L. Glutamic Acid

FORMULA


:


C5H9NO4









MOL.WET.


:


147.13




CAS NO


:


56-86-0




USE


:


Amino acid/exptl antiepliteptic




DESCRIPTION


:


A White crystalline powder or colourless crystals.




CHEMICAL SPECIFICATION


:


TESTS


SPECIFICATION




 


:


Solubility


Freely soluble in water, slightly soluble in cold water,
practically insoluble in acetic acid, in acetone in alcohol and
in ether




 


:


Identification


Test A,B & +ve




 


:


Appearance of solution


5gms in 50ml of 1M HCL is clear and colourless.




 


:


Sp. optical rotation


Betwn. +30.5 to +32.5




 


:


ninhyfrin-positive Test



Any secondery spot obtained with test solution {a} is not more
intense than the spot obtained with reference solution {b} [0.5%]




 


:


Chloride


NMT 200 ppm




 


:


Sulphates


NMT 300 ppm




 


:


Ammonium


NMT 200 ppm




 


:


Iron


NMT 10 ppm




 


:


Heavy Metals



NMT 10 ppm




 


:


Loss on drying


NMT 0.5%





 


:


sulphate Ash



NMT 0.1%





 


:


Assay


NLT 98.5 % and NMT 100.2% of C5H9NO4
on dried basis




PACKGING


:


25 Kgs Blue HDPE Drum/ HDPE bag.





STORAGE


:


Store in cool, dry place in well-closed containers.