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An alternative synthesis starts with the ethyl ester of 4-hydroxybenzoic acid, which chlorinates at the positions flanking the phenolic center. Ester hydrolysis followed by decarboxylation affords 2,6-dichlorophenol.
128–03–0 KC 4 H 5 O 6: potassium bitartrate: 868–14–4 KC 7 H 5 O 2: potassium benzoate: 582–25–2 KCl: potassium chloride: 7447–40–7 KClO 3: potassium chlorate: 3811–04–9 KClO 4: potassium perchlorate: 7778–74–7 K 2 CuCl 4: potassium tetrachlorocuprate: 13877–24–2 KF: potassium fluoride: 7789–23–3 KH: potassium ...
3,4-Epoxycyclohexylmethyl-3',4'-epoxycyclohexane carboxylate (ECC) is a cycloaliphatic epoxy resin which is used in many industrial applications. It reacts by cationic polymerization using thermolatent photoinitiators to form crosslinked insoluble thermosets .
Until the late 1970s, TDCPP was used as a flame retardant in children’s pajamas in compliance with the U.S. Flammable Fabrics Act of 1953. This use was discontinued after children wearing fabrics treated with a very similar compound, tris(2,3-dibromopropyl) phosphate, were found to have mutagenic byproducts in their urine.
1-Chloro-3,3,3-trifluoropropene (HFO-1233zd) is the unsaturated chlorofluorocarbon with the formula HClC=C(H)CF 3.The compound exists as E- (cis-) and Z- (trans-) isomers.The trans-isomer of this colorless gas is of interest as a more environmentally friendly (lower GWP; global warming potential) refrigerant in air conditioners. [1]
The half-life of this substance in terms of volatilization in the river, lagoon and lake is 2.1 h, 25 h and 18 days, respectively. [ 20 ] [ 21 ] The amount of methyl chloride in the stratosphere is estimated to be 2 × 10 6 tonnes per year, representing 20–25% of the total amount of chlorine that is emitted to the stratosphere annually.
N-Isopropyl-N′-phenyl-1,4-phenylenediamine (often abbreviated IPPD) is an organic compound commonly used as an antiozonant in rubbers. [1] Like other p-phenylenediamine -based antiozonants it works by virtue of its low ionization energy , which allows it to react with ozone faster than ozone will react with rubber. [ 2 ]
The molar solubility of chlorine in HCBD at 0 °C is around 34% (2.17 mol/L). The solubility of another chlorine solvent, carbon tetrachloride, at 0 °C is about 30% (3.11 mol/L). One mole of C 4 Cl 6 can dissolve more chlorine than one mole of CCl 4 , but the molecular weight difference between the two solvents is such that per liter of ...