Product Name: D-Aspartic Acid
Synonyms: D-2-Aminobutanedioic acid; D-Aminosuccinic acid
CAS No.: 1783-96-6
Molecular Formula: C4H7NO4
Molecular Weight: 133.10
Specification of D-Aspartic Acid:
Item | Specification |
Appearance | Crystalline White Powder |
Purity | 98.5%~101.0% |
Specific Rotation [a]D20 | -24.8°~-25.8° |
pH (5% Solution) | 2.5 ~ 3.5 |
Solution Transmittance | 98% min. |
Loss on Drying | 0.2% max. |
Residue on Ignition | 0.1% max. |
Ammonium (NH4) | 0.02% max. |
Heavy Metals (as Pb) | 10 ppm max. |
Arsenic | 1 ppm max. |
Iron (Fe) | 10 ppm max. |
Sulfate (SO4) | 200 ppm max. |
Chloride | 200 ppm max. |