Thermo Scientific Chemicals Hydroxy Naphthol Blue, Disodium Salt, Pure

Product Code	Brand	Quantity	Packaging
10450671	Thermo Scientific Chemicals 204880050	5 g	Glass bottle
10206550	Thermo Scientific Chemicals 204881000	100 g	Glass Bottle
10465175	Thermo Scientific Chemicals 204885000	500 g	Glass bottle

Description

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

Chemical Identifiers

• CAS: 165660-27-5
• Molecular Weight (g/mol): 600.495
• InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N
• PubChem CID: 131849366
• SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

• Molecular Formula: C20H12N2Na2O11S3
• MDL Number: MFCD00004075
• Synonym: 2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acid disodium salt
• IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium

Specifications

• Melting Point: 274.0°C
• Molecular Formula: C20H12N2Na2O11S3
• Synonym: 2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acid disodium salt
• InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N
• SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]
• Molecular Weight (g/mol): 600.495
• Formula Weight: 598.47
• Suitability: (for calcium determination) passes
• Physical Form: Crystalline Powder or Crystals

• CAS: 165660-27-5
• MDL Number: MFCD00004075
• Solubility Information: Solubility in water: soluble.
• Infrared Spectrum: Authentic
• IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium
• PubChem CID: 131849366
• Grade: ACS Reagent
• Color: Blue to Purple
• Chemical Name or Material: Hydroxy Naphthol Blue, disodium salt

Safety and Handling

Recommended Storage : Room tempature

Product Identifier

• Hydroxy Naphthol Blue, disodium salt

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2

Hazard Statement

• H319-Causes serious eye irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Supplemental information

• MIXTURE LIST-Contains : hydroxynapthol bluedisodium

RUO – Research Use Only