L-Valine is the kind of amino acid which can Promote normal nervous system function,It can be used as a therapeutic drug of hepatic coma.It can be used as nutritional supplements and Co-formulate amino acid infusion.
Chemical & Physical Properties
【Appearance】: White crysal or crysaline powder, odorless, tastes slightly sweet and then bitter.
【Solubility】Soluble in water and almost insoluble in ethanol.
mp 295-300 °C (subl.)(lit.)
alpha 28 º (c=8, 6N HCl)
density 1.23
refractive index 28 ° (C=8, HCl)
storage temp. Store at RT.
solubility H2O: 25 mg/mL
form powder
Water Solubility 85 g/L (20 ºC)
Merck 14,9909
BRN 1721136
Quality standard:CP2005、EP5、BP2005、AJI97、USP32、FCC4 or based on requirement.
Main Items
|
Specifications
|
CP2005
|
AJI97
|
EP5
|
USP32
|
FCC4
|
Content
|
≥98.5%
|
98.5%~101.0%
|
98.5%~101.0%
|
98.5%~101.5%
|
98.5%~101.5%
|
Specific rotation
|
+26.5°~+29.0°
|
+27.6°~+28.7°
|
+26.5°~+29.2°
|
+26.6°~+28.8°
|
+26.7°~+29.0°
|
Acidity
|
5.5~6.5
|
5.5~6.5
|
-
|
5.5~7.0
|
-
|
The light transmittance of solution
|
≥98.0%
|
≥98.0%
|
-
|
-
|
-
|
Chlorine content
|
≤0.02%
|
≤0.020%
|
≤0.02%
|
≤0.05%
|
-
|
Sulfate (SO4)
|
≤0.02%
|
≤0.020%
|
≤0.03%
|
≤0.03%
|
-
|
Ammonium salt(NH4)
|
≤0.02%
|
≤0.02%
|
≤0.02%
|
-
|
-
|
Other amino acids
|
≤0.5%
|
≤0.5%
|
≤0.5%
|
-
|
-
|
Loss on drying
|
≤0.2%
|
≤0.20%
|
≤0.5%
|
≤0.2%
|
≤0.3%
|
Residue on ignition
|
≤0.1%
|
≤0.10%
|
≤0.1%
|
≤0.1%
|
≤0.1%
|
Iron (Fe)
|
≤0.001%
|
≤0.001%
|
≤0.001%
|
≤0.003%
|
-
|
Heavy metal
|
≤0.001%
|
≤0.001%
|
≤0.001%
|
≤0.0015%
|
≤0.001%
|
Arsenic (As2O3)
|
≤0.0001%
|
≤0.0001%
|
-
|
-
|
-
|
Bacterial endotoxin (pyrogen)
|
〈5EU/mg
|
Complies
|
-
|
-
|
-
|
Function:
1. Promote normal nervous system function
2. Deficiency of it can cause tactile sensitivity particularly increased and muscle Masonic movement disorders
3. It can be used as a therapeutic drug of hepatic coma
Application:
1. Nutritional supplements.
2. Co-formulate amino acid infusion, comprehensive amino acid preparations together with other essential amino acid.
【Package and storage】:
Sealed by edible polyethylene bags and packed with paper board drum, the net weight of every drum is 25 kg / drum,It can be packed based on requirement.
It should be loaded and unloaded carefully, should prevent the sun and rain, it can not be transported mixed with the toxic and hazardous substances; It’s nondangerous product, it should be sealed to store.