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2,3-Dihydroxynaphthalene Structure

2,3-Dihydroxynaphthalene

Chemical Properties

Melting point 161-165 °C (lit.) 162-164 °C
Boiling point 246.06°C (rough estimate)
Density  1.0924 (rough estimate)
vapor pressure  0.8 hPa (149 °C)
refractive index  1.5178 (estimate)
Flash point 175 °C
storage temp.  Store below +30°C.
solubility  4g/l
form  Powder
pka 9.10±0.40(Predicted)
color  White to pinkish to beige-grayish
PH 6 (1g/l, H2O, 20℃)
Water Solubility  slightly soluble
BRN  742375
CAS DataBase Reference 92-44-4(CAS DataBase Reference)
NIST Chemistry Reference 2,3-Naphthalenediol(92-44-4)
EPA Substance Registry System 2,3-Naphthalenediol (92-44-4)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39
WGK Germany  3
RTECS  QJ4750000
10-23
Autoignition Temperature >330 °C
TSCA  Yes
HS Code  29072900
Toxicity LD50 orally in Rabbit: 970 mg/kg

MSDS

Usage And Synthesis

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