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1,7-Dihydroxynaphthalene Structure

1,7-Dihydroxynaphthalene

Chemical 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)
EWG's Food Scores 1-4
FDA UNII 7D42F605CS
NIST Chemistry Reference 1,7-Dihydroxynaphthalene(575-38-2)
EPA Substance Registry System Napthalene-1,7-diol (575-38-2)
UNSPSC Code 12352100
NACRES NA.22
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Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
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
NFPA 704:
1
2 0

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