Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-amino-3-methoxyphenyl)azo]benzenesulfonic acid monosodium salt
- CAS NO.:1325-60-6
- Molecular Weight: 0
- EINECS: 215-399-9
What is Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-amino-3-methoxyphenyl)azo]benzenesulfonic acid monosodium salt?
Preparation
in reflux conditions, sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with 3-Aminobenzenesulfonic acid sodium diazotization and O-Anisidine coupled with heating products.
Properties and Applications
dark red light orange. Soluble in water and ethanol, insoluble in acetone. The strong sulfuric acid as dark blue in green; In the dark of nitric acid blue purple; In strong hydrochloric acid for dark red jujube; In sodium hypochlorite solution for dark red.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3-4 | 5 | 6-7 | 4 | 3 |
Safety information for Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-amino-3-methoxyphenyl)azo]benzenesulfonic acid monosodium salt
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1,-Naphthalenedisulfonic acid, 4,4'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt
C.I. Direct Orange 71
DIRECT ORANGE 6
C.I. Direct Orange 63
Direct orange 60
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[2-[2-methoxy-5-methyl-4-[2-(4-sulfophenyl)diazenyl]phenyl]-2-oxidodiazenyl]-, sodium salt (1:4)
Direct Orange 5
DIRECT ORANGE 61
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