We are manufacturer and always supplying Cosmetic Raw Materials 4-Isopropyl-3-Methylphenol powder 99%min purity for face cream with competitive price,high quality and regular basis.
We have produced it 13years and in 100000class air cleanliness GMP workshop.Exporting to abroad
(Japan,USA,Korea)
Specification of Cosmetic Raw Materials 4-Isopropyl-3-Methylphenol
| Item | Specification | |
| Appearance | White or almost 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. | |
| Melting point | 110~113 | |
|
Purity | (1) Clarity of solution dissolve 3.0g sample in 10ml of ethanol; the solution is clear. (2) Organic impurities: TLC (3) Heavy metals(Pb)≤20ppm (4) Arsenic≤2ppm | |
| Assay by HPLC | ≥99.0% | |
Professional 4-isopropyl-m-cresol raw materials for cosmetics face cream |
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