Chemicals

2,7-Dihydroxynaphthalene

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Chemical Name:2,7-Dihydroxynaphthalene

CAS.NO:582-17-2

Synonyms:2,7-Naphthelendiol

2,7-Naphtalenediol

2,7-Naphthalenediol

naphthalenediol-2,7

naphthalene-2,7-diol

Molecular Formula:C10H8O2

Molecular Weight:160.16900

Physical and Chemical Properties:

Density:1.33;

Melting point:185-190oC;

Index of Refraction:1.725;

Specification:

Appearance:Light-Grey To Beige Powder

Purity(HPLC):≥99.0%

Ash:≤0.5%

Loss on drying:≤1.0%

Fe content:≤100ppm

2-Naphthol≤0.1%

1-Naphthol≤500ppm

2,6-Dihydroxy Naphthalene≤600ppm

1-Naphthylamine≤100ppm

2-Naphthylamine≤10ppm

Packing:25 kg/drum, can also be packaged according to customer requirements

Storage:Store in a cool, ventilated place

Application:Hair dyes intermediate

2,7-Dihydroxynaphthalene

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