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Styrene is an organic compound with the chemical formula C 6 H 5 CH=CH 2. Its structure consists of a vinyl group as substituent on benzene. Styrene is a colorless, oily liquid, although aged samples can appear yellowish. The compound evaporates easily and has a sweet smell, although high concentrations have a less pleasant odor.
The styrene monomer (from which polystyrene is made) is a cancer suspect agent. [109] Styrene is "generally found in such low levels in consumer products that risks aren't substantial". [110] Polystyrene which is used for food contact may not contain more than 1% (0.5% for fatty foods) of styrene by weight. [111]
surfactant used as a detergent and emulsifier propane: propane CH 3 CH 2 CH 3: propellant (pressurized dispenser) paraben: preservative peg-20: a variety of Polyethylene glycol: often used as an ointment base polymethyl methacrylate (PMMA) [7] (C 5 O 2 H 8) n: palmitic acid: CH 3 (CH 2) 14 COOH paraffinum liquidum: petrolatum: C 15 H 15 N ...
California Gov. Gavin Newsom has banned 26 potentially toxic chemicals found in many cosmetic products, adding to a 2020 law.
Here's what the Drug & Poison Information Center at Cincinnati Children’s Hospital advises regarding returning home following the styrene leak.
Product trade names include Novodur®, Terluran®, and Lustran (ABS); Terlux® (MABS); and Luran® (acrylonitrile styrene acrylate). [3] Styrene-butadiene block copolymer (SBC) is a thermoplastic resin that is transparent and impact-resistant. It is used to provide a high optical appearance and is mostly found in food and display packaging.
Castor oil and its derivatives are found in many cosmetics as it is "non-comedogenic" (does not exacerbate or contribute to acne). [3]Cerebrosides (cells from the nervous systems of cattle or swine) were once used in some high-end skin-care products to increase moisture retention and to create a smooth skin surface, [4] however the BSE controversy has put an end to this practice.
Styrene maleic anhydride (SMA or SMAnh) is a synthetic polymer that is built-up of styrene and maleic anhydride monomers. In one copolymer , the monomers can be almost perfectly alternating. [ 1 ] but (random) copolymerisation with less than 50% maleic anhydride content is also possible. [ 2 ]