1-Nitroso-2-naphthol CAS NO.131-91-9

1-Nitroso-2-naphthol CAS NO : 131-91-9 Properties: Yellowish-brown needles from petr ether, mp 109-110°. Sol in 1000 parts water, 35 parts alcohol…

1-Nitroso-2-naphthol CAS NO : 131-91-9 Properties: Yellowish-brown needles from petr ether, mp 109-110°. Sol in 1000 parts water, 35 parts alcohol; also sol in hot alcohol, benzene, ether, carbon disulfide, caustic alkali solns, glacial acetic acid; slightly sol in cold petr ether. CAS Name: 1-Nitroso-2-naphthalenol Additional Names: nitroso-b-naphthol Molecular Formula: C10H7NO2 Molecular Weight: 173.17 Percent Composition: C 69.36%, H 4.07%, N 8.09%, O 18.48% Melting Point : 104-108 oC Water Solubility : Insuluble Use: To prevent gum formation in gasoline; in analytical chemistry in the determination of cobalt (to separate it from nickel).