C.I. Direct Blue 2

Base Information

• Chemical Name: C.I. Direct Blue 2
• CAS No.: 2429-73-4
• Deprecated CAS: 52350-22-8
• Molecular Formula: C32H24N6O11S3.3Na
• Molecular Weight: 833.77
• European Community (EC) Number: 219-384-8
• UNII: EE5HVP9RA8
• DSSTox Substance ID: DTXSID6025191
• Wikidata: Q27277129
• Mol file: 2429-73-4.mol

Synonyms:C.I. Direct Blue 2;2429-73-4;DIRECT BLUE 2;Chlorazol Black BH;Diazo Black BHN;Bencidal Navy Blue BH;Diazo Black BH;Chrome Leather Black CR;Diazophenyl Black BH;Navy Blue EHBL;Brasilazol Black BG;Pontamine Deep Blue BH;Melantherine BH;CHLORAZOLBLACKBH;Indoxine KL;Diazine Black H;Melantherine BHX;Pheno Navy Blue;Azocard Blue BH;Calcomine Diazo Black BHD;Diazol Black BH;Direct Black BH;Fixanol Blue BH;Diazo Black CR;Azomine Black BH;Diamine Black BH;Phenazo Black BH;Altazine Black BH;Benzanil Black BH;Neklamin Black BH;Paramine Black BH;Blue BH;Navy Blue EMBL;Diamine Black BHM;Diazine Black BHC;Diazine Black HDW;Diazine Black HNJ;Diazo Black BHSW;Direct Diazo Black;Japanol Black BHK;Diacotton Black BH;Airedale Black BHD;Diazo Black BHSWK;EE5HVP9RA8;Brasilazol Black BH;C.I. Direct Blue 2, trisodium salt;Chloramine Black BH;Dianil Dark Blue H;Diaphtamine Black BH;Diazo Navy Blue BH;Fenamin Navy Blue H;Benzo Black Blue BH;Diazo Black BHN-CF;Diazo Direct Black N;Diazo Fast Black BH;Direct Dark Blue BH;Direct Diazo Black C;Direct Diazo Black N;Direct Diazo Black S;Direct Navy Blue BH;Tertrodirect Black BH;Cutamin Dark Blue CB;Direct Blue Black BH;Zambesi Dark Blue BH;Benzo Black Blue FBH;CI 22590;Diazo Fast Black MBH;Tertrodirect Black BHS;Aizen Direct Black BH;Azine Diazo Black BHK;Vondacel Dark Blue BH;Kayaku Direct Black BH;Mitsui Direct Black BH;Eniazol Blue Black BHN;Atul Developed Black BT;Belamine Diazo Black BH;CCRIS 6236;Chrome Leather Black BH;Chrome Leather Black DS;Symulon Direct Black BH;Diphenyl Blue Black GHS;Diphenyl Blue Black MBH;C.I. 22590;C.I. Direct Blue 2 (VAN);HSDB 4219;Union Fast Navy Blue DS;Calcoloid Diazo Black BHL;Diaminogene Velour Black B;Chlorazol Leather Black BH;Calcomine Diazo Black BTCW;CI Direct Blue 2, trisodium salt;NCI-C61110;Pontamine Diazo Black BHSW;Pontamine Diazo Black BHid and BH;Amanil Developed Black BHSW;EINECS 219-384-8;Chrome Leather Dark Blue BHM;NSC 75779;UNII-EE5HVP9RA8;2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt;Trisodium 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-hydroxy-, trisodium salt;2,7-Naphthalenedisulfonic acid, 5-amino-3-(2-(4'-(2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)(1,1'-biphenyl)-4-yl)diazenyl)-4-hydroxy-, sodium salt (1:3);sodium 5-amino-3-((E)-(4'-((E)-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl)-[1,1'-biphenyl]-4-yl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate;TriNa 5-amino-3-4'-(7-amino-1-OH-3-sulphonato-2-naphthyl)azo1,1'-biphenyl-4-ylazo-4-OHnaphthalene-2,7-disulphonate;NSC-75779;Chloroazol Black BH;CI DIRECT BLUE 2;DTXSID6025191;MFCD00059132;C.I. DIRECT BLUE 2 [HSDB];AKOS004901487;AKOS024421048;LS-1043;W-109784;Q27277129;sodium 5-amino-3-((E)-(4'-((E)-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl)biphenyl-4-yl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate;TriNa 5-amino-3-[[4'-[(7-amino-1-OH-3-sulphonato-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-4-OHnaphthalene-2,7-disulphonate;TRISODIUM 5-AMINO-3-((4'-((7-AMINO-1-HYDROXY-3-SULPHONATO-2- NAPHTHYL)AZO)(1,1'-BIPHENYL)-4-YL)AZO)-4-HYDROXYNAPHTHALENE- 2,7-DISULPHONATE;trisodium;5-amino-3-[[4-[4-[(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate

Chemical Property of C.I. Direct Blue 2

Chemical Property:

• Appearance/Colour: Dark blue-black powder
• Refractive Index: 1.791
• PSA: 338.68000
• Density: 1.764g/cm³
• LogP: 10.18350
• Storage Temp.: Amber Vial, Refrigerator
• Solubility.: DMSO (Slightly), Methanol (Slightly)
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 17
• Rotatable Bond Count: 5
• Exact Mass: 830.01235187
• Heavy Atom Count: 55
• Complexity: 1590

Purity/Quality:

99% ^*data from raw suppliers

DirectBlue2(TechnicalGrade) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Dyes -> Benzidine Dyes
• Canonical SMILES: C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N)S(=O)(=O)[O-])N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)[O-])S(=O)(=O)[O-])N)O.[Na+].[Na+].[Na+]
• Uses: Direct Blue 2 is an organic azo dye and ground water pollutant, removed via enzymic decolorization by laccase.