| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 2.08 | USD | 20201021 |
| chempricehub | National standard | Kg | 2.82 | USD | 20201020 |
| chempricehub | National standard | Kg | 0.42 | USD | 20201020 |
| chempricehub | National standard | Kg | 3.44 | USD | 20201020 |
| chempricehub | National standard | Kg | 0.37 | USD | 20201020 |
| chempricehub | National standard | Kg | 0.31 | USD | 20201020 |
| chempricehub | National standard | Kg | 2.03 | USD | 20201019 |
| chempricehub | National standard | Kg | 2.48 | USD | 20201019 |
| chempricehub | National standard | Kg | 3.3 | USD | 20201018 |
| chempricehub | National standard | Kg | 2.42 | USD | 20201018 |