129-00-0 Basic information More..
Product Name:Pyrene
Synonyms:Pyrene (purity);Pyrenepract;PYRENE, FOR FLUORESCENCE;PYRENE, 1X1ML, CH2CL2, 200UG/ML;41164, Pyrene (purity);PYRENE, 5000MG, NEAT;PYRENE-D10, 25MG, NEAT;PYRENE, 1X1ML, MEOH, 1000UG/ML
CAS:129-00-0
MF:C16H10
MW:202.25
EINECS:204-927-3
Mol File:129-00-0.mol
129-00-0

Use

Pyrene is one of the processing products of coal tar with the content in the coal tar being about 0.6 to 1.2% and is mainly concentrated in the anthracene oil fraction. Pyrene is a kind of solid aromatic compound with its molecule comprising of four benzene rings connected with each other. Pyrene has its molecular formula of C16H10, molecular weight of 202.26, melting point of 150 °C, boiling point of 393 °C and the density of 1.277g/cm3. Pyrene appears as pale yellow crystalline monoclinic tablets, insoluble in water and easily soluble in benzene, toluene, carbon disulfide, ether and other organic solvents. Pyrene is carcinogenic and can be converted to mutagenic 1-nitro-pyrene under the effect of nitrogen dioxide. The position 1 and position 6 of pyrene can easily react with electrophilic reagent as well as have oxidation and hydrogenation reaction. Pyrene can also have halogenation, nitration and sulfonation; mono-substitution occurs at the 3-position, di-substitution includes 3, 10 and 3, 8-position with 3, 10 being more frequent. Its oxidation can generate 3, 10-quinones and 3, 8-quinones which can further oxidized to generate 1, 4, 5, 8-naphthalene tetracarboxylic acid. Pyrene can be used in the production of dyes such as indanthrone dyes and anthraquinone vat dyes. The extraction method of is: take the residuum or bitumen distillate oil produced from the distillation of the anthracene fractions as the raw material, perform distillation under reduced pressure, take the 390~400 ℃ fraction which contains about 40% of pyrene fraction, then use 25% of the coal tar solvent oil and 75% ethanol mixed solvent (the volume of the solvent: pyrene fraction: 1:12), and recrystallized for several times until qualified products are obtained. Pyrene belongs to low toxicity compounds and has mild irritation effect on the skin, eyes and upper respiratory tract. Long-term inhalation can cause aglobulism and mild liver and kidney damage. Long-term exposure upon 3mg/m3~5mg/m3 can cause headaches, fatigue, loss of appetite, and being prone to excitable. The above information is edited by the chemicalbook of Dai Xiongfeng.

Lastest Price from Pyrene manufacturers

  • Pyrene
  • US $1.00 / KG
  • 2019-07-06
  • CAS:129-00-0
  • Min. Order: 1KG
  • Purity: 98%
  • Supply Ability: 1
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