Supply Of Various Fine Chemicals 1 Silver tetrafluoroborate, 98%, Titration by KSCN % Ag 54.0 - 56.8 % 2 Latex beads, polystyrene, 0.1 μm mean particle size 3 Graphene oxide powder, 15-20 sheets, 4-10% edge-oxidized, Carbon (anhydrous) > 50.0 % 4 Eosin Y, Dye content 99 % 5. Corning® syringe filters, 0.45 μm, PTFE membrane polypropylene housing 6. Graphite flake, natural, -325 mesh, 99.8% (metals basis 7. 1-Aminopyrene, 97%, Purity (HPLC) ≥96.5 %, Nitrogen 6.23 - 6.67 % 8. 5,10,15,20-Tetraphenyl-21H,23H-porphine zinc, Purity (HPLC) ≥97.5 %, Nitrogen 7.4 - 8.7 % 9. 2-Furyl methyl ketone, PURITY (GC AREA %) ≥ 98.5 % 10 2-Propanol-d8,99.5 atom % D, Water (by Karl Fischer) < 1000 ppm 11 PYRIDINIUM TRIBROMIDE, TECH., 90% Titration by Na2S2O3 89.0 - 111.0 % 12 BENZAMIDINE HYDROCHLORIDE, 99% Titration by AgNO3, 98.5 - 101.5 % 13 3-METHYL-2-BUTEN-1-OL, 99%, PURITY (GC AREA %) ≥ 98.5 % 14 1-ETHYNYL-4-PENTYLBENZENE, 97%, PURITY (GC AREA %)≥ 96.5 % 15 1-ETHYNYL-4-FLUOROBENZENE, 99%, PURITY (GC AREA %) ≥ 98.5 %, solid 16 (S)-(+)-2-Amino-3-methyl-1-butanol, TITRATION (NT) HCLO4 0.1M95.5 - 104.5 %, concentration C=10%, water, enantiomeric excess ≥ 94.0
