Mainly produces a series of intermediate products based on naphthalene and benzene

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                            PRODUCTS

                            1-Naphthol
                            Synonyms 1-naphthol (α-naphthol)
                            Domestic patent application number 200410064819.0
                            Structural formula
                            Molecular weight 144.17
                            Molecular Formula

                            C10H8O

                            Property

                            Buff color or iron gray flaky solid. Inflammable, virulent. Has the phenol smell. The color is allowed to be deepened gradually in the storing process. Should evade light and store in d cool and dry place.

                            Use This product is the basic raw material or the intermediate for the dyestuff, pharmaceutical, pesticide, spicery and rubber aging inhibitor as well as the color former for the color cinefilm.
                            Specification convention

                            Index Name

                            Top Grade Product(pesticide)

                            First Quality(industrial product)

                            Appearance

                            Light off-white to light yellow tabular crystal( The color is allowed to be deepened when store)

                            Purity %≥

                            99.5

                            96

                            Crystallization point℃≥

                            94.5

                            91.5

                            2-naphthol %≤

                            0.5

                            4.5

                            Moisture %≤

                            0.1

                            ---

                            Low boiling pointsubstances %≤

                            0.1

                            ---

                            High boiling point substances %≤

                            0.1

                            ---

                            Non volatile matter %≤

                            0.1

                            ---

                            Specification extra grade Specification

                            Index Name

                            Extra Top Grade Product (pharmaceutical)

                            Extra Pure Grade Product(pharmaceutical)

                            Appearance

                            Light off-white to light yellow tabular crystal( The color is allowed to be deepened when store)

                            Solution state to the alkali

                            pure clear transparent

                            Purity %≥

                            99.9

                            99.9

                            99.9

                            99.9

                            99.9

                            99.9

                            99.9

                            Crystallization point℃≥

                            94.5

                            94.5

                            94.5

                            94.5

                            94.5

                            94.5

                            94.5

                            2-naphthol≤(mg/kg)

                            1000

                            500

                            300

                            200

                            100

                            50

                            30

                            Moisture %≤

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            Low boiling point substances %≤

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            High boiling point substances %≤

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            Non volatile matter %≤

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            0.1

                            Packing net weight 50kg, woven bag inner lining plastic film.

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                            E-mail:xinyan_gu@changyuchem.com

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