PRODUCT IDENTIFICATION

TOXICITY

CLASSIFICATION

PHYSICAL AND CHEMICAL PROPERTIES

SOLVENT SOLUBILITY

538 C

121 C

APPLICATIONS

Anthracene is a tricyclic aromatic hydrocarbonn derived from coal tar; melts at 218°C,boils at 354°C, insoluble in water but is soluble in most organic solvents such as carbon disulfide, alcohols, benzene, chloroform, and hydronaphthalenes. Its molecular structure consists of three benzenelike rings joined side by side (the general formula C_nH_2n-18) and its oxidation yields anthraquinone, the parent substance of a large class of dyes and pigments. Anthracene is a basic substance for production of anthraquinone, dyes, pigments, insecticides, wood preservatives and coating materials. Anthracene is a nucleus for polymer soluble pigments. Anthracene forms reversible photodimer through the 9-,10- positions in response to light and provides photochromic applications. Anthracene family compounds are base materials for colorings. They have useful functions such as light and temperature sensitivity, heat resistance, conductivity, emittability, and corrosion resistance.

Due to pi-electron cloud overlaps, anthracene exhibits semiconductor property. Organic semiconductors have some merits of self radiation, flexibility, light weight, easy fabrication, and low cost. They have been investigated as organic electroluminescence materials for the applications in organic solar cells, biosensitizers and display devices such as OLED(Organic Light Emiting Diode), OTFT(Organic Thin Film Transistor), Wearable Display, and e-paper. Some examples of organic electroluminescence materials are:

• Oligomer Electro Luminescence Materials
• 8-hydroxyquinoline aluminum
• Anthracene
• Pentacene
• Penyl substituent cyclopentadiene derivatives
• Phthaloperinone derivatives
• Perylene derivatives
• Rubrene
• Polymer Electro Luminescence Materials
• Polyaniliness
• Poly(p-phenylenevinylene)s
• Poly(thiophene)s
• Poly(alkylfluorene)s
• Poly(acetylene)s

APPEARANCE

yellowish flakes

95.0% min

GENERAL DESCRIPTION OF PAHs

• Acenaphthene: Intermediate for naphthalic acids, naphthalic anhydride (intermediate for pigments) and for acenaphthylene (intermediate for resins); Intermediate for dyes, soaps, pigments, pharmaceuticals, insecticide, fungicide, herbicide and plant growth hormones. It is used to manufacture plastics and as an agent for inducing polyploidy.
• Acridine: Dye and pharmaceutical manufacturing
• Anthracene: Its oxidation yields anthraquinone, the parent substance of a large class of dyes and pigments; .diluent for wood preservatives; scintillant (for detection of high-energy radiation)
• Fluoranthene: manufacturing fluorescent and vat dyes, pharmaceuticals and agrochemicals.
• Fluorene: basic subsance for production of dyes, pigments, pesticides, thermoset plstic and pharmaceuticals; manufacturing fluorenone (mild oxidizing agent)
• Naphthalene: In the production of phthalic anhydride, carbaryl insecticide, beta-naphthol, tanning agents, moth repellent, and surfactants - naphthalene: main use: production of phthalic anhydride (intermediate for polyvinyl chloride plasticizers); also, production of azo dyes, surfactants and dispersants, tanning agents, carbaryl (insecticide), alkylnaphthalene solvents (for carbonless copy paper), and use without processing as a fumigant (moth repellent)
• Phenanthrene: manufacturing phenanthrenequinone (intermediate for pesticides); manufacturing diphenic acid (intermediate for resins)
• Pyrene: manufacturing perinon pigments
• Quinoline: solvent for resins & terpines; decarboxylation agent; parent compound to make drugs, fungicides, biocides, alkaloids, dyes, rubber chemicals and flavoring agents

Precise PAHs, specific refined products are used also in the field of electronics, functional plastics and liquid crystals. Pharmaceutical and agricultural PAHs obtained from coal tar are such materials as indole, indolizine, indene, quinoline, quinalidine, isoquinoline and their derivatives. High boiling-point special solvent are such materials as tetoralin, decaline, methyl-naphthalenes. Coumarins and dihydrocoumarins which can be obtained from coal tar are PAHs used in perfumery. Thermosensitive paper sensitizer PAHs are such materials as p-benzylbiphenyl and ethylbiphenyl.