PCM-Phase Change Material N-Nonadecane；Nonadecane
CAS: 629-92-5
EINECS: 211-116-8
Molecular formula: C19H40
Molecular weight: 268.5209
N-nonadecane, with a molecular formula of C19H40, is an alkane compound with a high degree of symmetry. It belongs to the normal alkane series, between n-pentane and n-eicosane. The molecular structure of n-nonadecane shows a high degree of branching symmetry, and its carbon chain skeleton consists of 19 carbon atoms arranged linearly. The hydrogen atoms in the molecule are distributed on the carbon chain to form four equivalent methyl groups (-CH3) and ten equivalent methylene groups (-CH2-).
The physical properties of n-nonadecane show typical alkane characteristics as the molecular weight increases. At room temperature, n-nonadecane is a colorless to slightly yellow liquid with a density of about 0.71 g/ml. Its boiling point is 253 degrees Celsius, flash point is 111 degrees Celsius, and ignition point is 371 degrees Celsius. N-nonadecane is insoluble in water, but can be mixed with organic solvents such as alcohol and ether.
N-nonadecane has important research value in the field of chemistry. As a representative of alkanes, it provides an important model system for studying alkylation reactions, metal organic compound catalysts, and carbon-hydrogen bond activation. N-nonadecane is also widely used in petrochemicals, organic synthesis, and materials science.
As a raw material, n-nonadecane has a wide range of industrial applications. For example, in the field of petrochemicals, it can be used as a raw material for the production of lubricants, naphtha, fuel oil and other products. In addition, n-nonadecane can also be used to make chemicals such as surfactants, detergents, softeners, etc. In the biological field, n-nonadecane is also used as a synthetic raw material for biofuels and bio-oils.
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