| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.25 | USD | 20210118 |
| chempricehub | National standard | Kg | 0.25 | USD | 20210117 |
| chempricehub | National standard | Kg | 0.25 | USD | 20210117 |
| chempricehub | National standard | Kg | 0.22 | USD | 20210117 |
| chempricehub | National standard | Kg | 1.43 | USD | 20210116 |
| chempricehub | National standard | Kg | 1.8 | USD | 20210116 |
| chempricehub | National standard | Kg | 0.35 | USD | 20210116 |
| chempricehub | National standard | Kg | 0.69 | USD | 20210116 |
| chempricehub | National standard | Kg | 0.22 | USD | 20210115 |
| chempricehub | National standard | Kg | 172.6 | USD | 20210113 |