Acid Red 13 free acid

6-hydroxy-5-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonic acid

CAS: 25317-26-4

Molecular Formula	`C20H14N2O7S2`
Molecular Weight	458.5 g/mol
LogP	3.3
Topological Polar Surface Area	170.0 A2
Hydrogen Bond Donors	3
Hydrogen Bond Acceptors	9
Rotatable Bonds	4
Exact Mass	458.02423
Heavy Atoms	31
Complexity	880.0

Chemical Identifiers

CAS Number	25317-26-4
SMILES	`C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N=NC3=C(C=CC4=C3C=CC(=C4)S(=O)(=O)O)O`
InChIKey	`NLWPUNWFCUWCEU-UHFFFAOYSA-N`

📖 Product Overview

Acid Red 13 free acid (CAS: 25317-26-4) is a chemical compound with molecular formula C20H14N2O7S2 and molecular weight 458.5 g/mol. Its IUPAC systematic name is 6-hydroxy-5-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonic acid. LogP 3.3 Topological Polar Surface Area 170.0 A2 Hydrogen Bond Donors 3 Hydrogen Bond Acceptors 9 Rotatable Bonds 4 Exact Mass 458.02423 Heavy Atoms 31 Complexity 880.0 InChI Key: NLWPUNWFCUWCEU-UHFFFAOYSA-N. SMILES: C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N=NC3=C(C=CC4=C3C=CC(=C4)S(=O)(=O)O)O.

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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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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.

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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.

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