| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.15 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.19 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190201 |
| chempricehub | National standard | Kg | 9.82 | USD | 20190201 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190123 |
| chempricehub | National standard | Kg | 0.15 | USD | 20190123 |