| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 1.12 | USD | 20170616 |
| chempricehub | National standard | Kg | 0.18 | USD | 20170616 |
| chempricehub | National standard | Kg | 0.18 | USD | 20170615 |
| chempricehub | National standard | Kg | 1.2 | USD | 20170615 |
| chempricehub | National standard | Kg | 1.25 | USD | 20170614 |
| chempricehub | National standard | Kg | 1.22 | USD | 20170614 |
| chempricehub | National standard | Kg | 8.1 | USD | 20170614 |
| chempricehub | National standard | Kg | 1.22 | USD | 20170614 |
| chempricehub | National standard | Kg | 0.16 | USD | 20170614 |
| chempricehub | National standard | Kg | 0.21 | USD | 20170614 |