C.I. Direct Black 32 structure

C.I. Direct Black 32

TL;DR: C.I. Direct Black 32 (CAS 6428-38-2) is a chemical compound with molecular formula C48H40N13Na3O13S3 and molecular weight 1171.17 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

trisodium;6-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-3-[[4-[4-[[7-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate

Also Known As: C.I. Direct Black 32, Benzonerol ABS, Cotonerol AB, Cotoneral ABS, Direct Black 32

CAS: 6428-38-2
Molecular Formula C48H40N13Na3O13S3
Molecular Weight 1171.17 g/mol
LogP 0.5065
Topological Polar Surface Area 465.0 Ų
Hydrogen Bond Donors 9
Hydrogen Bond Acceptors 26
Rotatable Bonds 16
Exact Mass 1171.1724
Heavy Atoms 80
Complexity 2330.0

Chemical Identifiers

CAS Number 6428-38-2
SMILES C1=CC(=CC=C1NC2=C(C=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N=NC5=C(C=C(C=C5)NCCO)N)S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC6=C(C=C7C=CC(=CC7=C6O)N=NC8=C(C=C(C=C8)NCCO)N)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChIKey ZCLZGAIIRSGUNH-UHFFFAOYSA-K

Product Overview

C.I. Direct Black 32 (CAS 6428-38-2), with molecular formula C48H40N13Na3O13S3 and molecular weight 1171.17 g/mol. IUPAC: trisodium;6-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-3-[[4-[4-[[7-[[2-amino-4-(2-hydroxyethylamino)phenyl]diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of C.I. Direct Black 32

XLogP
0.5065
TPSA (Topological Polar Surface Area)
465.0
Hydrogen Bond Donors
9
Hydrogen Bond Acceptors
26
Rotatable Bonds
16
Heavy Atoms
80
Complexity
2330.0
Exact Mass
1171.1724
Monoisotopic Mass
1171.1724
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of C.I. Direct Black 32

The XLogP value of 0.5065 suggests moderate lipophilicity, balancing water solubility and membrane permeability for C.I. Direct Black 32. The TPSA of 465.0 Ų indicates high polarity, suggesting C.I. Direct Black 32 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Direct Black 32 has 9 hydrogen bond donor(s) and 26 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of C.I. Direct Black 32?

The CAS number of C.I. Direct Black 32 is 6428-38-2.

What is the molecular formula of C.I. Direct Black 32?

The molecular formula of C.I. Direct Black 32 is C48H40N13Na3O13S3.

What is the molecular weight of C.I. Direct Black 32?

The molecular weight of C.I. Direct Black 32 is 1171.17 g/mol.

Where can I buy C.I. Direct Black 32?

You can request a quote for C.I. Direct Black 32 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for C.I. Direct Black 32?

Yes, KEHONG BIO provides custom synthesis services for C.I. Direct Black 32 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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