Direct Black 19

Catalog Number

ACM6428315

CAS

6428-31-5

Structure

Synonyms

C.I. Direct Black 19;C.I. 35255;2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis((4-((2,4-diaminophenyl)azo)phenyl)azo)-5-hydroxy-, disodium salt

Molecular Weight

839.77

Molecular Formula

C34H27N13Na2O7S2

Active Content

95%

Physical State

Solid

Typical Applications

Use as dye.

MSDS

Download MSDS

COA

Download COA

Spec Sheet

Download Spec Sheet

Custom Q&A

What is the molecular formula of Direct Black 19?

The molecular formula is C34H27N13Na2O7S2.

What is the molecular weight of Direct Black 19?

The molecular weight is 839.8 g/mol.

What are some synonyms for Direct Black 19?

Some synonyms include DIRECT BLACK 19, 6428-31-5, Direct Fast Black G, Viscose Black G, and Rayon Black G.

When was Direct Black 19 created in PubChem?

It was created on January 15, 2019.

What is the IUPAC name of Direct Black 19?

The IUPAC name is disodium;4-amino-3,6-bis[[4-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxynaphthalene-2,7-disulfonate.

What is the Canonical SMILES notation for Direct Black 19?

The Canonical SMILES is C1=CC(=CC=C1N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+].

What are some CAS numbers associated with Direct Black 19?

CAS numbers include 6428-31-5 and others like 135151-56-3 and 76450-44-7.

How many hydrogen bond donor counts does Direct Black 19 have?

It has 6 hydrogen bond donor counts.

What is the topological polar surface area of Direct Black 19?

The topological polar surface area is 380 Å².

What is the complexity value of Direct Black 19?

The complexity value is 1620.

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