Thermo Scientific Chemicals 1-Nitroso-2-naphthol-3,6-disulfonic acid, disodium salt hydrate, pure, indicator gra

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.

Indicator

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
• IUPAC Name: disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate
• SMILES: [Na+].[Na+].OC1=C(N=O)C2=CC=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O

• Melting Point: >300.0°C
• Color: Yellow to Orange
• Loss on Drying: 5% max. (1 g, 105°C)
• Infrared Spectrum: Authentic
• Packaging: Glass bottle
• Quantity: 25 g
• Beilstein: 11, II, 190
• Merck Index: 15, 6731
• Solubility Information: Solubility in water: slightly soluble in water
• Formula Weight: 377.25
• Grade: Pure
• Physical Form: Crystalline Powder
• Chemical Name or Material: 1-Nitroso-2-naphthol-3, 6-disulfonic acid, disodium salt hydrate

Safety and Handling

Product Identifier

• 1-Nitroso-2-naphthol-3,6-disulfonic acid, disodium salt hydrate

Signal Word

• Warning

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.
• H312-Harmful in contact with skin.
• H332-Harmful if inhaled.
• H302-Harmful if swallowed.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only