| CAS No.: | 59-51-8 |
|---|---|
| Other Names: | |
| MF: | |
| EINECS No.: | |
| Place of Origin: | |
| Grade Standard: | Food Grade,Medicine Grade |
| Usage: | |
| Brand Name: | |
| Model Number: | |
| Purity: |
Quick Details
Specifications
Supplier: Premium Ingredient Co.,Ltd
Product Name: DL-Methionine Cas No.:59-51-8 Quality Standard: AJI97
Description: white crystals or crystalline powder.
Solubility (H2O, g/100g):3.00(20°), 4.82 (40°), 7.55(60°)
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Test item
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Limit
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State of solution
(transmittance)
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Clear and colorless
Not less than 98.0%
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Chloride
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Not more than 0.020%
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Ammonium
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Not more than 0.02%
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Sulfate
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Not more than 0.020%
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Iron
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Not more than 10ppm
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Heavy metals(Pb)
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Not more than 10ppm
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Arsenic
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Not more than 1ppm
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Other Amino Acids
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Chromatographically not detectable
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Loss on drying
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Not more than 0.30%
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Residue on ignition
(sulfated)
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Not more than 0.10%
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Assay
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99.0 to 100.5%
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PH
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5.6 to 6.1
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Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 2 years