2-Phenylindole Chemical Properties
Melting point 188-190 °C(lit.)
Boiling point 250 °C10 mm Hg(lit.)
Fp 250°C/10mm
This product is slightly yellowish white powder. From ethanol and petroleum ether to get flaky crystals, melting point 188oC-190oC. The boiling point of 360oC. Soluble acetone, ether, chloroform, benzene, toluene, xylene, acetic acid, micro-soluble methanol, do not dissolve in water.
This product in the world is recognized as non-toxic non-toxic PVC heat stabilizer instead of heavy metal stabilizer, which with the use of organic tin to produce a certain degree of synergy, with special effects. As the toxicity of this product is very small, the rat track LD50, 10g / kg body weight, carcinogenic, the United States (FDA) and Western European countries to allow the manufacture of food packaging materials, the general dosage of 1% -3%.
Usage ：
This product is used for PVC food packaging twist conjunctiva, can also be used for other hard or soft plastic products, it is also an important intermediate cationic dyes.
