Technical naphthalene
Naphthalene, also known as naphthalene, is a colorless and glossy plate-like crystal. Insoluble in water, easily sublimates, can evaporate with water vapor, and has a special odor. It is the most important polycyclic aromatic hydrocarbon in industry, which can be used as an intermediate in the production of phthalic anhydride, dyes, rubber additives, and insecticides. According to different purities, naphthalene can be divided into industrial naphthalene and refined naphthalene. The purity of industrial naphthalene is generally about 96%. After further purification and desulfurization of industrial naphthalene, high-purity refined naphthalene can be obtained.
English Name | Technical naphthalene | Boiling Point | 217.9℃ |
Chinese Name | 工业萘 | Water Solubility | Insoluble |
Chemical Formula | C10H8 | Density | 1.16g/cm³ |
Molecular Weight | 128.174 | Appearance | White crystalline powder |
CAS Registry Number | 91-20-3 | Flash Point | 78.9℃ |
EINECS Registry Number | 202-049-5 | Security Description | S7;S16;S36/37;S45;S46;S60;S61;S62 |
Melting Point | 80℃ to 82℃ | Danger Symbol | Xn;N |
Hazard Description | R22;R40;R50/53 |
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