1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-

Base Information

• Chemical Name: 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-
• CAS No.: 3618-58-4
• Molecular Formula: C20H12N3NaO7S
• Molecular Weight: 461.38
• Hs Code.: 3206200000
• European Community (EC) Number: 222-807-9,240-379-1
• UNII: 92V9SVJ8HA
• DSSTox Substance ID: DTXSID5066031
• ChEMBL ID: CHEMBL2008674
• Mol file: 3618-58-4.mol

Synonyms:diamond black;eriochrome black A;eriochrome black A, monopotassium salt;eriochrome black A, monosodium salt

Chemical Property of 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-

Chemical Property:

• Refractive Index: 1.747
• PSA: 176.58000
• Density: 1.64g/cm³
• LogP: 6.23590
• XLogP3: 4.1
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 9
• Rotatable Bond Count: 3
• Exact Mass: 439.04742094
• Heavy Atom Count: 31
• Complexity: 796

Purity/Quality:

98%,99%, ^*data from raw suppliers

Eriochrome Black A ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C=CC(=C2N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)O)[N+](=O)[O-])O