Table 3.
Some main details about diols
| Diols | Boiling point | Applications | Price $/ton | Cost* $/ton |
|---|---|---|---|---|
| 1,3-propanediol | 210-211°C | a building block of polymers; antifreeze in wood paint. | 1500-1600 | 774 |
| 1,2-propanediol | 188.2°C | unsaturated polyester resins; used in the oil dispersant; environmentally friendly automotive antifreeze; | 900-1400 | 774 |
| 2,3-butanediol | 183-184°C | ingredients of methylethylketone; a precursor of chiral carriers of drug; a flavouring agent | 1000-5000 | 1300 |
| 1,4-butanediol | 228°C | elastic fibers and polyurethanes; a recreational drug; the synthesis of γ-butyrolacton | 2200-2500 | - |
| 1,3-butanediol | 207.5°C | a humectant and softener; a material for liquid crystals | 4000-5000 | - |
*Cost represents the estimated price which is calculated according to the direct cost of the substrate (glucose).