Sodium hydroxide (NaOH), sodium chlorite (NaCl[O.sub.2]), acetic acid, silver nitrate (AgN[O.sub.3]), methanol, and pyridine were purchased from Merck whereas 1-methylimidazole, allyl chloride
, dimethyl sulfoxide (DMSO), phenylisocyanate, tetrahydrofuran (THF), and Amberlyst 15 DRY were purchased from Sigma-Aldrich.
Dimethylamine ([greater than or equal to]99.8%), allyldimethylamine (>99.0%), allyl chloride
(>99.8%), allyl alcohol (>99.5%), and allyl aldehyde (>99.0%) were purchased from Sigma-Aldrich (USA).
Qi, CCl bond fission, HCl elimination, and secondary radical decomposition in the 193 nm photodissociation of allyl chloride
described a fluorescent-tagged water-soluble copolymer [4-methoxy-N-(2-NO,NO-dimethyl aminoethyl) naphthalimide allyl chloride
quaternary ammonium salt] (FM)--AM (21).
Effective April 1 or as contracts allow, Dow is increasing the prices of allyl chloride
and epichlorohydrin as follows: North America--$0.05/lb; Europe--EUR 85/MT; Latin Americas--100/MT; Asia Pacific--$100/MT.
Noel Boulos has been named North American business manager, organic products, responsible for the development of imported allylic product lines including epichlorohydrin, allyl chloride
, 1,3-dichloropropene and polyglycerols.
Dow will increase the price of allyl chloride
Summary: Allyl dimethyl dehydroabietyl ammonium chloride (ADMDHAC) was synthesized from dehydroabietylamine (DHA) and allyl chloride
. The synthesis was carried out in two steps.
NMR spectrum revealed the presence of the starting diamine 1, the monoformate 2, and diformate 3 in an approximate ratio of 1:2:1, respectively (Scheme Allyl chloride
(0.25 mol) was added dropwise (~20 min) to the reaction mixture in methanol (100 [cm.sup.3]), keeping the temperature around 50[degrees]C.
The Epoxy Products and Intermediates business of The Dow Chemical Company (Midland, Mich.) is increasing the North American off-list price for allyl chloride
Prices for allyl chloride
and epichlorohydrin are increased by, $0.05/lb (effective January 2000).
(0.11 mole) was added dropwise to a stirred solution of PAl (2 mole) in dimenyl sulphoxide (DMSO) under nitrogen atmosphere at ambient temperature.