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8.20848 EMD Millipore

1,5-Naphthalenediol

1,5-Naphthalenediol for synthesis. CAS 83-56-7, pH 6 (0.5 g/l, H₂O, 20 °C)., for synthesis

Synonym: 1,5-Dihydroxynaphthalene

  • CAS Number 83-56-7

  • Linear Formula C₁₀H₈O₂

  • Molecular Weight 160.17 g/mol

  •  EC Number 201-487-4

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Properties

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solubility   0.6 g/l
flash point   252 °C
autoignition temp.   >250 °C
mp   250 °C (decomposition)
pH   6 (0.5 g/l, H₂O, 20 °C)
bulk density   700 kg/m3
LD 50 oral   LD50 Rat 660 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (HPLC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 257 °C
  Melting range (upper value): ≤ 260 °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.
H319: Causes serious eye irritation.
Precautionary Statement(s) 
P260: Do not breathe dust.
P262: Do not get in eyes, on skin, or on clothing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
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) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 3077 , 9, III
Declaration (transport by air) IATA-DGR 
UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code 
UN 3077 , 9, III, Marine Pollutant: P
Categories of danger 
harmful, irritant
R Phrase 
R 22-36
Harmful if swallowed.Irritating to eyes.
S Phrase 
S 22-24
Do not breathe dust.Avoid contact with skin.
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