Chemical substances

STH tert - butanol for hromatogr. (3 ml) 2 - Metil - 2 - propanol (tertiary butyl alcohol, tert - butanol, trimetilkarbinol, 1,1 dimethylethanol) — the representative of tertiary monoatomic alcohol. Colourless fusible crystals. Mixes up with water, gives with it constant boiling mixture (t. kip....

STH ethyl benzene for hromatogr. (3 ml) Ethyl benzene — organic substance of class of hydrocarbons. Density: 866,50 kg/m ³ Boiling temperature: 136 °C At transmission of vapors of ethyl benzene over catalysts the styrene which is raw materials by production of important industrial products —...

STH tridekan for hromatogr. (3 ml) Tridekan (N - tridekan) — organic compound of class of alkanes. Under normal conditions substance represents colorless inflammable liquid, with a density of 0,7568 g/ml, water - insoluble, but well soluble extra polar solvents. Tridekan contains in oil products...

STH perchloromethane for hromatogr. (3 ml) Perchloromethane - colorless liquid with pungent sweetish smell; mixes up with many organic solvents, it is practically not soluble in water, but forms with it constant boiling mixture. When heating to 250 °C chetyrekhloristy carbon with lack of water is...

STH hendecane for hromatogr. (3 ml) Synonyms: gendekan Gross - formula (system Hilla): C11H24 Molecular weight (in a. e. m. ): 156,31 Melting temperature (in °C): - 25,6 Boiling temperature (in °C): 195,9 Solubility (in / 100 or the characteristic): water: it is not soluble Plotnost: 0,741 (20 °C,...

STH cyclohexanol for hromatogr. (3 ml) HCh Cyclohexanol (Hexalin) — alicyclic alcohol; formula C6H11OH. Colourless crystals with slight smell of camphor, tpl 25,15 °C, tkip 161,1 °C, density are 0,942 g/cm ³ (30 °C). Let's dissolve in water (4 — 5% at 20 °C), mixes up with the majority of organic...

STH cyclopentane for hromatogr. (3 ml) Cyclopentane, C5H10 — hydrocarbon of alicyclic row. Formula: C5H10 Boiling temperature: 49 °C Density: 751,00 kg/m ³ Molar mass: 70,1 g/mol The main way of receiving cyclopentane — ketopentamethylene recovery. It is applied as coolant in refrigerating...

STH ethanol for hromatogr. (3 ml) Ethanol — monoatomic alcohol with formula C2H5OH, other option: CH3 - CH2 - OH, the second representative of homologous series of monoatomic alcohol, at reference conditions volatile, combustible, colorless transparent liquid. Formula: C2H6O Density: 789,00...

STH the P - xylol for hromatogr. (3 ml) Xylols (dimethylbenzenes) (CH3)2C6H4, pier. m 106,16; bestsv. liquid (tab. 1) with benzene smell. Mix up with ethanol, diethyl ether, acetone, chloroform, benzene; r - rimost in water less than 0,015% . Xylols - typical aromatich. hydrocarbons; are easily...

STH P - cresol for hromatogr. (3 ml) Cresols (methylphenols, hydroxytoluenes) — Exist orto - , meta - and para - isomers - colourless crystals or liquids. Cresols are well soluble in ethanol, diethyl ether, benzene, chloroform, acetone; are soluble in water, solutions of alkalis (with formation of...

STH octane for hromatogr. (3 ml) Octane (N octane) — organic compound of class of alkanes. Colorless liquid with specific smell; octane value 17 — 19. The octane contains in petrol fraction of oil and products of its destructive processing, in alkylate, is formed at hydrocarbon synthesis by...

STH octadecane for hromatogr. (3 ml) Octadecane — organic chemical compound of class of alkanes. Appearance: crystals (rastvoritelperekristallization - ethanol)Gross - formula (system Hilla): C18H38Formula in the form of the text: CH3(CH2)16CH3Molecular weight (in a. e. m. ): 254,5Melting...

STH the O - xylol for hromatogr. (3 ml) Orthoxylol (au - Ksilol, IYuPAK: 1,2 dimethylbenzene) — organic substance, aromatic hydrocarbon. It is colorless liquid, mixes up with ethanol, diethyl ether, acetone, chloroform, benzene; water solubility less than 0,015% . For synthesis processes of...

STH propylaldehyde for hromatogr. (3 ml) Propanal — aldehyde of propionic acid. Is acetone isomer. Formula: C3H6O Density: 810,00 kg/m ³ Molar mass: 58,08 g/mol On chemical properties - the typical representative of saturated aldehydes. At oxidation of propylaldehyde in the presence of...

STH O - cresol for hromatogr. (3 ml) Cresols (methylphenols, hydroxytoluenes) — Exist orto - , meta - and para - isomers - colourless crystals or liquids. Cresols are well soluble in ethanol, diethyl ether, benzene, chloroform, acetone; are soluble in water, solutions of alkalis (with formation of...