Direct Liab 79

Khoom Lub Npe: Direct Red 79 170%
Molecular Structure: Ob chav azo class

Molecular Formula: C ₃₇H ₂₈N ₆Na ₄O ₁₇S ₄
Molecular Luj: 1048.87
CAS Registry Number: 1937-34-4
Manufacturing Methods: 4-Amino-5-(tosyloxy)naphthalene-2 ,7-disulfonic acid diazo, thiab 2-Amino-4-methylanisole coupling, thiab ces hydrolysis p-toluene sulfonic acid ester puag, thiab lub teeb gasification.
Khoom thiab Daim Ntawv Thov: muaj yeeb yuj lub teeb liab xiav.Soluble nyob rau hauv dej rau liab mus rau xiav lub teeb liab, solubility 15 g / L (60 ℃) / 24 g / L (97 ℃), me ntsis soluble nyob rau hauv ethanol thiab soluble fiber ntau, insoluble nyob rau hauv lwm cov organic solvents.Lub zog sulfuric acid nyob rau hauv xiav, diluted rau ntshav;Nyob rau hauv nitric acid tov rau xiav-dub, ces mus rau xiav, dua mus rau hauv ntshav.Cov tshuaj zas zas nrog muaj zog hydrochloric acid muaj xiav lub teeb ntsuab nag lossis daus;Ntxiv cov tshuaj sodium hydroxide tuab rau cov txiv kab ntxwv daj.Dej-soluble yog zoo, nyuaj rau rhiab heev.Rau cov yeeb yuj xim liab lub teeb xiav.Nyob rau hauv dye da dej ntawm tooj liab, hlau ions nyob rau hauv ib tug me ntsis hloov xim.Kev faib tawm SDC rau chav kawm B, nruab nrab dawb yog qhov zoo heev, alkaline dawb.
Cov khoom txee : Intralite Liab 6 BLL; Sirius Supra Red 4BL; Direct Red 6BL
Siv: Siv rau dyeing paj rwb thiab viscose, kuj tuaj yeem siv rau xim ntawv.
Ntim: 25KG Carton

Khoom Lub Npe: Direct Red 243 100%
Molecular Structure: Ob chav azo class

Molecular Formula: C ₃₈H ₂₈N ₁₀Na ₄O ₁₇S ₄
Molecular Luj: 1116.91
CAS Registry Number: 86543-85-3
Manufacturing Methods: 3-Amino-4-hydroxybenzenesulfonic aciddiazo, in thiab 7-Amino-4-hydroxynaphthalene-2-sulfonic acidcoupling, nws cov khoom thiab 2,4,6-Trichloro-1,3,5-triazine condensation, 2-Amino-5-methoxybenzenesulfonic acid diazo, thiab 7-Amino-4 -hydroxynaphthalene-2-sulfonic acid coupling, dua nrog cov khoom condensation condensation, ces nrog 2-Aminoethanol condensation
Properties thiab daim ntaub ntawv: xiav-duab tshav liab.Siv rau dyeing thiab luam ntawv ntawm cellulose fiber.
Counter khoom: Direct Red BWS; Benzanil Liab BWS; Everdirect Supra Red BWS
Siv: rau dyeing thiab luam ntawv ntawm cellulose fiber.
Ntim: 25KG Carton