Direct Dub 22

Khoom npe: Direct Black 22 100%
Molecular Structure: Multi-azo class

Molecular Formula: C ₄₄H ₃₂N ₁₃Na ₃O ₁₁S ₃
Molecular Luj: 1083.97
CAS Registry Number: 6473-13-8
Manufacturing Methods: 5-Amino-2-(4-aminophenylamino) benzenesulfonic acid ob npaug nitriding, nyob rau hauv alkaline tej yam kev mob thiab 6-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) ua ke, ces muab ob npaug rau nitriding, thiab Benzene-1,3-diamine (2 Moore) ua ke.
Khoom thiab Daim Ntawv Thov: ntsuab thiab dub.Xiav grey hmoov.Soluble hauv dej rau violet dub.Lub zog sulfuric acid rau violet dub, dilute lub teeb dub tom qab nag lossis daus;Nyob rau hauv nitric acid tov rau lub teeb liab xim av nyob rau hauv, nag lossis daus.Cov tshuaj zas zas kom koom nrog muaj zog hydrochloric acid muaj xim av lub teeb dub nag lossis daus;Ntxiv cov tshuaj sodium hydroxide tuab rau tsaus xiav lub teeb liab.Feem ntau yog siv rau paj rwb, viscose, wool / stick, nylon / rayon blended ntaub dyeing thiab luam ntawv, kuj siv nyob rau hauv tawv thiab ntawv dyeing.
Cov khoom txee: Benzonerol VSF; Benzanil Dub 2GC 600%; Dub VSF 600
Siv: rau paj rwb, viscose, wool / stick, nylon / rayon blended ntaub dyeing thiab luam ntawv, kuj siv rau hauv tawv thiab ntawv dyeing.
Ntim: 25KG Carton