2,7-naphthalenediol

naphthalene, 2,7-dihydroxy

CAS: 582-17-2 C10 H8 O2 MW: 160.17216000

Identification

Name	2,7-naphthalenediol
IUPAC	naphthalene-2,7-diol
CAS Number	582-17-2
EINECS	209-478-7
FDA UNII	0TO8E448UD
Molecular Formula	C10 H8 O2
Molecular Weight	160.17216000
MDL Number	MFCD00004085
Nikkaji Number	J70.178E
Beilstein	2042383
XlogP3	2.30 (est)

Regulatory

Physical Properties

Assay	95.00 to 100.00
Food Chemicals Codex Listed	No
Melting Point	193.00 °C. @ 760.00 mm Hg
Boiling Point	375.40 °C. @ 760.00 mm Hg (est)
Flash Point	380.00 °F. TCC ( 193.50 °C. ) (est)
logP (o/w)	1.980 (est)
Soluble in	water, 6193 mg/L @ 25 °C (est)

Cosmetic Information

CosIng	cosmetic data
Cosmetic Uses	hair dyeing agents

No sensory data available

Safety Information

Preferred SDS	View
Oral/Parenteral Toxicity	intraperitoneal-mouse LD50 102 mg/kg
Dermal Toxicity	Not determined
Inhalation Toxicity	Not determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Category	hair dyeing agents
Recommendation for 2,7-naphthalenediol usage levels up to	not for fragrance use.
Recommendation for 2,7-naphthalenediol flavor usage levels up to	not for flavor use.

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582-17-2 2,7-Naphthalenediol N/A

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D0594 2,7-Dihydroxynaphthalene >99.0%(GC)

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Potential Uses

hair dyeing agents

Natural Occurrence

not found in nature

Synonyms

c.i. 76645 ci 76645 2,7- dihydroxy naphthalene 2,7- dihydroxynaphthalene 2,7- naphthalene diol naphthalene-2,7-diol naphthalene, 2,7-dihydroxy 2,7- naphthalenediol (8CI,9CI) PubMed: [Simultaneous determination of seven naphthalenediols in cosmetics by reversed-phase high performance liquid chromatography]. PubMed: Condensation of 2-naphthol and naphthalenediols with o-dichlorobenzene in the presence of aluminum halides.