C.I. Direct Black 80 structure

C.I. Direct Black 80

TL;DR: C.I. Direct Black 80 (CAS 8003-69-8) is a chemical compound with molecular formula C36H23N8Na3O11S3 and molecular weight 908.03 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

trisodium;6-amino-3-[[7-[[4-[(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]phenyl]diazenyl]-8-hydroxy-6-sulfonatonaphthalen-2-yl]diazenyl]-4-hydroxynaphthalene-2-sulfonate

Also Known As: C.I. Direct Black 80, PHENAZO BLACK OB, DIRECT BLACK 80, DIAZOPHENYL BLACK BW, C.I. 31600

CAS: 8003-69-8
Molecular Formula C36H23N8Na3O11S3
Molecular Weight 908.03 g/mol
LogP -1.31
Topological Polar Surface Area 363.0 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 19
Rotatable Bonds 6
Exact Mass 908.0342
Heavy Atoms 61
Complexity 1830.0
Melting Point greater than 300.0 °C
Solubility 1 to 10 mg/mL at 64 °F (NTP, 1992)

Chemical Identifiers

CAS Number 8003-69-8
SMILES C1=CC(=CC=C1N=NC2=C3C=C(C=CC3=C(C=C2)N)S(=O)(=O)[O-])N=NC4=C(C=C5C=CC(=CC5=C4O)N=NC6=C(C=C7C=CC(=CC7=C6O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChIKey ZHFRUBUQJRJWPO-UHFFFAOYSA-K

Product Overview

C.I. Direct Black 80 (CAS 8003-69-8), with molecular formula C36H23N8Na3O11S3 and molecular weight 908.03 g/mol. IUPAC: trisodium;6-amino-3-[[7-[[4-[(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]phenyl]diazenyl]-8-hydroxy-6-sulfonatonaphthalen-2-yl]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 80

XLogP
-1.31
TPSA (Topological Polar Surface Area)
363.0
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
19
Rotatable Bonds
6
Heavy Atoms
61
Complexity
1830.0
Exact Mass
908.0342
Monoisotopic Mass
908.0342
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 80

The XLogP value of -1.31 indicates that C.I. Direct Black 80 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 363.0 Ų indicates high polarity, suggesting C.I. Direct Black 80 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Direct Black 80 has 4 hydrogen bond donor(s) and 19 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 80?

The CAS number of C.I. Direct Black 80 is 8003-69-8.

What is the molecular formula of C.I. Direct Black 80?

The molecular formula of C.I. Direct Black 80 is C36H23N8Na3O11S3.

What is the molecular weight of C.I. Direct Black 80?

The molecular weight of C.I. Direct Black 80 is 908.03 g/mol.

Where can I buy C.I. Direct Black 80?

You can request a quote for C.I. Direct Black 80 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 80?

Yes, KEHONG BIO provides custom synthesis services for C.I. Direct Black 80 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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