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Chemicals - Amino Acids |
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| L-Pyroglutamic Acid, AJI |
| [C5H7NO3] |
| Working together with select amino acid producers,
Varsal has established partnerships for supply of the following products.
These products have the same quality, services and price advantages as those
produced at Varsal's wholly owned subsidiary facilities. Multi-compendial
specifications are available. |
| Description: |
| Other name: 5-Oxoproline. Molecular weight: 129.10. CAS#98-79-3. |
| Specifications: |
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Specs |
Typical |
| Appearance: | White to off-white crystalline powder | White to off-white crystalline powder |
| Assay: | 99.0% Min | 99.5% |
| M.P.: | 160-162oC | Complies |
| Chloride (Cl): | 0.02% Max | 0.008% |
| Sulphate (SO42-): | 0.02% Max. | 0.008% |
| Ammonium Salt(NH4+): | 0.02% Max. | 0.006% |
| Iron (Fe): | 10 ppm Max. | Complies |
| Heavy metals (Pb): | 10 ppm Max. | Complies |
| Arsenic(As2O3): | 1 ppm Max. | Complies |
| Other amino acids: | 0.02% Max. | Complies |
| Loss on drying: | 0.02% Max. | 0.1% |
| Residue on ignition: | 0.02% Max. | Complies |
| Specific rotation[a]D20: | -11.5o ~ -12.5o (c=2, H2O) | -12.0o (c=2, H2O) |
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| Packaging: |
| 25Kg bags or super sacks. |
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