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Description

Perylene · CAS 198-55-0 · C20H12. UNII 5QD5427UN7. Melting Point: 273-274 °C; Solubility: In water, 0.0004 mg/L at 25 °C; Density: 1.35.

Identification

CAS Registry Number	198-55-0
PubChem CID	9142
Molecular formula	C20H12
IUPAC name	perylene
UNII (FDA)	5QD5427UN7

Computed Descriptors

Molecular Weight	252.3
XLogP3	5.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	252.093900383
Monoisotopic Mass	252.093900383
Topological Polar Surface Area	0
Heavy Atom Count	20
Formal Charge	0

Physical & Chemical Properties

Melting Point	273-274 °C
Solubility	In water, 0.0004 mg/L at 25 °C
Density	1.35
Vapor Pressure	0.00000001 [mmHg]
LogP	log Kow = 6.30
LogP	6.53
Heat of Vaporization	89.9 kJ/mol (323-473 K)
Collision Cross Section	151.5 Ų [M+H]+
Collision Cross Section	149.6 Ų [M*]+

Physical description & handling notes

• Other Solid
• Yellow to colorless solid; [Merck Index] Yellow or orange powder; [MSDSonline]
• Yellow to colorless crystals from toluene
• Golden-brown yellow plates from benzene, acetic acid
• 350-400 (sublimes)
• Freely soluble in carbon disulfide, chloroform; moderately soluble in benzene; slightly in ether, alcohol, acetone; very sparingly soluble in petroleum ether.

Regulatory Status

GHS notification summary	80% (4 / 5)

GHS Hazard Classification

GHS notification summary	80% (4 / 5)
Reported hazard statements	H351 (20%), H410 (20%)

Documented Uses

• Used to manufacture organic semiconductors; [HSDB]
• Semiconductor Manufacturing [Category: Industry]
• Used in the manufacture of organic semiconductors.
• PAHs are generally not produced commercially in the United States except as research chemicals. /Polycyclic aromatic hydrocarbons/
• It is used as fluorescent lipid probe in the cytochemistry of membranes.
• The Scholl reaction is the dehydrogenating condensation of an aromatic compound in the presence of Friedel-Crafts catalysts. Typical examples are the formation of perylene from naphthalene.

Synonyms

PERYLENE; 198-55-0; peri-Dinaphthalene; Perilene; Dibenz[de,kl]anthracene; alpha-Perylene; Dibenz(de,kl)anthracene; DTXSID4047753; 5QD5427UN7; NSC-6512; CHEBI:29861; Peri Dinaphthalene; RefChem:171884; DTXCID9027736; 205-900-9; Perylen

Frequently Asked Questions

What are the CAS number and molecular formula of Perylene?

CAS 198-55-0; molecular formula C20H12; molecular weight — g/mol.

What other names is Perylene known by?

PERYLENE, 198-55-0, peri-Dinaphthalene, Perilene, Dibenz[de,kl]anthracene, alpha-Perylene.

Is Perylene classified as hazardous?

80% of GHS notifications report no hazard classification (4 of 5).

What are the key physical properties of Perylene?

Melting Point: 273-274 °C; Solubility: In water, 0.0004 mg/L at 25 °C; Density: 1.35; Vapor Pressure: 0.00000001 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.