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Nicotinic acid belongs to vitamin B group, also known as nicotinic acid, vitamin B3. Its molecular formula is C6H5NO2 and its chemical name is pyridine-3-formic acid. It has good thermal stability and can be sublimated. Sublimation method is often used to purify nicotinic acid in industry. Nicotinic acid is white crystal or white crystalline powder, soluble in water, mainly exists in animal viscera and muscle tissues, and there are also trace amounts in fruits and egg yolks. It is one of the 13 essential vitamins for human body. At present, niacin is mainly used as feed additive, which can improve the utilization rate of feed protein, improve the milk yield of dairy cows and the yield and quality of poultry and livestock meat such as fish, chicken, duck, cattle and sheep.
| Item | Specification | Results |
|---|---|---|
| Characteristic | A white,crystalline powder | Complies |
| Solubility | Complies | Complies |
| Identification | Complies | Complies |
| Melting range | 234~240 | 235~236 |
| Related Substances | Complies | Complies |
| Chloride | Not more than 0.02% | Complies |
| Heavy metals | Not more than 0.002% | Complies |
| Loss on drying | Not more than 1% | 0.1% |
| Sulphated Ash | Not more than 0.1% | Complies |
| Assay | 99.5%~100.5% | 99.7% |
| Weight | Packing method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery method | Delivery time | Destination |
|---|---|---|---|
| 1kg-25kgs | EMS, DHL, UPS, Fedex | 3-7 days | Door to door |
| 25kgs-100kgs | DHL, FedEx, by Air | 3-7 days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7 days | Door to Airport |
| by Sea | 10-35 days | Door to port |
