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Ensinger PEI

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Alfa Chemistry Materials Acenaphthylene
Material Notes: Enthalpy of sublimation, 17.0 kcal/mol at 298 K; Henry's Law constant = 1.25X10-4 atm-cu m/mol at 25°C; Hydroxyl radical reaction rate constant = 1.09X10-10 cu cm/molec-sec at 25°C; Gas-phase ozone reaction rate constant = 3.99-16 cu cm/molec-sec at 25°C; Nitrate radical reaction rate constant = 4.42X10-12 cu cm/molec-sec at 25°C

Storage: Stable under recommended storage conditions.

Applications: Polycyclic aromatic hydrocarbons are carcinogenic

ACENAPHTHYLENE is a colorless crystalline solid. Insoluble in water. Used in dye synthesis, insecticides, fungicides, and in the manufacture of plastics.

Synonyms: Tox21_300587; MFCD00003806; 208-96-8; InChI=1/C12H8/c1-3-9-4-2-6-11-8-7-10(5-1)12(9)11/h1-8; FT-0600515; Cyclopenta[de]naphthalene; RTR-009826; TRA0083522; G00031-Watson-Int; NSC-59821

Smiles: C1=CC2=C3C(=C1)C=CC3=CC=C2;

Information provided by Alfa Chemistry Materials.

Vendors: Alfa Chemistry is an ISO 9001:2015 certified supplier of various materials, including: MOFs, coatings, nanomaterials, metals, polymers, carbon fibers, graphite, ceramics, glass, semiconductors, catalysts, carbon nanotubes, fullerene, COFs, molecular sieve, quantum dots, recycled plastics, photonic and optical materials, and magnetic materials, for customers worldwide. Alfa Chemistry also provides custom synthesis services for nearly all kinds of materials and chemicals. Learn more about Alfa Chemistry's high quality products at materials.alfachemic.com.

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Physical PropertiesOriginal ValueComments
Density 0.8987 g/cc
@Temperature 16.0 °C
Molecular Weight 152.063 g/mol"Exact Mass" - Based on Specific Isotopes
 152.063 g/molMonoisotopic Mass - Isotopic Peak from Most Abundant Isotopes
 152.196 g/mol
Vapor Pressure 0.00480 torr
@Temperature 25.0 °C
Storage Temperature 4.00 °C
 
Thermal PropertiesOriginal ValueComments
Melting Point 89.4 °C
 
Descriptive Properties
Alfa Chemistry Materials CategoryPolymer Science
CAS Number208-96-8
Color/FormYellow needles; Colorless crystalline solid; Prisms from ether and plates from alcohol;
Complexity184
Covalently-Bonded Unit1
DecompositionHazardous decomposition products formed by heat or fire - Carbon oxides.
 When heated to decomposition, it emits acrid smoke and irritating fumes.
EC Number205-917-1
Heavy Atom Count12
InChIInChI=1S/C12H8/c1-3-9-4-2-6-11-8-7-10(5-1)12(9)11/h1-8H;
InChIKeyHXGDTGSAIMULJN-UHFFFAOYSA-N;
IUPAC Nameacenaphthylene;
Molecular FormulaC12H8
NSC Number59821
Octanol/Water Partition Coefficient3.94 (LogP);log Kow = 3.93;
SolubilityInsoluble In water
 Slightly soluble in chloroform
 Very soluble in ethanol, ether, benzene
StabilityStable under recommended storage conditions.
Topological Polar Surface Area0A^2
UN Number3077
UNII1Z25C36811

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