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We are interested in Aspartame in order to supply our customers. We are seeking good business relationships. Please find below the specification that we are requesting. Samples are also required. General Specifications Chemically pure and contains no additives, preservatives or colors. Structure : C14H18N2O5 CAS Number : 22839-47-0 Standard Inspection : FCC XII/USP 43/E 951 Identification Conform to standard Appearance White crystalline Granular Solubility Sparingly soluble in water and ethanol Assay (Titrimetric) 98.0% to 102.0% (dried basis) w/w Specific Rotation [α]D20 +14.5º to +16.5º Loss on Drying ≤4.5% Residue on Ignition (Sulphated Ash) ≤0.2% Diketopiperazine(DKP) (5-Benzyl-3, 6-Dioxo-2-Piperazineacetic Acid) ≤1.5% w/w Residual Solvents In Conformity with USP L-phenylalanine ≤0.5% Other Related Substances ≤2.0% w/w Transmittance ≥95.0% Heavy Metals (as Pb) ≤10 mg/kg Lead ≤1 mg/kg Arsenic (as As) ≤3 mg/kg pH 4.5 to 6.0 units Particle Size 60-100 mesh