Direct Black 38 (free acid)

Base Information

• Chemical Name: Direct Black 38 (free acid)
• CAS No.: 1937-37-7
• Molecular Formula: C34H25N9Na2O7S2
• Molecular Weight: 781.78
• Hs Code.: 29299090
• European Community (EC) Number: 217-710-3
• DSSTox Substance ID: DTXSID9047207,DTXSID40859690
• ChEMBL ID: CHEMBL1093278
• Mol file: 1937-37-7.mol

Synonyms:Direct Black 38 (free acid);22244-14-0;4-Amino-3-((E)-(4'-((E)-(2,4-diaminophenyl)diazenyl)-[1,1'-biphenyl]-4-yl)diazenyl)-5-hydroxy-6-((E)-phenyldiazenyl)naphthalene-2,7-disulfonic acid;1937-37-7;Direct Black 38 free acid;C.I. Direct Black 38 parent;CHEMBL1093278;DTXSID9047207;HY-D0256A;DTXSID40859690;AKOS040741647;LS-194421;CS-0102892;4-Amino-3-({4'-[(2,4-diaminophenyl)diazenyl][1,1'-biphenyl]-4-yl}diazenyl)-5-hydroxy-6-(phenyldiazenyl)naphthalene-2,7-disulfonic acid

Chemical Property of Direct Black 38 (free acid)

Chemical Property:

• Appearance/Colour: black crystalline powder
• Melting Point: 109-110 °C
• PSA: 303.61000
• Density: 1.61g/cm3
• LogP: 11.91860
• Storage Temp.: Amber Vial, Refrigerator, Under inert atmosphere
• Solubility.: DMSO (Slightly), Methanol (Slightly, Heated), Water (Slightly)
• XLogP3: 5.8
• Hydrogen Bond Donor Count: 6
• Hydrogen Bond Acceptor Count: 16
• Rotatable Bond Count: 9
• Exact Mass: 737.14748658
• Heavy Atom Count: 52
• Complexity: 1480

Purity/Quality:

99% ^*data from raw suppliers

ChlorozolBlackE(TechnicalGrade) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 45-63-36
• Safety Statements: 53-45-36/37-26

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Dyes -> Benzidine Dyes
• Canonical SMILES: C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O
• Uses: Chlorozol Black E is a chitin-specific stain and used to detect fungal filaments. Dyes and metabolites, Environmental Testing.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.