| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.73 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.47 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.12 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.13 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.74 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.47 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.12 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.1 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.13 | USD | 20200501 |
| chempricehub | National standard | Kg | 0.1 | USD | 20200501 |