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8.14578 EMD Millipore

2,3-Naphthalenediol

2,3-Naphthalenediol for synthesis. CAS 92-44-4, pH 6 (1 g/l, H₂O, 20 °C)., for synthesis

Synonym: 2,3-Dihydroxynaphthalene

  • CAS Number 92-44-4

  • Linear Formula C₁₀H₈O₂

  • Molecular Weight 160.17 g/mol

  •  EC Number 202-156-7

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Properties

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packaging   50 g in Glass bottle (8145780050)
vapor pressure   0.8 hPa (149 °C)
solubility   4 g/l
flash point   175 °C
autoignition temp.   >330 °C
mp   161 - 164 °C
pH   6 (1 g/l, H₂O, 20 °C)
bulk density   500 kg/m3
LD 50 oral   LD50 Rat 970 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HPLC, area%): ≥ 97.0 % (a/a)
  Melting range (lower value): ≥ 161 °C
  Melting range (upper value): ≤ 164 °C
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2907 29 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H318: Causes serious eye damage.
Precautionary Statement(s) 
P280: Wear eye protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 2 water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful, irritant
R Phrase 
R 22-41
Harmful if swallowed.Risk of serious damage to eyes.
S Phrase 
S 26
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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