3,5-DIAMINO-2,4,6-TRIMETHYLBENZENESULFONIC ACID|2,5-DIAMINOTOLUENE SULFATE|5-（N-HYDROXYETHYL)AMINO-O-CRESOL|2,4-DIAMINOPHENOXYETHANOL DIHYDROCHLORIDE|2-METHYL RESORCINOL|HC BLUE 2--Dragon Chemical Group

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2,7- DIHYDROXY NAPHTHALENE (27DON)

CAS No.: 582-17-2

Structural Formula:

Molecular weight: 160.17
Molecular formula: C₁₀H₈O₂
Appearance: Light-Grey To Beige Powder
Purity (HPLC Area-Percent): 99% Min.
Loss On Drying: 1% Max.
Ash: 0.5% Max.
M.P.: 187°C Min.
2-Naphthol: 0.1% Max.
1-Naphthol: 500ppm Max.
2,6-Dihydroxy Naphthalene: 600ppm Max.
1-Naphthylamine: 100ppm Max.
2-Naphthylamine: 10ppm Max.
Fe Content: 100ppm Max.

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