Acenaphthoquinone

Acenaphthoquinone
Chemical name 1,2-Acenaphthylenedione
General
Chemical formula	C12H6O2
Molecular weight	182.18 g/mol
Appearance	Purple-Yellow Crystals to Brown powder
CAS number	82-86-0
MSDS	Acenaphthoquinone MSDS
Other names
1,2-Acenaphthylenedione Acenaphthenequinone
Physical properties
Density and phase at STP	?
Solubility	90.1 mg/L Insoluble (soluble in alcohol)
Specific gravity	?
Crystal structure	?
pH (10% solution with water) (pKa)	?
Acidity constant (pKa)	?
Thermal decomposition	? K (? °C)
Phase behavior
Melting point	530–534 K (257–261 °C)
Boiling point	?
Triple point	?
Critical point	?
Heat of fusion (ΔfusH)	?
Entropy of fusion (ΔfusS)	?
Heat of vaporization (ΔvapH)	?
Safety
Ingestion	May cause gastrointestinal irritation with nausea, vomiting and diarrhea
Inhalation	Causes respiratory tract irritation. Can produce delayed pulmonary edema
Skin	Causes skin irritation.
Eyes	Causes eye irritation. May cause chemical conjunctivitis.
Flash point	?
Autoignition temperature	?
Explosive limits	?
OSHA Permissible Exposure Limit (PEL)	?
NIOSH Immediate Danger to Life and Health (IDLH)	?
Precautions
Hazards: Irritating substance Personal protection: Eyewash and safety shower Reacts with: Oxidizing agents Storage: Tightly closed containers in a dry environment
Solid properties
Standard enthalpy change of formation (ΔfH0solid)	?
Standard molar entropy (S0solid)	?
Heat capacity (Cp)	?
Liquid properties
ΔfH0liquid	?
S0liquid	?
Cp	?
Density	?
Gas properties
ΔfH0gas	?
S0gas	?
Cp	?
Except where noted, all data was produced under conditions of standard temperature and pressure.

Acenaphthoquinone is a polycyclic aromatic hydrocarbon derived from Naphthalene. It is used as an intermediate for the manufacturing of dyes, pharmaceuticals and pestidices. It is also used in chemical research as a drug and therapeutic agent.

The substance is classified as an Irritant. Its carcinogenic properties have not been fully investigated yet.

Its formula is C₁₂H₆O₂.

External links

• PAHs - including structural diagrams
• Entry at ChemicalLand21.com

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