629-94-7 Usage
Description
N-Heneicosane, also known as Heneicosane, is an alkane with a straight-chain structure consisting of 21 carbon atoms. It is a white waxy solid that has been isolated from plants such as Periploca laevigata and Carthamus tinctorius. Heneicosane is found in coal tars and fossil organic matter, and it is usually present in the form of paraffin wax.
Uses
Used in the Petrochemical Industry:
N-Heneicosane is used as a component in the petrochemical industry due to its high flashpoint, which makes it an inefficient fuel. However, its properties can be utilized in other applications within the industry.
Used in Cosmetics and Personal Care Industry:
N-Heneicosane is used as an emollient, viscosity increasing agent, and opacifying agent in the cosmetics and personal care industry. Its waxy nature provides a smooth texture and helps to improve the consistency of various products.
Used in the Pharmaceutical Industry:
N-Heneicosane is used as an excipient in the pharmaceutical industry, particularly in the formulation of topical medications and ointments. Its solid state and waxy texture can enhance the delivery and stability of active ingredients.
Used in the Lubricant Industry:
Due to its waxy nature and high flashpoint, N-Heneicosane can be used as a lubricant or an additive in the lubricant industry to improve the performance and longevity of lubricants.
Used in the Candle Making Industry:
N-Heneicosane's waxy solid state makes it suitable for use in the candle making industry, where it can be used as a component in the production of candles, providing a clean and stable burn.
Synthesis Reference(s)
Tetrahedron Letters, 17, p. 2643, 1976 DOI: 10.1016/S0040-4039(00)91757-X
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Saturated aliphatic hydrocarbons, such as N-HENEICOSANE, may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. When heated sufficiently or when ignited in the presence of air, oxygen or strong oxidizing agents, they burn exothermically to produce carbon dioxide and water.
Check Digit Verification of cas no
The CAS Registry Mumber 629-94-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,2 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 629-94:
(5*6)+(4*2)+(3*9)+(2*9)+(1*4)=87
87 % 10 = 7
So 629-94-7 is a valid CAS Registry Number.
InChI:InChI=1/C21H44/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h3-21H2,1-2H3
629-94-7Relevant articles and documents
Practical synthesis of pheromone components of Achaea janata (Noctuidae)
Yadav,Kache, Rajashaker,Venkatram Reddy,Chandrasekhar
, p. 4249 - 4255 (1998)
A practical synthesis of pheromone components of Achaea janata utilising double alkylations on TosMIC as key steps has been achieved.
Selective Catalytic Hydrogenolysis of Carbon-Carbon σ Bonds in Primary Aliphatic Alcohols over Supported Metals
Di, Lu,Yao, Sikai,Li, Mengru,Wu, Guangjun,Dai, Weili,Wang, Guichang,Li, Landong,Guan, Naijia
, p. 7199 - 7207 (2015/12/11)
The selective scission of chemical bonds is always of great significance in organic chemistry. The cleavage of strong carbon-carbon σ bonds in the unstrained systems remains challenging. Here, we report the selective hydrogenolysis of carbon-carbon σ bonds in primary aliphatic alcohols catalyzed by supported metals under relatively mild conditions. In the case of 1-hexadecanol hydrogenolysis over Ru/TiO2 as a model reaction system, the selective scission of carbon-carbon bonds over carbon-oxygen bonds is observed, resulting in n-pentadecane as the dominant product with a small quantity of n-hexadecane. Theoretical calculations reveal that the 1-hexadecanol hydrogenolysis on flat Ru (0001) undergoes two parallel pathways: i.e. carbon-carbon bond scission to produce n-pentadecane and carbon-oxygen bond scission to produce n-hexadecane. The removal of adsorbed CO on a flat Ru (0001) surface is a crucial step for the 1-hexadecanol hydrogenolysis. It contributes to the largest energy barrier in n-pentadecane production and also retards the rate for n-hexadecane production by covering the active Ru (0001) surface. The knowledge presented in this work has significance not just for a fundamental understanding of strong carbon-carbon σ bond scission but also for practical biomass conversion to fuels and chemical feedstocks.
Decarboxylation of fatty acids over Pd supported on mesoporous carbon
Simakova, Irina,Simakova, Olga,M?ki-Arvela, P?ivi,Murzin, Dmitry Yu.
experimental part, p. 28 - 31 (2010/11/16)
Fatty acid decarboxylation was studied in a semibatch reactor over 1 wt.% Pd/C (Sibunit) using five different fatty acids, C17-C20 and C22, as feeds. The same decarboxylation rates were obtained for pure fatty acids, whereas extensive catalyst poisoning and/or sintering and coking occurred with low purity fatty acids as reactants. One reason for catalyst poisoning using behenic acid (C22) as a feedstock was its high phosphorus content. The decarboxylation rate of fatty acids decreased also with increasing fatty acid to metal ratio.
