- Product Detail
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L-Glutamic Acid AJI97 USP2025 EP11 JP18 Appearance White crystals or crystalline powder / A white or almost white, crystalline powder or colourless crystals White crystals or crystalline powder ldentification Conform Conform IR:Conform to CRS Spectrum IR: Conform to CRS Spectrum State of solution
(Transmittance)Clear and colorless,
≥98.0%/ / / Specific rotation 
+31.5° ~ +32.4° +31.5º ~ +32.5º +30.5° ~ +32.5° (dried substance) +31.5° ~ +32.5° (on the dried basis) Chloride ≤0.020% ≤0.02% ≤200ppm ≤0.021% Sulfate ≤0.020% ≤0.02% ≤300ppm ≤0.028% Ammonium ≤0.02% / ≤200ppm ≤0.02% Iron ≤10ppm ≤10µg/g ≤10ppm ≤10ppm Heavy metals ≤10ppm / / ≤10ppm Arsenic ≤1ppm / / / Other amino acids Conform / / / Loss on drying ≤0.10% ≤0.1% ≤0.5% ≤0.3% Residue on ignition ≤0.10% ≤0.1% ≤0.1% ≤0.1% pH 3.0 ~3.5 / / 2.9 ~ 3.9 Assay 98.5% ~ 100.5% 98.5% ~ 101.5% (on the dried basis 98.5% ~ 100.5% (dried substance) 99.0% ~ 101.0% (on the dried basis) Related compounds / Individual impurities: ≤0.5% / The amount of each amino acid other than glutamic acid: ≤0.2% Total impurities: ≤2.0% The total amount of these amino acids: ≤0.6% Appearance of solution / / Solution S is clear and colourless Clear and colorless Ninhydrin-positive
substances/ / ≤ 0.5% /
L-Glutamic acid
CAS No.: 56-86-0
Molecular formular: C5H9NO4
Molecular weight: 147.13
Molecular formular: C5H9NO4
Molecular weight: 147.13
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