| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.58 | USD | 20170716 |
| chempricehub | National standard | Kg | 3.38 | USD | 20170715 |
| chempricehub | National standard | Kg | 3.99 | USD | 20170715 |
| chempricehub | National standard | Kg | 1.55 | USD | 20170715 |
| chempricehub | National standard | Kg | 0.5 | USD | 20170715 |
| chempricehub | National standard | Kg | 4.49 | USD | 20170714 |
| chempricehub | National standard | Kg | 1.55 | USD | 20170714 |
| chempricehub | National standard | Kg | 2.91 | USD | 20170714 |
| chempricehub | National standard | Kg | 0.45 | USD | 20170714 |
| chempricehub | National standard | Kg | 4.49 | USD | 20170713 |