Oxalic acid,98%

Ethyl cellulose,viscosity 4 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

Ethyl cellulose,viscosity 300 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

Ethyl cellulose,viscosity 10 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

Ethyl cellulose,viscosity 22 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

Phosphorus(V) oxychloride,ReagentPlus, 99%

Cobalt(II) chloride hexahydrate,reagent grade

Poly(propylene glycol),average Mn ~2,000

Poly(ethylene glycol),average Mn 400

Dibutyltin dichloride,96%

Tin(II) chloride dihydrate,reagent grade, 98%

Tin(IV) chloride,98%