Hebei ShengYang Biological Technology Co. Ltd(expird)
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CAS NO.72-18-4
Food Grade Medicine Grade L-Valine 72-18-4
1.Discription:
L-Valine 72-18-4 is white crystals crystalline powder , with ethanol aqueous solution heavy clean person fcolorless tabular scaly crystallization. Odorless, have special bitterness. Melting point of about 315 °C.
Functions&Applications: L-valine is one of the eight essential amino acids fhuman body, which could be used in the preparation of compound amino acid infusions, synthesis polypeptide drugs food antioxidant etc. It is widely used in blood-brain barrier, hepatic coma,onic liver cirrhosis, renal failure treatment, inborn errors of metabolism of dietary treatment, sepsis, postoperative treatment of patients with diabetes, as well as in medicine speeding up the healing of surgical wounds 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.)al liquid(such as liver-an dry syrup, etc.). Applications in food nutrition fortifier, food flavenhancer agricultural insecticide are popular too.
| Item | Specification |
| Appearance: | L-Valine 72-18-4 is white crystals crystalline powder, odorless crystalline powder having a bitter taste |
| Assay(on dried basis): | 98.5 - 101.5% |
| Loss on drying: | 0.30% max |
| Residue on ignition: | 0.10% max |
| Chloride: | 0.050% max |
| Sulfate: | 0.030% max |
| Arsenic: | 1.5 ppm max |
| Heavy metals: | 0.0015% max |
| Iron: | 0.0030% max |
| Organic volatile impurities: | Meets the requirement |
| PH: | 5.5 - 7.0 |
| Specific rotation: | +26.6 º --- +28.4 º (20 ºC) |
Q1: Can i get some samples
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, , Paypal or Escrow.
Q3: How to confirm the Product Quality before placing orders
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4:What's your MOQ
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5: How about delivery lead time
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6:Is it OK to print my logo on package
A:Sure.Please inform and offer your Logo formally before production.