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

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.

Specifications

Chemical Identifiers

• CAS: 525-05-3
• Molecular Formula: C10H5NNa2O8S2
• Molecular Weight (g/mol): 377.25
• MDL Number: MFCD00149246
• InChI Key: DMKMTGULLYISBH-UHFFFAOYSA-L
• Synonym: nitroso-r salt, nitroso r, sodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate, disodium 1-nitroso-2-naphthol-3,6-disulfonate, nitroso r salt, 1-nitroso-3,6-disulfonate, 2,7-naphthalenedisulfonic acid, 3-hydroxy-4-nitroso-, disodium salt, 3-hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt, 1-nitroso-2-naphthol-3,6-disulfonic acid disodium salt, disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulphonate
• PubChem CID: 10672
• SMILES: [Na+].[Na+].OC1=C(N=O)C2=CC=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O

• Melting Point: >300°C
• Quantity: 500 g
• Beilstein: 3643930
• Merck Index: 14,6644
• Solubility Information: Slightly soluble in methanol and ethanol.
• IUPAC Name: disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
• Formula Weight: 377.26
• Percent Purity: ≥90%
• Chemical Name or Material: 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt

Safety and Handling

Hazard Category	H302+H312+H332-H315-H319-H335
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
EINECSNumber	208-369-1
RTECSNumber	QJ6480000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only