L-Glutamic acid

                                   

	

		

			

			
L-Glutamic acid
			
		
		

			

			

				

					

						
Chemical Name：
						
L-Glutamic acid (S)-2-Aminopentanedioic acid
					
					

						

						
Structure Formula：
						
						

					
					

						

						
Molecular Formula：
						
						
C5H9NO4
					
					

						

						
Molecular Weight：
						
						

						
147.13
						
					
					

						

						
Cas No：
						
						
[56-86-0]
					
					

						

						
Characteristics：
						
						
White crystalline powder, fairly hygroscopic, dissolves readily in water.  
					
					

						

						
Quality Standards：
						
						
 AJI92 etc.  
					
					

						

						

							

								

									

									
Item
									
									

									
Specifications (AJI92 )
									
								
								

									

									
Appearance
									
									

									
White crystalline powder
									
								
								

									
Assay , %
									
99.0~100.5
								
								

									

									
Specific rotation
									
									

									
+31.5°~+32.5°
									
								
								

									

									
Loss on drying, %
									
									

									
≤0.1
									
								
								

									

									
Transmittance, % 
									
									

									
≥98.0
									
								
								

									

									
Chloride (as Cl), %
									
									

									
≤0.02
									
								
								

									

									
Sulfate (as SO4), %
									
									

									
≤0.02
									
								
								

									

									
Ammonium as (as NH4), %
									
									

									
≤0.02
									
								
								

									

									
Iron (as Fe), %
									
									

									
 ≤0.001
									
								
								

									

									
Heavy Metals (as Pb), %
									
									

									
 ≤0.001
									
								
								

									

									
Arsenic (as As), %
									
									

									
  ≤0.0001
									
								
								

									

									
pH Value
									
									

									
   3.0~3.5
									
								
								

									

									
Residue on ignition, %
									
									

									
≤0.1
									
								
								

									

									
Other amino acid
									
									

									
   No detd
									
								
							
						
						
					
					

						

						
The Characteristics and Uses：
						
						
     L-Glutamic acid  is one of the important products the amino acid series. It is widely used in medical, chemical and food industries. 　　

						　　A. Main Uses in medicine: It is used for one of materials of essential factor meals as dietary supplement on clinical use and used as one of components in the composition of amino acid infusion. And it can be used as a supplement brain preparation of mental disorder and low intallect children, also used to treat epilepsy hypertension and memory hinder etc.

						　　B. Main Uses in food field: It can be used as a salt substitute, a dietary supplement and a flavor enhancer and used as a preventive agent for forming magnesium ammonium phosphate crystal in marine product, tins of shrimps and crabs etc.
					
					

						

						
Package and Transport：
						
						
    With round paperboard drum 25kgs per drum.
						
      Handle with care. Protect the product from sunshine or rain. Do not transport them together with poisonous or harmful goods. This product belongs to the non-dangerous category and can be transported as a general chemical product.
						
					
					

						

						
Storage：
						
						
    Stored in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.