- Source: Butyl acrylate
Butyl acrylate is an organic compound with the formula C4H9O2CCH=CH2. A colorless liquid, it is the butyl ester of acrylic acid. It is used commercially on a large scale as a precursor to poly(butyl acrylate). Especially as copolymers, such materials are used in paints, sealants, coatings, adhesives, fuel, textiles, plastics, and caulk.
Production and properties
Butyl acrylate can be produced by the acid-catalyzed esterification of acrylic acid with butanol. It polymerizes easily, therefore commercial preparations contain polymerization inhibitors such as hydroquinone, phenothiazine, or hydroquinone ethyl ether.
Safety
Butyl acrylate is of low acute toxicity with an LD50 (rat) of 3143 mg/kg.
In rodent models, butyl acrylate is metabolized by carboxylesterase or reactions with glutathione; this detoxification produces acrylic acid, butanol, and mercapturic acid waste, which are excreted.
Exposure can occur through inhalation, skin and/or eye contact absorption, and ingestion. Symptoms may be dependent on exposure route, with skin and eye contact manifesting in redness, pain, and sensitivity; inhalation resulting in burning sensations, cough, shortness of breath, and sore throat; and ingestion resulting in abdominal pain, nausea, vomiting, and diarrhoea.
References
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