dye|World dye variety

Name:C.I.Direct Brown 106,C.I.36200

Molecular Structure: Multi-azo class

C.I.Direct Brown 106,C.I.36200,CAS 6854-81-5,1301.19,53H40N14Na4O13S4

Molecular Formula:C₅₃H₄₀N₁₄Na₄O₁₃S₄

Molecular Weight: 1301.19

CAS Registry Number:6854-81-5

Manufacturing Methods : 3,4′-Disulfo-4-aininoazobenzene diazo, and m-Toluidine coupling, again diazo, and m-Toluidine coupling, and then will light product for gasification.

Properties and Applications:  dark orange to brown. Soluble in water and ethanol for orange brown. In the dark for the strong sulfuric acid (+ Light red purple), diluted for brown. The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution have orange brown precipitation.

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