Direct Orange S

disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonate

CAS: 3626-36-6

Molecular Formula	`C33H22N6Na2O9S2`
Molecular Weight	756.7 g/mol
Topological Polar Surface Area	262.0 A2
Hydrogen Bond Donors	4
Hydrogen Bond Acceptors	13
Rotatable Bonds	6
Exact Mass	756.0685
Heavy Atoms	52
Complexity	1310.0

Chemical Identifiers

CAS Number	3626-36-6
SMILES	`C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]`
InChIKey	`DSARWKALPGYFTA-UHFFFAOYSA-L`

📖 Product Overview

Direct Orange S (CAS: 3626-36-6) is a chemical compound with molecular formula C33H22N6Na2O9S2 and molecular weight 756.7 g/mol. Its IUPAC systematic name is disodium;4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonate. Topological Polar Surface Area 262.0 A2 Hydrogen Bond Donors 4 Hydrogen Bond Acceptors 13 Rotatable Bonds 6 Exact Mass 756.0685 Heavy Atoms 52 Complexity 1310.0 InChI Key: DSARWKALPGYFTA-UHFFFAOYSA-L. SMILES: C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].

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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.

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?

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