Direct Black 103

Modify Date: 2025-09-19 23:17:07

Direct Black 103 Structure
Direct Black 103 structure
Common Name Direct Black 103
CAS Number 25180-17-0 Molecular Weight 941.94100
Density 1.75g/cm3 Boiling Point N/A
Molecular Formula C40H27N7O13S4 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 3-[[4-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthyl)azo]-6-sulfo-1-n aphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulfonic acid

 Chemical & Physical Properties

Density 1.75g/cm3
Molecular Formula C40H27N7O13S4
Molecular Weight 941.94100
Exact Mass 941.05500
PSA 371.41000
LogP 14.72460
Index of Refraction 1.799
InChIKey TYPJGODIKFGCRT-UHFFFAOYSA-N
SMILES Nc1ccc2cc(S(=O)(=O)O)c(N=Nc3ccc(N=Nc4ccc(N=Nc5cc(S(=O)(=O)O)c6cccc(S(=O)(=O)O)c6c5)c5ccccc45)c4ccc(S(=O)(=O)O)cc34)c(O)c2c1
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