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Chemicals - Amino Acids |
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| L-Threonine, USP |
| [C4H9NO3] |
| 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: 2-Amino-3-hydroxybutyric acid. White crystals or crystalline powder. Molecular weight: 119.1. CAS#72-19-5. |
| Specifications: |
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Specs |
Typical |
| Assay: | 98.5% - 101.5% | 99.3% |
| Specific rotation [a]D20: | -26.7o ~ -29.1o | -27.5o |
| PH: | 5.0 - 6.5 | 6.0 |
| Loss on drying: | 0.2% Max. | 0.08% |
| Residue on ignition: | 0.4% Max. | 0.09% |
| Arsenic(As): | 1.5 ppm Max. | <1.5 ppm |
| Chloride (Cl-): | 0.05% Max. | <0.05% |
| Iron (Fe): | 0.003% Max. | <0.003% |
| Sulfate (SO42-): | 0.03% Max. | <0.03% |
| Heavy metals (Pb): | 15 ppm Max. | <15 ppm |
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| Packaging: |
| 25Kg paper drum. |
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