C.I. Direct Red 39 structure

C.I. Direct Red 39

TL;DR: C.I. Direct Red 39 (CAS 6358-29-8) is a chemical compound with molecular formula C32H26N4Na2O8S2 and molecular weight 704.10 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;8-[[4-[4-[(4-ethoxyphenyl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]-7-hydroxynaphthalene-1,3-disulfonate

Also Known As: Direct Fast Red 3B, Erie Scarlet 3B, C.I. Direct Red 39, Diphenyl Red 3BS, Chloramine Red 3B

CAS: 6358-29-8
Molecular Formula C32H26N4Na2O8S2
Molecular Weight 704.10 g/mol
LogP 1.87
Topological Polar Surface Area 210.0 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 12
Rotatable Bonds 7
Exact Mass 704.09875
Heavy Atoms 48
Complexity 1250.0
Melting Point 285.0 °C (decomposes)
Solubility less than 1 mg/mL at 64 °F (NTP, 1992)

Chemical Identifiers

CAS Number 6358-29-8
SMILES CCOC1=CC=C(C=C1)N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC4=C(C=CC5=CC(=CC(=C54)S(=O)(=O)[O-])S(=O)(=O)[O-])O)C)C.[Na+].[Na+]
InChIKey SLZCDQVDTBWJND-UHFFFAOYSA-L

Product Overview

C.I. Direct Red 39 (CAS 6358-29-8), with molecular formula C32H26N4Na2O8S2 and molecular weight 704.10 g/mol. IUPAC: disodium;8-[[4-[4-[(4-ethoxyphenyl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]-7-hydroxynaphthalene-1,3-disulfonate.

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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 Red 39

XLogP
1.87
TPSA (Topological Polar Surface Area)
210.0
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
12
Rotatable Bonds
7
Heavy Atoms
48
Complexity
1250.0
Exact Mass
704.09875
Monoisotopic Mass
704.09875
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 Red 39

The XLogP value of 1.87 suggests moderate lipophilicity, balancing water solubility and membrane permeability for C.I. Direct Red 39. The TPSA of 210.0 Ų indicates high polarity, suggesting C.I. Direct Red 39 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Direct Red 39 has 1 hydrogen bond donor(s) and 12 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 Red 39?

The CAS number of C.I. Direct Red 39 is 6358-29-8.

What is the molecular formula of C.I. Direct Red 39?

The molecular formula of C.I. Direct Red 39 is C32H26N4Na2O8S2.

What is the molecular weight of C.I. Direct Red 39?

The molecular weight of C.I. Direct Red 39 is 704.10 g/mol.

Where can I buy C.I. Direct Red 39?

You can request a quote for C.I. Direct Red 39 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 Red 39?

Yes, KEHONG BIO provides custom synthesis services for C.I. Direct Red 39 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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