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1,4-Butanediol, also called Butane-1,4-diol (other names include 1,4-B, BD, BDO and 1,4-BD), is a primary alcohol and an organic compound with the formula HOCH 2 CH 2 CH 2 CH 2 OH. It is a colorless viscous liquid first synthesized in 1890 via acidic hydrolysis of N,N'-dinitro-1,4-butanediamine by Dutch chemist Pieter Johannes Dekkers, who called it "tetramethylene glycol".
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Signed into law by President Ronald Reagan on 27 October 1986. The Federal Analogue Act, 21 U.S.C. § 813, is a section of the United States Controlled Substances Act passed in 1986 which allows any chemical "substantially similar" to a controlled substance listed in Schedule I or II to be treated as if it were listed in Schedule I, but only if ...
1,3-Butanediol is an organic compound with the formula CH 3 CH (OH)CH 2 CH 2 OH. With two alcohol functional groups, the molecule is classified as a diol. The compound is also chiral, but most studies do not distinguish the enantiomers. The compound is a colorless, bittersweet, water-soluble liquid. It is one of four common structural isomers ...
In 2011, US e-waste recycling added an estimated $20.6 billion to the US economy and created roughly 45,000 jobs. Still, e-waste, that contain toxic materials like lead and cadmium, can pose risks for US e-waste workers when processed manually. For instance, when processing cathode ray tubes (CRTs), which are found in television and computer ...
The Solid Waste Disposal Act ( SWDA) is an act passed by the United States Congress in 1965. [1] The United States Environmental Protection Agency described the Act as "the first federal effort to improve waste disposal technology". [2] After the Second Industrial Revolution, expanding industrial and commercial activity across the nation ...
Novo Nordisk's Wegovy was approved for adults in 2021 and for adolescents in late 2022, offering a highly effective way to lose weight for the first time. Novo still cannot meet demand for the ...
Isobutylene glycol may be considered a kind of butylene glycol, similarly to butane historically including n -butane and i -butane (isobutane). The modern name for the closely related type of compounds is methylpropanediol. There are two stable structural isomers: 2-methylpropane-1,2-diol. 2-methylpropane-1,3-diol. and one unstable geminal diol: