Weak Acid Scarlet FG

Name	Acid Red 374
Synonyms	Scarlet FG Acid Red 374 C.I. Acid Red 374 Weak Acid Scarlet FG Acid red 374 (C.I. 24785) Best Acid Milling Scarlet F 2G 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-4-1-4-(1-hydroxy-4-sulfo-2-naphthalenyl)azophenylcyclohexylphenylazo-, trisodium salt trisodium 7-hydroxy-8-[[4-[1-[4-[(1-hydroxy-4-sulphonato-2-naphthyl)azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-1,3-disulphonate Trisodium 7-hydroxy-8-((4-(1-(4-((1-hydroxy-4-sulphonato-2-naphthyl)azo)phenyl)cyclohexyl)phenyl)azo)naphthalene-1,3-disulphonate trisodium (8Z)-7-oxo-8-{2-[4-(1-{4-[(2E)-2-(1-oxo-4-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]phenyl}cyclohexyl)phenyl]hydrazinylidene}-7,8-dihydronaphthalene-1,3-disulfonate
CAS	6507-78-4
EINECS	229-397-0
InChI	InChI=1/C38H32N4O11S3.3Na/c43-32-17-8-23-20-28(54(45,46)47)21-34(56(51,52)53)35(23)36(32)42-40-27-15-11-25(12-16-27)38(18-4-1-5-19-38)24-9-13-26(14-10-24)39-41-31-22-33(55(48,49)50)29-6-2-3-7-30(29)37(31)44;;;/h2-3,6-17,20-22,39-40H,1,4-5,18-19H2,(H,45,46,47)(H,48,49,50)(H,51,52,53);;;/q;3*+1/p-3/b41-31+,42-36+;;

Molecular Formula	C38H29N4Na3O11S3
Molar Mass	882.82137
Physical and Chemical Properties	Dark red powder. Dissolved in water, the aqueous solution was orange-red, and the addition of concentrated hydrochloric acid was still orange-red; The addition of concentrated sodium hydroxide solution was orange-brown. Slightly soluble in ethanol was golden yellow. In concentrated sulfuric acid was red purple, diluted orange.

Use	weak acid scarlet FG is suitable for dyeing wool, silk, nylon and its fabrics. used for dyeing nylon, wool and silk
production method	with 4,4 '-diaminodiphenylcyclohexane, G acid, NW acid as raw materials, the former was first double nitrided and then coupled with G acid and NW acid, respectively, to obtain the product. The final product was obtained by filtration, drying and pulverization..

Last Update：2024-04-09 21:04:16

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Spot supply

Product Name: C.I. Acid red 374 Visit Supplier Webpage Request for quotation
CAS: 6507-78-4
Tel: 609-228-6898
Email: sales@medchemexpress.com
　　　　 tech@medchemexpress.com
Mobile: 609-228-6898

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Weak Acid Scarlet FG

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