C.I. Direct Black 20

Modify Date: 2024-09-04 01:49:47

C.I. Direct Black 20 structure
Common Name C.I. Direct Black 20
CAS Number 7237-47-0 Molecular Weight 898.8
Density N/A Boiling Point N/A
Molecular Formula C38H32N10Na2O10S2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name C.I. Direct Black 20

 Chemical & Physical Properties

Molecular Formula C38H32N10Na2O10S2
Molecular Weight 898.8

 Preparation

COc1cc(-c2ccc(N=Nc3c(S(=O)(=O)[O-])cc4cc(S(=O)(=O)[O-])cc(N)c4c3O)c(OC)c2)ccc1N=Nc1cc(N=Nc2ccc(NC(C)=O)cc2)c(N)cc1N.[Na+].[Na+]