| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.06 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.05 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.08 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.09 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.59 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.56 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.58 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.37 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.94 | USD | 20210315 |
| chempricehub | National standard | Kg | 0.92 | USD | 20210315 |