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Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate is significantly less volatile than simpler phenolic antioxidants such as butylhydroxytoluene (BHT). This makes it more suitable to stabilising plastics, as it is not driven out by the high temperatures experienced during plastic extrusion and moulding, [2] when they are heated to 150-320 °C (300–600 °F). [3]
Polydiallyldimethylammonium chloride (shortened polyDADMAC or polyDDA), also commonly polyquaternium-6, is a homopolymer of diallyldimethylammonium chloride (DADMAC). The molecular weight of polyDADMAC is typically in the range of hundreds of thousands of grams per mole, and even up to a million for some products.
CAS number NBr 3: nitrogen tribromide: 15162–90–0 NCl 3: nitrogen trichloride: 10025–85–1 NF 3: nitrogen trifluoride: 7783–54–2 NH 3: ammonia: 7664–41–7 NH 4 Cl: ammonium chloride: 12125–02–9 NH 4 HCO 3: ammonium bicarbonate: 1066–33–7 NH 4 NO 3: ammonium nitrate: 6484–52–2 NH 4 OH: ammonium hydroxide: 1336–21–6 ...
Trimethylsilane is the organosilicon compound with the formula (CH 3) 3 SiH. It is a trialkylsilane. The Si-H bond is reactive. Being a gas, it is less commonly used as a reagent than the related triethylsilane, which is a liquid at room temperature.
Decamethylcyclopentasiloxane, also known as D 5 and D5, is an organosilicon compound with the formula [(CH 3) 2 SiO] 5. It is a colorless and odorless liquid that is slightly volatile . [ 5 ]
The mechanism begins by generation of Si(CH 3) 3 X and a highly reactive [CF 3] − (trifluoromethide) intermediate. The [CF 3 ] − attacks the carbonyl to generate an alkoxide anion. The alkoxide is silylated by the reagent to give the overall addition product, plus [CF 3 ] − , thus propagating an anionic chain reaction.
n-Butyl glycidyl ether is metabolized renally to butoxyacetic acid, 3-butoxy-2-hydroxypropionic acid and 3-butoxy-2-acetylaminopropionic acid. [ 5 ] [ 6 ] Safety
Poloxamer 407 is a hydrophilic non-ionic surfactant of the more general class of copolymers known as poloxamers.Poloxamer 407 is a triblock copolymer consisting of a central hydrophobic block of polypropylene glycol flanked by two hydrophilic blocks of polyethylene glycol (PEG).