ChemicalBook >> CAS DataBase List >>disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate

disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate

disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate structure

CAS No.: 6637-87-2

Chemical Name:: disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate

Synonyms: SKCQDFLBBMGDPT-YNVLCFGRSA-L;2,7-naphthalenedisulfonic acid, 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophen;disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-2,4-dihydroxy-5-(2-hydroxy-3,5-dinitrophenyl)azo-3-(4-nitrophenyl)azophenylazo-5-hydroxy-, disodium salt;4-[[2,4-Dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt;4-[[2,4-Dihydroxy-3-[(4-nitrophenyl)azo]-5-[(3,5-dinitro-2-hydroxyphenyl)azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid,disodium salt;4-[[2,4-Dihydroxy-3-[(4-nitrophenyl)azo]-5-[(3,5-dinitro-2-hydroxyphenyl) azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt

CBNumber:: CB6884480

Molecular Formula:: C28H18N9NaO16S2

Molecular Weight:: 823.61

MDL Number:

MOL File:: 6637-87-2.mol

Last updated:2025-12-31 14:38:37

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disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate Properties

EPA Substance Registry System	2,7-Naphthalenedisulfonic acid, 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt (6637-87-2)

SAFETY

Risk and Safety Statements

Hazard statements	H412
Precautionary statements	P273-P501
TSCA	TSCA listed

disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate Chemical Properties,Uses,Production

Uses

C.I. Acid brown 75 is an acidic brown dye that can be adsorbed and removed by bentone clay.

References

[1] Baskaralingam P, Pulikesi M, Elango D, et al. Adsorption of acid dye onto organobentonite[J]. Journal of hazardous materials, 2006, 128(2-3): 138-144.

disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

4-[[2,4-Dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate 2,7-Naphthalenedisulfonic acid, 4-2,4-dihydroxy-5-(2-hydroxy-3,5-dinitrophenyl)azo-3-(4-nitrophenyl)azophenylazo-5-hydroxy-, disodium salt 2,7-naphthalenedisulfonic acid, 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophen 4-[[2,4-Dihydroxy-3-[(4-nitrophenyl)azo]-5-[(3,5-dinitro-2-hydroxyphenyl) azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt 4-[[2,4-Dihydroxy-3-[(4-nitrophenyl)azo]-5-[(3,5-dinitro-2-hydroxyphenyl)azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid,disodium salt SKCQDFLBBMGDPT-YNVLCFGRSA-L 6637-87-2 C28H17N9O16S22Na Organics

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