Oakwood Products Inc

Pentane-2,4-dione (CAS 123-54-6), l,l,l-trifluoropentane-2,4-dione (CAS 367-57-7), 2,2,6,6-tetramethylheptane-3,5-dione (CAS 1118-71-4), and 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyloctane-3,5-dione (CAS 17587-22-3) containing 0.1% 2.6-di-r rr-butylphenol were purchased from Aldrich Chemical Co. with purities of 99.8, 99+, 97.8, 98+, and 98%, respectively. They were used without further purification. 2,2,7-trimethyloctane-3,5-dione (CAS 69725-37-7) was purchased from Oakwood Products, Inc. with a purity of 96.5% and it was used without further purification, as well. Coleman instrument grade CO2 was purchased from Mittler Supply, Inc. with a purity of 99.99% and it was used as received. 

PET membranes (Poretics, polyester, pore size 0.2 pm, membrane thickness 10 pm) were purchased from Osmonics, Inc. Diethylether (99%), 2,2 -azobisisobutyronitrile (AIBN), copper (1) bromide (CuBr) (98%), acetone (min. 99.5%), methanol (99%), ethanol (99%), methyl ethyl ketone (MEK) (99%) and polyethylenimine (hygroscopic) were purchased fiom VWR International and used as received. 4,4-Dinonyl-2,2-dipyridine (DNBP) (97%) and ethyl-2-bromoisobutyrate (98%) were purchased from Sigma-Aldrich. Tetrahydrofiiran (THF) was supplied by the Eh Co. Poly(acrylic acid) (PAA) (25% aqueous solution) and 2,3,4,5,6-pentafluorostyrene (PFS) were obtained from Polyscience Inc. and Oakwood Products Inc., respectively. Glycidyl methacrylate (min 95%) was purchased from TCI, America. 

Some of the companies selling boronic acids include Boron Molecular, Synthonix, Oakwood Products Inc., Combi-Blocks, Optima Chemical, and so on. 

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