Tralopyril(Econea)
Used in non-metal Marine Antifoulingpaint
It is a metal-free antifouling agent for use in antifouling paints for ship hulls or other marine structures. this product has a broad spectrum of activity against hard-shelled and soft-bodied invertebrate animal fouling organisms. Because of its chemical and physical stability in coatings, the low water solubility and leachability, this product containing antifouling paints can often be specified for multi-year dry-docking intervals comparable to those achieved with copper-based products.
General Information
Common Name (ISO)Tralopyril(Econea)IUPAC Name4-bromo-2-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile
CAS Name:1H-Pyrrole-3-carbonitrile, 4-bromo-2-(4-chlorophenyl)-5-(trifluoromethyl)CAS Registry No.Molecular FormulaC12H5BrClF3N2Molecular Weight349.5 Structural Formula
Chemical And Physical Properties
These properties are typical but do not constitute specifications:
AppearanceWhite to off-white powder
Purity (Chromatography)Minimum 98.0% w/w
Water Content (Karl-Fisher Titration)Maximum 0.5% w/w
Particle Size Distribution (Laser Diffraction)
D50: 4.0-10.0 µm; D99: maximum 25.0 µm
Oil Absorption Value (ISO 787-5)28 ml per 100 g
Density1.714 g/ml at 20°C
Vapour Pressure1.9 x 10-8Pa at 20°C; 4.6 x 10-8Pa at 25°C
Dissociation ConstantpKa= 7.08 at 26°C
pH5.16 at 22°C (0.1% w/v dispersion in distilled water)
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