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

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

Catalog No. p-174966
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500 g
Packaging:
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Catalog No. Quantity Packaging
AC346550250 25 g Glass bottle
AC346551000 100 g Glass bottle
AC346555000 500 g Glass bottle
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Catalog No. AC346550250 Supplier Thermo Scientific Chemicals Supplier No. 346550250
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Description

CAS: 525-05-3 | C10H5NNa2O8S2 | 377.25 g/mol

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.

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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

Specifications

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
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Safety and Handling

Hazard Category GHS Signal Word: Warning
Hazard Statement GHS H Statement:
Causes skin irritation.
Harmful if swallowed.
Harmful if inhaled.
Causes serious eye irritation.
Harmful in contact with skin.
May cause respiratory irritation.
Precautionary Statement GHS P Statement:
Wear protective gloves/protective clothing/eye protection/face protection.
IF ON SKIN: Wash with plenty of soap and water.
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
EINECSNumber 208-369-1
RTECSNumber QJ6480000
TSCA TSCA

RUO – Research Use Only