| Vendor | Spec | Unit | Price | Currency | Date |
| chempricehub | National standard | Kg | 1.34 | USD | 20170701 |
| chempricehub | National standard | Kg | 1.34 | USD | 20170701 |
| chempricehub | National standard | Kg | 0.54 | USD | 20170701 |
| chempricehub | National standard | Kg | 3.59 | USD | 20170701 |
| chempricehub | National standard | Kg | 9.16 | USD | 20170701 |
| chempricehub | National standard | Kg | 3.58 | USD | 20170701 |
| chempricehub | National standard | Kg | 1.54 | USD | 20170623 |
| chempricehub | National standard | Kg | 1.33 | USD | 20170621 |
| chempricehub | National standard | Kg | 8.82 | USD | 20170620 |
| chempricehub | National standard | Kg | 9.29 | USD | 20170619 |