6-Amino-4-hydroxy-5-((alpha,alpha,alpha-trifluoro-o-tolyl)azo)-2-naphthalenesulfonic acid, monosodium salt

Name	Acid Red 337
Synonyms	Acid Red 337 Telon Red FRLL EINECS 267-090-3 Aminyl Red E-FRL Fab Rinyl Red GL C.I. Acid Red 337 Nylosan Red E-2GN Tectilon Red F-2G Nylanthrene Red B-NG Rifa Acid Fast Red E-FRL 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-(2-(2- sodium 6-amino-4-hydroxy-5-[2-(trifluoromethyl)phenyl]azo-naphthalene-2-sulfonate Sodium 6-amino-4-hydroxy-5-((2-(trifluoromethyl)phenyl)azo)naphthalene-2-sulphonate sodium 6-amino-4-hydroxy-5-[[2-(trifluoromethyl)phenyl]azo]naphthalene-2-sulphonate 5-((2-Trifluoromethylphenyl)azo)-6-amino-4-hydroxy-2-naphthalenesulfonic acid, sodium salt 6-Amino-4-hydroxy-5-((2-(trifluoromethyl)phenyl)azo)-2-naphthalenesulfonic acid, sodium salt 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-((2-(trifluoromethyl)phenyl)azo)-, monosodium salt sodium (6E)-6-imino-4-oxo-5-{2-[2-(trifluoromethyl)phenyl]hydrazino}-4,6-dihydronaphthalene-2-sulfonate 6-Amino-4-hydroxy-5-((alpha,alpha,alpha-trifluoro-o-tolyl)azo)-2-naphthalenesulfonic acid, monosodium salt
CAS	67786-14-5 12270-02-9 39280-63-2 71598-24-8
EINECS	267-090-3
InChI	InChI=1/C17H12F3N3O4S.Na/c18-17(19,20)11-3-1-2-4-13(11)22-23-16-12(21)6-5-9-7-10(28(25,26)27)8-14(24)15(9)16;/h1-8,24H,21H2,(H,25,26,27);/q;+1/p-1

Molecular Formula	C17H13F3N3NaO4S
Molar Mass	435.35

LogP	-2 at 20℃
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	weak acid red F-2G is used for dyeing nylon fabric to get bright red. Excellent fastness.
production method	using ortho-trifluoromethylaniline and gamma acid as raw materials, the former is first diazotized and then coupled with the latter to obtain a product. After salting out, filtration, drying to obtain the finished product..

Last Update：2024-04-09 21:50:46