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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 5490502Generated: October 23, 2026

1,3,6-Naphthalenetrisulfonic acid, 7-(2-(2-((aminocarbonyl)amino)-4-((4-((5-((4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino)-2-sulfophenyl)amino)-6-chloro-1,3,5-triazin-2-yl)amino)phenyl)diazenyl)-, sodium salt (1:5)

Reactive green 8 · C.I. Reactive green 8 · C.I.Reactive Green 8:C.I.132483 · pentasodium,7-[[4-[[4-[5-[(4-amino-9,10-dioxo-3-sulfonatoanthracen-1-yl)amino]-2-sulfonatoanilino]-6-chloro-1,3,5-triazin-2-yl]amino]-2-(carbamoylamino)phenyl]diazenyl]naphthalene-1,3,6-trisulfonate · 1,3,6-Naphthalenetrisulfonicacid,7-[2-[2-[(aminocarbonyl)amino]-4-[[4-[[5-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-2-sulfophenyl]amino]-6-chloro-1,3,5-triazin-2-yl]amino]phenyl]d

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1,3,6-Naphthalenetrisulfonic acid, 7-(2-(2-((aminocarbonyl)amino)-4-((4-((5-((4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino)-2-sulfophenyl)amino)-6-chloro-1,3,5-triazin-2-yl)amino)phenyl)diazenyl)-, sodium salt (1:5) molecular structure

Identifiers & Physical Properties

CAS No.12225-77-3
Molecular formulaC40H23ClN11Na5O18S5
Average molar mass1,256.4 g/mol
SMILESNC(=O)Nc1cc(Nc2nc(Cl)nc(Nc3cc(Nc4cc(S(=O)(=O)[O-])c(N)c5c4C(=O)c4ccccc4C5=O)ccc3S(=O)(=O)[O-])n2)ccc1N=Nc1cc2c(S(=O)(=O)[O-])cc(S(=O)(=O)[O-])cc2cc1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
InChIKeyCRPWZYNYCKUHKB-XJUZYCMFSA-I
PubChem CID5490502
EC No.274-445-6
DTXSIDDTXSID901018659

Chemical & Physical Properties

Topological polar surface area543
Hydrogen bond donors6
Hydrogen bond acceptors27
Rotatable bonds9
Heavy atoms80
Formal charge0
Complexity2,690

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.Not ClassifiedAggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory.
Regulatory informationChemical: 1,3,6-Naphthalenetrisulfonic acid, 7-[2-[2-[(aminocarbonyl)amino]-4-[[4-[[5-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-2-sulfophenyl]amino]-6-chloro-1,3,5-triazin-2-yl]amino]phenyl]diazenyl]-, sodium salt (1:5)
Other safety informationEvaluation - Chemicals not considered for in depth evaluation - Not commercially active in Australia
Hazard Classes and CategoriesNot Classified

Preparation & Synthesis

Preparation

2,4,6-Trichloro-1,3,5-triazine and N-(3-aminophenyl)acetamide, condensation, 7-Aminonaphthalene-1,3,6-trisulfonic acid diazotization and coupling condensation product with 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid condensation.