| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 2.63 | USD | 20210122 |
| chempricehub | National standard | Kg | 2.75 | USD | 20210122 |
| chempricehub | National standard | Kg | 7.08 | USD | 20210122 |
| chempricehub | National standard | Kg | 3.12 | USD | 20210122 |
| chempricehub | National standard | Kg | 2.71 | USD | 20210122 |
| chempricehub | National standard | Kg | 18.18 | USD | 20210121 |
| chempricehub | National standard | Kg | 14.59 | USD | 20210121 |
| chempricehub | National standard | Kg | 16.59 | USD | 20210121 |
| chempricehub | National standard | Kg | 18.36 | USD | 20210121 |
| chempricehub | National standard | Kg | 26.95 | USD | 20210121 |