	58
Hebei Longbang Technology Co., LTD	+86-18032476855 +86-18032476855	admin@hblongbang.com	China	930	58
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60

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