Chemical formulaC27H22Cl2N4 Physical propertiesDark red crystals; mp 210–212°C; um max (in 0.01M methanolic HCl) 284, 486nm Molecular weight473.405 SolubilityIn dil acetic acid; DMF, chloroform (15:1); ethanol (700:1); ether (1000:1); virtually insoluble in water ...
Elucidation of chemical compounds responsible for foot malodour Short-chain fatty acids from the socks and feet of subjects either with strong foot odour or with weak or no foot odour were extracted with ethyl ether, and then analysed by gas chromatography/mass spectrometry (GC/MS). Short chain...
Objective:To investigate the chemical constituents of ethyl ether spirit of seed coat of Iris.Method:To analyze and identify the chemical constituents by GC-MS.Result:We separated the extraction by GC-MS method,and affirmed 26 peaks by NIST workstation and reference documentation.The contents of ...
Its chemical formula is Fe(C5H5)2. It is an orange-yellow powder at room temperature and has a camphor odor. Melting point 172℃-174℃, boiling point 249℃, sublimation above 100℃; insoluble in water, soluble in benzene, ether, gasoline, diesel oil and other organic solvents. It does ...
Cyclic ether chemical compound and general formula (ii) it is displayed with the cation hardening diePROBLEM TO BE SOLVED: To obtain a cationically curing printing ink composition reduced in misting during printing and having excellent suitability even for an overprinting varnish, by combining a ...
NEW MATERIAL:Menthol tetrahydropyranyl ether of formula. USE:Perfumery or a base of stimulant which is a raw material for useful cosmetics, pharmaceuticals, etc. Harmless to the human body. Soluble in various organic compounds, e.g., alcohols such as ethyl alcohol, aromatic compounds such as ...
The reaction was left stirring at room temperature for 21 h. The product was precipitated twice into cold diethyl ether followed by centrifugation. The precipitated product was obtained by filtration followed by solvent removal in vacuo to yield PEG-S-S-TP (176.0 mg, 53%) as a white ...
(-OH). This structure gives it unique physical and chemical properties, such as a melting point of about 24-26 ° C and a boiling point between 255-259 ° C. In addition, 1-dodecanol is not soluble in water but can be well dissolved in ethanol, benzene, chloroform, ether, and other...
Zinc gluconate, chemical formula is C12H22O14Zn, is the zinc salt of gluconic acid, at room temperature is white crystal or granular powder, odorless, taste slightly astringent, easily dissolved in boiling water, dissolved in water, insoluble in anhydrous ethanol, chloroform or ether. Clinically...
Most of them use a mathematical formula to create the chances of you getting a win. That means that every machine gives you exactly the same odds of hitting a winning combination or losing. There is nothing random about it! Most slot machines use a basic system called a “linear ...