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Chemical Identification
Common Name
Naphthalene
中文通用名
IUPAC
naphthalene
CAS
naphthalene
CAS No.
91-20-3
Molecular Formula
C10H8
Molecular Structure
Category
Activity
Fumigant
Premix
Premix Parters: cytokinins indole-3-butyric acid; 2,4-D; 2,4-D gibberellic acid; 1-naphthaleneacetamide; 2-naphthoxyacetic acid;
Physical Properties
White 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).
Toxicology
Low toxicity to warm-blooded animals
Environmental Profile
WATER SOLUBILITY: Insoluble
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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