| NAME |
L-Glutamic
Acid B.P. / E.P. |
| CHEMICAL FORMULA |
C5H9NO4 |
Molecular Weight : 141.1 |
| CAS NUMBER |
56-86-0 |
| USE |
Amino acid/exptl antieplileptic. |
| DESCRIPTION |
A White crystalline powder or colourless
crystals. |
| CHEMICAL SPECIFICATION |
TESTS |
SPECIFICATIONS |
| |
Solubility |
Freely soluble in boiling water, slightly soluble
in cold water, practically insoluble in acetic acid, in acetone,
in alcohol and in ether. |
| |
Identification |
Test A, B, C & +ve. |
| |
Appearance of Solution |
5gms in 50 ml of 1M HCL is clear
and colourless. |
| |
Sp. optical rotation |
Betn. +30.5° to 32.5°. |
| |
Ninhydrin-positive Test |
Any seconday 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 100.5 % of C5H9NO4 on dried basis. |
| PACKAGING |
25 Kgs Blue HDPE Drum / HDPE Bag
. |
| STORAGE |
Store in cool, dry place in well-closed
containers. |
| NAME |
L-Glutamic
Acid U.S.S.R.P. |
| CHEMICAL FORMULA |
C5H9NO4 |
Mol. Weight 147.13 |
| CAS NUMBER |
56-86-0 |
| USE |
Amino acid/exptl antieplileptic. |
| DESCRIPTION |
White crystalline powder with barely
perceptible odour
and acid taste. |
| CHEMICAL SPECIFICATION |
TESTS |
SPECIFICATIONS |
| |
Solubility |
Sparingly soluble in water, soluble in hot water,
practically insoluble in 95 % alcohol and ether. |
| |
Identification |
Test A, B are +ve. |
| |
Melting Point |
Not below 190°C. |
| |
Sp. optical rotation |
Betn.+30° to +34° |
| |
PH/ Acidity |
Betn. 3.1 & 3.7 |
| |
Foreign amino acids |
No green or brown colour appears. |
| |
Insoluble substances |
The turbidity of solution does not exceed that
of standard No.4. |
| |
Organic admixtures |
The resultant solution is colourless
for 15 minutes. |
| |
Chloride |
NMT 0.05 % |
| |
Loss on drying |
NMT 0.5 % |
| |
Sulphate ash |
NMT 0.1 % |
| |
Heavy Metals |
NMT 0.001 % |
| |
Arsenic |
NMT 0.0001% |
| |
Assay
i. Content of nitrogen
ii. Content of
Glutamic acid
|
9.4 % to 9.55 %
NLT 98.5 %
|
| PACKAGING |
25 Kgs Blue HDPE Drum. |
| STORAGE |
Store in cool, dry place in well-closed
containers. |
| |
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