Min. Order Reference FOB Price
20 kg US$80.00-100.00 / kg
Product Description
COA: Item Standard Appearance White or similar sheet crystal or powder Solubility in alcohol clear and no depoist Identification A:the chloroform acquires a blood-red color and sulfuric aicd shows a green fluorescence. B:a pink color is produced,and it rapidly changes to red,then to blue, ...