Thermo Scientific Chemicals

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%, Thermo Scientific Chemicals

Catalog number: B23375.36
500 g, Each
Thermo Scientific Chemicals

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt, 90+%, Thermo Scientific Chemicals

Catalog number: B23375.36
500 g, Each
Quantity
Catalog number: B23375.36
also known as B23375-36
Price (USD)
Price: 467.00
Online price: 396.65
Your price:
Quantity
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Chemical Identifiers

CAS
525-05-3
IUPAC Name
disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
Molecular Formula
C10H5NNa2O8S2
InChI Key
DMKMTGULLYISBH-UHFFFAOYSA-L
SMILES
[Na+].[Na+].OC1=C(N=O)C2=CC=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O
Loss on Drying
≤6.0% (200?C, constant wt.)
Appearance (Color)
Yellow to orange
Form
Crystalline powder or powder
Assay (Aqueous acid-base Titration)
≥90.0 to ≤110.0?C (dry wt. basis)
Assay (ex Sulphated Ash)
≥90.0 to ≤110.0?C (dry wt. basis)

Description

1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt is the most sensitive determination of trace cobalt reagents used for determination of cobalt and potassium-sensitive reagents.

Solubility
Slightly soluble in methanol and ethanol.

Notes
Store in a cool, dry conditions, in well sealed conditions. Store away from oxidizing agents.
RUO – Research Use Only

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