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Acenaphthylene
Catalog Number
ACM208968-2
Product Name
Acenaphthylene
Structure
![{[CurrentData.Name]}](https://resource.alfachemic.com/structure/208-96-8.gif)
CAS
208-96-8
Synonyms
Cyclopenta[de]naphthalene
IUPAC Name
acenaphthylene
Molecular Weight
152.19
Molecular Formula
C12H8
Canonical SMILES
C1=CC2=C3C(=C1)C=CC3=CC=C2;
InChI
HXGDTGSAIMULJN-UHFFFAOYSA-N
InChI Key
InChI=1S/C12H8/c1-3-9-4-2-6-11-8-7-10(5-1)12(9)11/h1-8H
Boiling Point
280 °C(lit.)
Melting Point
78-82 °C(lit.)
Flash Point
122°C
Purity
99%
Density
0.899 g/cm3 at 25 °C(lit.)
Solubility
Insoluble (NTP, 1992);1.06e-04 M;In water, 3.93 mg/L at 25 deg C;In water, 9 mg/L at 25 deg C (OECD Guideline 105);Very soluble in ethanol, ether, benzene; slightly soluble in chloroform;
Appearance
Solid
Storage
APPROX 4°C
Color Form
Yellow needles;Colorless crystalline solid;Prisms from ether and plates from alcohol;
Complexity
184
Covalently-Bonded Unit Count
1
Decomposition
Hazardous decomposition products formed under fire conditions - Carbon oxides.;When heated to decomposition, it emits acrid smoke and irritating fumes.;
Defined Atom Stereocenter Count
0
EC Number
205-917-1
Exact Mass
152.0626
Formal Charge
0
Heavy Atom Count
12
Isomeric SMILES
C1=CC2=C3C(=C1)C=CC3=CC=C2
Isotope Atom Count
0
Monoisotopic Mass
152.0626
NSC Number
59821
Other Experimental
Enthalpy of sublimation, 17.0 kcal/mol at 298 K;Henry's Law constant = 1.25X10-4 atm-cu m/mol at 25 deg C;Hydroxyl radical reaction rate constant = 1.09X10-10 cu cm/molec-sec at 25 deg C;Gas-phase ozone reaction rate constant = 3.99-16 cu cm/molec-sec at 25 deg C;Nitrate radical reaction rate constant = 4.42X10-12 cu cm/molec-sec at 25 deg C;
Rotatable Bond Count
0
Stability
Stable under recommended storage conditions.;
Topological Polar Surface Area
0 Ų
UNII
1Z25C36811
UN Number
3077
Vapor Pressure
0.01 mmHg;0.0048 mm Hg at 25 deg C;
Application
Acenaphthylene serves as an essential intermediate in the chemical industry, utilized primarily in the production of various dyes, soaps, pigments, pharmaceuticals, insecticides, fungicides, herbicides, and plant growth hormones. Moreover, it plays a crucial role in synthesizing naphthalic acids, naphthalic anhydride for pigments, and acenaphthylene-based resins, while also being fundamental in the plastic manufacturing sector. Despite its valuable applications, acenaphthylene, a polycyclic aromatic hydrocarbon, is primarily released during the incomplete combustion of organic materials in industrial activities and human operations, which include coal and crude oil processing, metal production, residential and industrial heating, waste combustion, motor vehicle emissions, and tobacco smoke.
December 12, 2024
Essential Tool for Photodimerization Studies
We used Alfa Chemistry's Acenaphthylene in organic synthesis research, specifically for studying photodimerization in micellar media. Its reliability and consistent quality made it an invaluable resource in our laboratory experiments.
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