Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate structure

Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate

TL;DR: Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate (CAS 3618-58-4) is a chemical compound with molecular formula C20H12N3NaO6S and molecular weight 445.03 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonate

Also Known As: Eriochrome Black A, Potting Black B, Chrome Black S, Eniacromo Black A, Hispacrom Black A

CAS: 3618-58-4
Molecular Formula C20H12N3NaO6S
Molecular Weight 445.03 g/mol
LogP 1.93
Topological Polar Surface Area 156.0 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 8
Rotatable Bonds 2
Exact Mass 445.03445
Heavy Atoms 31
Complexity 750.0

Chemical Identifiers

CAS Number 3618-58-4
SMILES C1=CC=C2C(=C1)C=CC(=C2N=NC3=C4C=CC(=CC4=C(C=C3)S(=O)(=O)[O-])[N+](=O)[O-])O.[Na+]
InChIKey RSKWIMPSCVTCQT-UHFFFAOYSA-M

Product Overview

Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate (CAS 3618-58-4), with molecular formula C20H12N3NaO6S and molecular weight 445.03 g/mol. IUPAC: sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-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.
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Chemical Property Profile of Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate

XLogP
1.93
TPSA (Topological Polar Surface Area)
156.0
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
8
Rotatable Bonds
2
Heavy Atoms
31
Complexity
750.0
Exact Mass
445.03445
Monoisotopic Mass
445.03445
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 Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate

The XLogP value of 1.93 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate. The TPSA of 156.0 Ų indicates high polarity, suggesting Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate has 1 hydrogen bond donor(s) and 8 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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 Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate?

The CAS number of Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate is 3618-58-4.

What is the molecular formula of Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate?

The molecular formula of Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate is C20H12N3NaO6S.

What is the molecular weight of Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate?

The molecular weight of Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate is 445.03 g/mol.

Where can I buy Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate?

You can request a quote for Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate?

Yes, KEHONG BIO provides custom synthesis services for Sodium 3-hydroxy-4-((2-hydroxynaphthyl)azo)-7-nitronaphthalene-1-sulphonate and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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