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2-Naphthol Structure

2-Naphthol

Chemical Properties

Melting point 120-122 °C(lit.)
Boiling point 285-286 °C(lit.)
Density  1,28 g/cm3
vapor density  4.97 (vs air)
vapor pressure  10 mm Hg ( 145.5 °C)
refractive index  1.5762 (estimate)
Flash point 153 °C
storage temp.  Store below +30°C.
solubility  methanol: soluble1g/10 mL, clear, colorless to light yellow
pka 9.51(at 25℃)
form  Powder, Crystals or Granules
color  White
PH Range Non& uorescence (8.5) to blue & uorescence (9.5)
Odor faint phenol-like odor
Water Solubility  1 g/L (20 ºC)
λmax 226nm, 265nm, 275nm, 286nm, 320nm, 331nm
Merck  14,6384
BRN  742134
Stability Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol.
Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders
InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N
LogP 1.89 at 20℃
CAS DataBase Reference 135-19-3(CAS DataBase Reference)
NIST Chemistry Reference 2-Naphthalenol(135-19-3)
EPA Substance Registry System 2-Naphthalenol (135-19-3)

Safety Information

Hazard Codes  Xn,N
Risk Statements  20/22-50
Safety Statements  24/25-61
RIDADR  UN 3077 9/PG 3
WGK Germany  2
RTECS  QL2975000
8
Autoignition Temperature 430 °C
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29071590
Hazardous Substances Data 135-19-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg

MSDS

Usage And Synthesis

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