1,7-Dihydroxynaphthalene , >98.0%(GC) , 575-38-2

Synonym(s):
1,7-Naphthalenediol

CAS NO.：575-38-2

Empirical Formula: C10H8O2

Molecular Weight: 160.17

MDL number: MFCD00035720

EINECS: 209-383-0

PRODUCT Properties

• Melting point: 180-184 °C (lit.)
• Boiling point: 246.06°C (rough estimate)
• Density: 1.0924 (rough estimate)
• refractive index: 1.5418 (estimate)
• Flash point: 252 °C
• storage temp.: Sealed in dry,Room Temperature
• solubility: DMSO (Slightly), Methanol (Slightly)
• pka: 9.58±0.40(Predicted)
• form: Solid
• color: Beige to Dark Brown
• Water Solubility: Slightly soluble in water.
• λmax: 335nm(Cyclohexane)(lit.)
• BRN: 1908499
• Cosmetics Ingredients Functions: HAIR DYEING
• InChI: 1S/C10H8O2/c11-8-5-4-7-2-1-3-10(12)9(7)6-8/h1-6,11-12H
• InChIKey: ZUVBIBLYOCVYJU-UHFFFAOYSA-N
• SMILES: Oc1ccc2cccc(O)c2c1
• CAS DataBase Reference: 575-38-2(CAS DataBase Reference)
• NIST Chemistry Reference: 1,7-Dihydroxynaphthalene(575-38-2)
• EPA Substance Registry System: Napthalene-1,7-diol (575-38-2)

Description and Uses

The preparation of 1,7-Dihydroxynaphthalene and its prompt characterization from its NMR data and peculiarities. Removal of dihydroxynaphthalenes from aqueous solution with the aid of an oxidoreductase polyphenol oxidase and biopolymer chitosan.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• target organs: Respiratory system
• PPE: dust mask type N95 (US), Eyeshields, Gloves
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36-37/39-36/37
• WGK Germany: 2
• RTECS: QJ4746666
• TSCA: TSCA listed
• HS Code: 29072900
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2; Skin Irrit. 2; STOT SE 3