L-Valine
L-Valine 72-18-4 is white crystals or crystalline powder , with ethanol aqueous solution heavy clean person for colorless tabular or scaly crystallization. Odorless, have special bitterness. Melting point of about 315 °C.
Functions&Applications: L-valine is one of the eight essential amino acids for human body, which could be used in the preparation of compound amino acid infusions, synthesis polypeptide drugs and food antioxidant etc. It is widely used in blood-brain barrier, hepatic coma, chronic liver cirrhosis, and renal failure treatment, inborn errors of metabolism of dietary treatment, sepsis, and postoperative treatment of patients with diabetes, as well as in medicine speeding up the healing of surgical wounds and in nutritional supportive care of patients with cancer. In addition, it is also used in preparation of infusions high in branched-chain amino acids(such as 3H infusion,etc.) and oral liquid(such as liver-an dry syrup, etc.). Applications in food nutrition fortifier, food flavor enhancer and agricultural insecticide are popular too.
Product Specification Of L-Valine 98.5%
Items |
Standards |
Appearance |
White crystals or crystalline |
Identification |
IR:Concordant with the |
Assay(%) |
98.5 – 101.5 |
pH |
5.5 – 7.0 |
Specific rotation(°) |
+26.6 – +28.8 |
Residue on ignition(%) |
0.10 Max |
Loss on drying(%) |
0.30 Max |
Cl(%) |
0.05 Max |
Fe(ppm) |
30 Max |
SO4(%) |
0.03 Max |
As(ppm) |
1.5 Max |
Heavy metals(ppm) |
15 Max |
Organic volatile |
Meets the requirements |
Storage: in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.
Shelf Life: 48 months
Package:in 25kg/bag
delivery:prompt
1. What’s your payment terms?
T/T or L/C.
2. What’s your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.