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Product Identifier
| Product Name |
L-Glutamic acid |
| Product Code |
TC074M |
| Molecular weight |
147.13 |
| Molecular formula |
C5H9NO4 |
| CAS No. |
56-86-0 |
| Shelf life |
48 months |
Technical Specification
| Appearance (EP, BP) |
White or almost white crystalline powder, or colourless crystals |
| Appearance (JP) |
White crystals or crystalline powder |
| Solubility (EP) |
Freely soluble in boiling water, slightly soluble in cold water Practically insoluble in acetic acid, in acetone and in alcohol |
| Solubility (BP) |
Freely soluble in boiling water, slightly soluble in cold water Practically insoluble in acetic acid, in acetone and in ethanol (96%) |
| Solubility (JP) |
Slightly soluble in water, and practically insoluble in ethanol (99.5%). It dissolve in 2 mol/L hydrochloride TS |
| Identification A : FTIR (USP, JP) |
Matches with the standard pattern |
| Identification A : Specific rotation (EP, BP) |
+30.5 to +32.5 (c = 10% in 1M HCl at 20°C ± 0.5°C, calculated with reference to dried substance) |
| Identification B : FTIR (EP, BP) |
Matches with the standard pattern |
| Identification C : Ninhydrin-positive subsytances : TLC (EP, BP) |
Complies |
| Identification D (EP, BP) |
Complies |
| pH (0.7% in water) : (JP) |
2.9 -3.9 |
| Appearance of solution (EP, BP) |
Solution of 5g in 50mL of 1M HCl is clear and colourless |
| Clarity & colour of solution (JP) |
Solution of 1 gm in 10 mL of 2 mol/L HCl is clear and colourless |
| Chloride (JP) |
<= 0.021% |
| Ammonium (EP, BP, JP) |
<= 0.02% |
| Chloride (USP, EP, BP) |
<= 0.02% |
| Sulfate (USP) |
<= 0.02% |
| Sulfate (EP, BP) |
<= 0.03% |
| Sulfate (JP) |
<= 0.028% |
| Iron (USP, EP, BP, JP) |
<= 0.001% |
| Sulfated ash (EP, BP) |
<= 0.1% |
| Ninhydrin-positive substances : TLC (EP, BP) |
Complies |
| Related substances: the amount of each amino acid other than glutamic acid, Amino acid analyser : (JP) |
<= 0.2% |
| Related substances: Total amount of amino acid, Amino acid analyser : (JP) |
<= 0.6% |
| Related compounds, Individual impurities : TLC (USP) |
<= 0.5% |
| Related compounds, Total impurities: TLC (USP) |
<= 2.0% |
| System suitability 1, Amino acid analyser : resolution (JP) |
>= 1.2, The resolution between the peak of glycine and L-alanine |
| System suitability 2, Amino acid analyser : RSD of the retention time (JP) |
<= 1.0% |
| System suitability 3, Amino acid analyser : RSD of the peak height of each amino acid in the standard solution (JP) |
<= 5.0% |
| Specific rotation (USP, JP) |
+31.5° to +32.5° (c=10% in 2M HCl, at 20°C) |
| Specific rotation (EP, BP) |
+30.5° to +32.5° (c=10% in 1M HCl, at 20 ± 0.5°C, dried substance) |
| Loss on drying (at 105°C, 3 hr) : (USP) |
<= 0.1% |
| Loss on drying (at 105°C, till constant weight) : (EP, BP) |
<= 0.5% |
| Loss on drying (at 105°C, 3 hr) : (JP) |
<= 0.3% |
| Residue on ignition (USP, JP) |
<= 0.1% |
| Heavy metals (JP) |
<= 0.001% |
| Assay (NT, on dry basis) :(USP) |
98.5-101.5% |
| Assay (NaOH T, dried substance) : (EP, BP) |
98.5 - 100.5% |
| Assay (NaOH T, on dry basis) (JP) |
99.0 - 101.0% |
| Endotoxin content |
<= 25 IU/g |
| Total aerobic microbial count (TAMC) |
<= 100 CFU/g |
| Total yeasts and molds count (TYMC) |
<= 100 CFU/g |
| Storage conditions |
Store below 30°C away from bright light. Use before expiry date given on the product label. |
CAS Number :
56-86-0
Molecular Formula :
C₅H₉NO₄
More Information
| Product Name |
L-Glutamic acid |
| SKU |
TC074M |
| CAS No |
56-86-0 |
| Molecular formula |
C₅H₉NO₄ |
| Molecular Weight |
147.13 |
| Storage |
Store below 30°C away from bright light. |
| Shelf Life |
4 Years |