Orange B free acid

4-[[5-ethoxycarbonyl-3-oxo-2-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]naphthalene-1-sulfonic acid

CAS: 732922-62-2

Molecular Formula	`C22H18N4O9S2`
Molecular Weight	546.5 g/mol
LogP	2.6
Topological Polar Surface Area	209.0 A2
Hydrogen Bond Donors	3
Hydrogen Bond Acceptors	12
Rotatable Bonds	8
Exact Mass	546.0515
Heavy Atoms	37
Complexity	1170.0

Chemical Identifiers

CAS Number	732922-62-2
SMILES	`CCOC(=O)C1=C(C(=O)N(N1)C2=CC=C(C=C2)S(=O)(=O)O)N=NC3=CC=C(C4=CC=CC=C43)S(=O)(=O)O`
InChIKey	`CZKAWHARUCUKNT-UHFFFAOYSA-N`

📖 Product Overview

Orange B free acid (CAS: 732922-62-2) is a chemical compound with molecular formula C22H18N4O9S2 and molecular weight 546.5 g/mol. Its IUPAC systematic name is 4-[[5-ethoxycarbonyl-3-oxo-2-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]naphthalene-1-sulfonic acid. LogP 2.6 Topological Polar Surface Area 209.0 A2 Hydrogen Bond Donors 3 Hydrogen Bond Acceptors 12 Rotatable Bonds 8 Exact Mass 546.0515 Heavy Atoms 37 Complexity 1170.0 InChI Key: CZKAWHARUCUKNT-UHFFFAOYSA-N. SMILES: CCOC(=O)C1=C(C(=O)N(N1)C2=CC=C(C=C2)S(=O)(=O)O)N=NC3=CC=C(C4=CC=CC=C43)S(=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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