| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 0.43 | USD | 20170414 |
| chempricehub | National standard | Kg | 0.31 | USD | 20170414 |
| chempricehub | National standard | Kg | 2.48 | USD | 20170413 |
| chempricehub | National standard | Kg | 2.04 | USD | 20170413 |
| chempricehub | National standard | Kg | 3.04 | USD | 20170413 |
| chempricehub | National standard | Kg | 0.58 | USD | 20170413 |
| chempricehub | National standard | Kg | 0.31 | USD | 20170413 |
| chempricehub | National standard | Kg | 2.18 | USD | 20170412 |
| chempricehub | National standard | Kg | 2.25 | USD | 20170412 |
| chempricehub | National standard | Kg | 2.11 | USD | 20170412 |