Reactive Red K-7B

Name	cibacron brilliant red K-7B
Synonyms	CI 18105 Reactive Red K-7B C.I. Reactive Red 4 Reactive red 4 (C.I. 18105) CIBACRON BRILLIANT RED 3B-A cibacron brilliant red K-7B Chemictive Brilliant Red 7BH. tetrasodium 5-(benzoylamino)-3-[[5-[[4-chloro-6-[(4-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulphonatophenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[5-[[ 4-chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2 -yl]amino]-2-sulfophenyl]azo]-4-hydroxy-, tetrasodium salt
CAS	17681-50-4
EINECS	241-663-8

Molecular Formula	C32H19ClN8Na4O14S4
Molar Mass	995.21
Appearance	Powder
Color	Red to purple
Storage Condition	Room Temprature
Physical and Chemical Properties	Dark red powder. The solubility in water (25 °c) was 50g/L. When staining, the iron ion color light turned slightly shallow, and the copper ion color light turned blue and light.

EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
use	reactive red K-7B is mainly used for dyeing cellulose fiber fabrics such as cotton and viscose fibers, and is pure red. Suitable for cold rolling and dry dyeing. It is not suitable for neutral or alkaline whitening.
Production method	Using 4-nitro-2-aminobenzenesulfonic acid, N-benzoyl H acid, p-aminobenzenesulfonic acid and cyanuric chloride as raw materials, the 4-nitro-2-aminobenzenesulfonic acid is first diazotized, then coupled with N-benzoyl H acid, and then reduced the nitro to amino acid, and the p-aminobenzenesulfonic acid is combined with chloruric acid for the first, finally, the second condensation with the above reduction product is carried out to obtain the product. The finished product is salted out, filtered and dried..

Last Update：2024-04-10 22:29:15

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Product Name: cibacron brilliant red K-7B Visit Supplier Webpage Request for quotation
CAS: 17681-50-4
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Spot supply

Product Name: cibacron brilliant red K-7B Visit Supplier Webpage Request for quotation
CAS: 17681-50-4
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
QQ: 2881950922

Wechat: 18621343501
WhatsApp: +86-18621343501

Product Name: cibacron brilliant red K-7B Visit Supplier Webpage Request for quotation
CAS: 17681-50-4
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409

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