Product specifications for CAS 103117 (2-ethylhexyl acrylate, 2EHA) define its critical quality and performance parameters, ensuring consistency and suitability for intended applications. Key specifications include purity, typically ≥99% as measured by gas chromatography, ensuring minimal impurities that could disrupt polymerization. Moisture content is specified at ≤0.1% (Karl Fischer titration) to prevent emulsion instability in adhesives and coatings. Acidity, expressed as acrylic acid, is limited to ≤0.05% to avoid corrosion and polymerization interference. Inhibitor content—usually hydroquinone monomethyl ether (MEHQ)—is specified (e.g., 100-200 ppm) to prevent premature polymerization during storage. Physical properties include a color index (APHA ≤30, indicating clear/pale yellow liquid), density (0.885-0.895 g/cm³ at 25°C), and refractive index (1.435-1.440 at 25°C). Flash point, a safety parameter, is specified (typically 60-70°C) to classify it as a flammable liquid. E Plus Chemical Co., Ltd.’s 2EHA meets these specifications, with certificates of analysis validating each batch. These specifications ensure CAS 103117 2EHA performs consistently in adhesives (tack, flexibility), coatings (weather resistance), and resins (impact strength), guiding customers in formulation and quality control.
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