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481-39-0

Name 5-Hydroxy-1,4-naphthalenedione
CAS 481-39-0
EINECS(EC#) 207-567-5
Molecular Formula C10H6O3
MDL Number MFCD00001684
Molecular Weight 174.15
MOL File 481-39-0.mol

Chemical Properties

Appearance Orange to brown crystalline powder
Melting point  161-163 °C (lit.)
Boiling point  265.11°C (rough estimate)
density  1.2346 (rough estimate)
refractive index  1.5036 (estimate)
storage temp.  Refrigerator (+4°C)
solubility  DMSO: 10 mg/ml; Ethanol: 10 mg/ml
form  Crystalline Powder
pka 6.59±0.20(Predicted)
color  Orange to brown
Water Solubility  SOLUBLE IN HOT WATER
Sensitive  Light Sensitive
Merck  5269
BRN  1909764
LogP 1.920
CAS DataBase Reference 481-39-0(CAS DataBase Reference)
NIST Chemistry Reference 1,4-Naphthalenedione, 5-hydroxy-(481-39-0)
EPA Substance Registry System 481-39-0(EPA Substance)

Safety Data

Hazard Codes  T
Risk Statements 
R25:Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37/39:Wear suitable gloves and eye/face protection .
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  QJ5775000
HazardClass  6.1
PackingGroup  III
HS Code  29146990
Toxicity
LD50 oral in rat: 112mg/kg

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