| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.38 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.02 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.12 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.11 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.14 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.02 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.02 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.02 | USD | 20210219 |
| chempricehub | National standard | Kg | 0.02 | USD | 20210218 |
| chempricehub | National standard | Kg | 0.13 | USD | 20210218 |