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Home/Catalysts & Chemical Auxiliary Agents/Other/1-nitroso-2-naphthol cas 131-91-9

1-nitroso-2-naphthol cas 131-91-9

Chemical Name:1-Nitroso-2-naphthol

CAS No.:131-91-9

Molecular Formula: C10H7NO2

Molecular Weight: 173.17

Appearance:Dark red to red voilet power

Category:

Description

1-Nitroso-2-naphtholDetails

Chemical Name:1-Nitroso-2-naphthol

CAS No.:131-91-9

Molecular Formula: C10H7NO2

Molecular Weight: 173.17

MolecularStructure:1-Nitroso-2-naphthol CAS 131-91-9

Appearance:Dark red to red voilet power

1-Nitroso-2-naphtholTypical Properties

Item Standard Result
Appearance Dark red to red voilet power Conforms
Purity(%) HPLC ≥95% 97.5%
Moisture <5% 2.9%

1-Nitroso-2-naphtholUsage

1. The product is sulfonated, diazotized, and nitrated to obtain 6-nitro-2,1-hydroxydiazophthalene-4-sulfonic acid.

2. Also known as 6-nitro-1,2-diazooxynaphthalene-4-sulfonic acid, an intermediate for acidic medium black dyes.

3. This product is a reagent for the determination of cobalt, palladium, copper and iron.

4. Used as photometric method for the determination of cobalt, palladium and zirconium

5. Used as a coprecipitant for enrichment of Cr3 , Co2 , Fe2 , UO

6. Also used as an extractant for Ag , Cd2 , Co2 , Cu2 , Ni2 , Th4 plasma, and a method for determining cobalt precipitant by weighing method

7. Used as an intermediate in organic synthesis

1-Nitroso-2-naphtholPackaging and Shipping

25kg/drum

1-Nitroso-2-naphtholStorage

Stored in cool dry ventilated warehouse away from fire, heat and light

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