| CAS No.: | 131-91-9 |
|---|---|
| Formula: | C10h7no2 |
| EINECS: | 205-043-0 |
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1-Nitroso-2-naphtholDetails
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
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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