Name:D-Pyroglutamic acid
Synonym:(R)-2-Pyrrolidone-5-carboxylic acid
CAS No.:4042-36-8
Content:99%min
Molecular formula:C5H7NO3
Molecular weight:129.11
D-Pyroglutamic acid is white or off-white crystals or crystalline powder,dissolves in water,alcohol,acetone,glacial acetic acid,very slightly soluble in acetic ether,practically insoluble in ether.
Specification:
| Specific rotation[α]20D | +11°~+11.9° |
| Transmittance | Not less than 98% |
| Chloride | Not more than 0.02% |
| Ammonium | Not more than 0.02% |
| Sulfate | Not more than 0.02% |
| Iron | Not more than 10ppm |
| Heavy metals | Not more than 10ppm |
| Arsenic | Not more than 1ppm |
| Loss on drying | Not more than 0.1% |
| Residue on ignition | Not more than 0.1% |
| Chemical name | (R)-2-Pyrrolidone-5-carboxylic acid |
| Molecular formula | C5H7NO3 |
| Molecular weight | 129.11 |
| Assay | 98.5%~100.1% |
Packaging : 25kg/cartonboard drum
Storage : Store in a well-closed container away from moisture
Japan
