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4-Fluorobromobenzene is synthesized via bromination of fluorobenzene in the presence of a Lewis acid catalyst such as iron(III) bromide or aluminium tribromide. [2]4-Bromofluorobenzene is regarded by the Toxic Substances Control Act as a high production volume chemical, that is, a chemical that 1 million pounds (about 500 tonnes) per year is either produced in or imported to the United States.
Pentafluoropropane is produced by Honeywell and in Asia by Sinochem. [8] Honeywell markets HFC-245fa under the Enovate and Genetron 245fa brand names. AlliedSignal, who adopted the Honeywell name after acquiring it, decided in 1999 to provide a non ozone depleting blowing agent as an alternative for dichlorofluoroethane (HCFC-141b) and trichlorofluoromethane (CFC-11).
12440–00–5 P 4 O 10: phosphorus decaoxide: 16752–60–6 P 4 S 3: phosphorus trisulfide: 1314–51–8 P 4 S 4: phosphorus tetrasulfide: 39350–99–7 P 4 S 6: phosphorus hexasulfide: 131105–01–6 P 4 S 7: phosphorus heptasulfide: 15578–16–2 P 4 S 9: phosphorus nonasulfide: 25070–46–6 P 4 S 10: phosphorus pentasulfide: 1314 ...
The check digit is found by taking the last digit times 1, the preceding digit times 2, the preceding digit times 3 etc., adding all these up and computing the sum modulo 10. For example, the CAS number of water is 7732-18-5: the checksum 5 is calculated as (8×1 + 1×2 + 2×3 + 3×4 + 7×5 + 7×6) = 105; 105 mod 10 = 5.
Green Bay Packers wide receiver Christian Watson had 23 yards in the first half of "Monday Night Football" — all via rushing — against the New Orleans Saints.The Packers went on to win 34-0 ...
There's something going on at the Costco bakery and it's far from sweet. On social media, dozens of people are coming forward to share frightening stories of bad bakery behavior from fellow customers.
Chicago’s high temperature will be stuck in the low 20s by Friday, which is about 10 degrees colder than normal for early January. High temperatures could hover near the freezing mark in Kansas ...
Bis-trifluoromethyl carbonate boils between −10 and +10° [37] possibly +12, freezing −60° [143] Difluoroaminosulfinyl fluoride F 2 NS(O)F is a gas but decomposes over several hours [ 144 ] Trifluoromethylsulfinyl chloride CF 3 S(O)Cl [ 71 ]