Name:C.I.Solvent Brown 41,C.I.21000:1
Molecular Structure: Double azo class
Molecular Weight: 346.39-38-6
CAS Registry Number:1052-38-6
Manufacturing Methods :2 Moore’s Nitrous acid treatment 3 Moore’s Benzene-1,3-diamine dihydrochloride (this product may be based on the double azo dyes as the main component of the mixture, and commodity dye is usually composed of dihydrochloride composition), and made free base.
Properties and Applications:yellow brown. Soluble in ethanol, acetone and benzene. In concentrated sulfuric acid for brown, dilution after red brown; In concentrated nitric acid for orange solution, to yellow. Dye aqueous solution to join hydrochloric acid don’t change color; Add 10% sodium hydroxide solution have orange precipitation.
List of Suppliers:
Oil Brown 41 Shandong Qing Shun Chemical Co., Ltd.
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