Min.Order / FOB Price:Get Latest Price
10 Gram |
FOB Price:USD 10.0000 -1001.0000 |
3228-02-2 4-isopropyl-3-3228-02-2 3228-02-2
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specification of 4-Isopropyl-3-methylphenol
Item |
Specification |
Results |
Appearance |
White or almost white crystals,having almost no odor |
white crystals,having almost no odor |
Identification |
1.Triturate sample with an equal amount of camphor; the mixture liquefles. 2.Dissolve a small sample in 1ml of glacial acetic acid, add 6 drops of sulfuric acid and 1 drop of nitric acid; a red-brown color develops. 3.To 1g sample add 5ml of a solution of sodium hydroxide (1→10) and heat on a water bath; a colorless or light yellow liquid is obtained. To this liquid add 2 to 3 drops of chloroform , while warm, and shake; a yellow-green color develops. 4.The sample solution exhibits a maximum absorbance at the wavelength at 279+2 nm. |
Conforms |
Melting point |
110~113°C |
110.7~111.2°C |
Purity |
1.Clarity of solution dissolve 3.0g sample in 10ml of ethanol; the solution is clear. 2.Orangic impurities:TLC 3.Heavy metals(Pb)≤20ppm 4.Arsenic≤2ppm |
1.Conforms
2.Conforms 3.<20ppm 4<2ppm |
Assay by HPLC |
≥99.5% |
99.9% |
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