| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.17 | USD | 20201219 |
| chempricehub | National standard | Kg | 0.24 | USD | 20201219 |
| chempricehub | National standard | Kg | 0.23 | USD | 20201218 |
| chempricehub | National standard | Kg | 1.52 | USD | 20201218 |
| chempricehub | National standard | Kg | 0.3 | USD | 20201218 |
| chempricehub | National standard | Kg | 0.24 | USD | 20201218 |
| chempricehub | National standard | Kg | 1.51 | USD | 20201217 |
| chempricehub | National standard | Kg | 1.42 | USD | 20201217 |
| chempricehub | National standard | Kg | 0.28 | USD | 20201217 |
| chempricehub | National standard | Kg | 1.42 | USD | 20201217 |