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Will on nitrosation 4-Hydroxynaphthalene-1-sulfonic acid, and then turn it into iron sodium salt.Properties and Applications
yellow light green. Soluble in water for yellow-green solution. The strong sulfuric acid for yellow brown, after dilution is yellow, with Potassium ferricyanide blue precipitation. In water solution to join sodium hydroxide don’t change color.Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6 | 3 | 4 | 3-4 | 3-4 | 4 |
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Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
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[1,1'-Biphenyl]sulfonic acid, 4,4''-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis-, disodium salt
2,2'-[(9,10-Dihydro-5-hydroxy-9,10-dioxoanthracene-1,4-diyl)diimino]bis[5-methylbenzenesulfonic acid sodium] salt
disodium hydrogen bis[4-amino-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonato(3-)]chromate(3-)
Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt
Acid Green 40
Acid Green 28
8-[[4-(Acetylamino)phenyl]amino]-5-cyclohexylamino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid sodium salt
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt
ACID GREEN 3
LIGHT GREEN SF YELLOWISH