dye|World dye variety

Name:C.I.Acid Blue 161,C.I.15706

Molecular Structure: Single azo class

C.I.Acid Blue 161,C.I.15706,CAS 12392-64-2,416.38,C20H13N2NaO5S,Complex Blue BN,Blue 2R

Molecular Formula:C₂₀H₁₃N₂NaO₅S

Molecular Weight: 416.38

CAS Registry Number:12392-64-2

Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then in water solution its product (C.I. Mordant Black 17, C.I. 15705) and formic acid chromium common heating, in 130 ℃ keep 3 hours, to form the chrome complex.

Properties and Applications: dark blue. Soluble in water (a red light blue), soluble in ethanol. In strong sulfuric acid is blue, it will be diluted precipitation is blue. Its water solution meet strong hydrochloric acid is blue precipitation; Add sodium hydroxide is red light purple. Used for wool and silk dyeing and printing, also can be used for leather dyeing.

List of Suppliers:
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Blue MTR (United Chemie)

Dycosacid Complex Blue BN(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Stenochrome Blue L-B ( S A des Ets. Steiner )

Triamet Blue 2R(Chemische Fabriek Triade BV)