C.I. Direct Red 81 disodium salt structure

C.I. Direct Red 81 disodium salt

TL;DR: C.I. Direct Red 81 disodium salt (CAS 2610-11-9) is a chemical compound with molecular formula C29H19N5Na2O8S2 and molecular weight 675.05 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonate

Also Known As: DIRECT RED 81, Solaminrot 4B, Chlorantine Fast Red 5B, Airedale Red KD, Sirius Red 4B

CAS: 2610-11-9
Molecular Formula C29H19N5Na2O8S2
Molecular Weight 675.05 g/mol
LogP 0.44
Topological Polar Surface Area 230.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 12
Rotatable Bonds 6
Exact Mass 675.04706
Heavy Atoms 46
Complexity 1220.0

Chemical Identifiers

CAS Number 2610-11-9
SMILES C1=CC=C(C=C1)C(=O)NC2=CC3=CC(=C(C(=C3C=C2)O)N=NC4=CC=C(C=C4)N=NC5=CC=C(C=C5)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
InChIKey UFUQRRYHIHJMPB-UHFFFAOYSA-L

Patent-Derived Application Labels

Derived from 2 IPC patent classification(s) across the SureChEMBL global patent database.

Analytical Reagents (4 patents) Specialty Chemicals (1 patents)

Product Overview

C.I. Direct Red 81 disodium salt (CAS 2610-11-9), with molecular formula C29H19N5Na2O8S2 and molecular weight 675.05 g/mol. IUPAC: disodium;7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-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 Red 81 disodium salt

XLogP
0.44
TPSA (Topological Polar Surface Area)
230.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
12
Rotatable Bonds
6
Heavy Atoms
46
Complexity
1220.0
Exact Mass
675.04706
Monoisotopic Mass
675.04706
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 81 disodium salt

The XLogP value of 0.44 suggests moderate lipophilicity, balancing water solubility and membrane permeability for C.I. Direct Red 81 disodium salt. The TPSA of 230.0 Ų indicates high polarity, suggesting C.I. Direct Red 81 disodium salt may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Direct Red 81 disodium salt has 2 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 81 disodium salt?

The CAS number of C.I. Direct Red 81 disodium salt is 2610-11-9.

What is the molecular formula of C.I. Direct Red 81 disodium salt?

The molecular formula of C.I. Direct Red 81 disodium salt is C29H19N5Na2O8S2.

What is the molecular weight of C.I. Direct Red 81 disodium salt?

The molecular weight of C.I. Direct Red 81 disodium salt is 675.05 g/mol.

Where can I buy C.I. Direct Red 81 disodium salt?

You can request a quote for C.I. Direct Red 81 disodium salt 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 81 disodium salt?

Yes, KEHONG BIO provides custom synthesis services for C.I. Direct Red 81 disodium salt and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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