C.I. Acid Red 18, Trisodium Salt

trisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate

CAS: 2611-82-7

Molecular Formula	`C20H11N2Na3O10S3`
Molecular Weight	604.5 g/mol
Topological Polar Surface Area	242.0 A2
Hydrogen Bond Donors	1
Hydrogen Bond Acceptors	12
Rotatable Bonds	2
Exact Mass	603.9269
Heavy Atoms	38
Complexity	1080.0

Chemical Identifiers

CAS Number	2611-82-7
SMILES	`C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+].[Na+]`
InChIKey	`SWGJCIMEBVHMTA-UHFFFAOYSA-K`

📖 Product Overview

C.I. Acid Red 18, Trisodium Salt (CAS: 2611-82-7) is a chemical compound with molecular formula C20H11N2Na3O10S3 and molecular weight 604.5 g/mol. Its IUPAC systematic name is trisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate. Topological Polar Surface Area 242.0 A2 Hydrogen Bond Donors 1 Hydrogen Bond Acceptors 12 Rotatable Bonds 2 Exact Mass 603.9269 Heavy Atoms 38 Complexity 1080.0 InChI Key: SWGJCIMEBVHMTA-UHFFFAOYSA-K. SMILES: C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+].[Na+].

🧪

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 →

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.

📚 Academic Support

Scientific research papers and technical documentation supporting this product for informed procurement decisions.

📖

Technical Blog Article

Multi-source research profile: chemical properties, regulatory status, and sourcing guide for C.I. Acid Red 18, Trisodium Salt.

Browse Technical Blog →

No research papers found for this product yet.

We continuously update our academic references. Check back soon!