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Cas No: 112-42-5
No Data No Data No Data Dalian Ruiying Technology Co., Ltd. Contact Supplier
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USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
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No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Own lab offer 1-UNDECANOL 112-42-5 C11H24O with best price
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USD $ 1.0-1.0 / Gram 100 Gram 50 Kilogram/Month HENAN SUNLAKE ENTERPRISE CORPORATION Contact Supplier
Undecanol CAS NO.112-42-5
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No Data 1 Gram 10 Metric Ton/Month Crovell Biotech (Hebei) Co., Ltd. Contact Supplier
1-UNDECANOL 112-42-5
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USD $ 500.0-500.0 / Kilogram 1 Kilogram 100 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
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No Data 1 Kilogram 500 Metric Ton/Month Weifang Tansen Yiang international trading co., LTD Contact Supplier
1-Undecanol/ LIDE PHARMA- Factory supply / Best price
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No Data 10 Gram Metric Ton/Day Jilin Tely Imp.& Exp.Co., Ltd. Contact Supplier
1-Undecanol manufacturer
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No Data No Data No Data Shaanxi Mingqi Chemical Co., Ltd Contact Supplier

112-42-5 Usage


ChEBI: A fatty alcohol that is undecane substituted by a hydroxy group at position 1.

Chemical Properties

Colorless liquid; citrus odor. Soluble in 60% alcohol. Combustible.


1-undecanol, being an organic chemical with molecular formula C11H24O and scented with lemon, is a colorless or pale yellow , water insoluble but alcohol and ether soluble liquid. It is prepared from metal sodium reduction of Ethyl undecanoate, or pressurization and catalytic hydrogenation of ethyl ω- undecanoate , or even obtained by the Grignard reaction of nonyl magnesium bromide and with ethylene oxide. The application of this alcohol is limited. It is only used for some typical aroma oil and fragrance as the fat is solid at low temperature. The citrus rose type and the like only play a secondary and harmonious role and are taken as deodorant. In addition, it is also used to manufacture spices with the scent of acacia, polianthes tuberosa and the like.


1-Undecanol is an antifungal, antioxidant compound. As well, it is used in the synthesis

Chemical Properties

It is colorless liquid at room temperature; scented with light sweet fat wax mixed with the scent of roses and fruity flavor of citrus, pineapple and the like. But generally the whole body smells scent of rose, as if a little bit of rue flavor. It will smell like orange after highly diluted with the soft sweet flavor of citrus fruit oil. Its concentration is less than 20 × 10-6 with fruity and sweet scent. Unpleasant fat and smell will be produced when the concentration is higher; Melting point :15 ~ 19 ℃; Flash point> 82 ℃; Density: D4250 .828 ~ 0.834; Refractive index: nD200.4370 ~ 1.4430; water insoluble, soluble in most organic solvents, 1: 4.soluble in 60% ethanol


Although this undecanol is among the common varieties, but it is still not widely used. It is often used together with undecylenic aldenyde or other fat and aldehydes as the integrator of fragrant volatile of aldehyde. Also it can be well integrated with floral fragrance, citrus cologne, acacia, robinia pseudoacacia, tuberose, violets, clean and grass smell, usually used for rose base. Few application is also available in such pineapple, orange, lemon, lime, orange , cassis, rose food flavors.


Be sealed and stored in a cool dry place. Also be kept away from fire.


It is prepared from undecaethylene reduction. Put 200 ml of anhydrous toluene and 70 g of sodium into a 5-liter three-necked flask, and then heat reflux it until sodium is completely melted. Then stop heating, stir quickly to get the sodium to disperse into sand until the temperature drops to 60 ~ C. Then put 107 grams of ethyl undecanoate into 150ml absolute ethanol solution followed by adding 500ml of absolute ethanol. When the reaction is weakened, heat it in an oil bath until the sodium is completely dissolved. Next remove the ethanol and toluene through the method of steam distillation. Then wash the remaining oily substances with 200ml × 3 hot water. Then wash ether layer with a sequence of water, sodium carbonate and then water after the ethyl ether was extracted. Also dry with magnesium sulfate, boil off the ethyl ether. The product will be finally extracted from the residue after reduced pressure distillation. The yield is 70%.

Purification Methods

Purify the alcohol by repeated fractional crystallisation from its melt or by distillation in a vacuum. [Beilstein 1 H 427, 1 IV 1835.]

112-42-5 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (A17817)  1-Undecanol, 98%    112-42-5 500g 1148.0CNY Detail
Alfa Aesar (A17817)  1-Undecanol, 98%    112-42-5 100g 366.0CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017


1.1 GHS Product identifier

Product name undecanol

1.2 Other means of identification

Product number -
Other names 1-Undecanol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:112-42-5 SDS

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