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Common NameNaphthalene
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中文通用名萘
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IUPACnaphthalene
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CASnaphthalene
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CAS No.91-20-3
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Molecular FormulaC10H8
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Molecular Structure
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Category
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ActivityFumigant
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PremixPremix Parters: cytokinins indole-3-butyric acid; 2,4-D; 2,4-D gibberellic acid; 1-naphthaleneacetamide; 2-naphthoxyacetic acid;
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Physical PropertiesWhite monoclinic plates, scales, powder, balls, or cakes. Molecular weight:128.2g/mol; Melting point: 80.2℃;Boiling point:217.9℃. It has low solubility in water (31.7 mg/L at 25℃), but is more soluble in organic solvents (e.g., alcohol, benzene, ether, and acetone). Naphthalene is sensitive to heat and volatilizes at room temperature, with a vapor pressure of about 0.09 mm Hg. The vapor is heavier than air, with a density of 4.42. Naphthalene sublimes at temperatures above its melting point (ATSDR 2003, HSDB 2003).
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ToxicologyLow toxicity to warm-blooded animals
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Environmental ProfileWATER SOLUBILITY: Insoluble
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Transport InformationSignal Word:CAUTION; Hazard Class:III(Slightly hazardous)
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