D-Aspartic acid CAS 1783-96-6

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CAS: 1783-96-6

MF: C₄H₇NO₄

MW: 133.10

Physical Description	White to almost white powder
Solubility (5% in 1M NH4OH)	Clear, colourless to very faint yellow solution
Specific Optical Rotation ([α]20/D)	-26.0 - -24.0 ° (c=5, 5M HCl)
Chloride (Cl)	≤ 0.02%
Ammonium (NH4)	≤ 0.02%
Iron (Fe)	≤ 10ppm
Heavy Metals	≤ 10ppm
Arsenic (As2O3)	≤ 1ppm
Lead (Pb)	≤ 3ppm
Cadmium (Cd)	≤ 1ppm
Mercury (Hg)	≤ 0.1ppm
Residue on Ignition	≤ 0.1%
L-Isomer	≤ 0.5%
Other Amino Acids	≤ 0.3%
Loss on Drying	≤ 0.5%
Assay	99.0 - 101.0 % (anhydrous basis)
Specification Version	1.0