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DL-Methionine CAS: 59-51-8 CAS NO.59-51-8
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- DL-Methionine
- DL-Methionine
- CAS: 59-51-8
Quick Details
- ProName: DL-Methionine CAS: 59-51-8
- CasNo: 59-51-8
- Molecular Formula: C5H11NO2S
- Appearance: White flaky crystal or powder
- Application: Nutrition Enhancers
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 59-51-8
Superiority
DL-Methionine
CAS No.:59-51-8
Molecular formula:C5 H11 NO2 S
Molecular weight:149.21
Property:White flaky crystal or powder, has a special smell, specific gravity 1.34, melting point 281 ℃ (decomposition), 1g methionine dissolved in about 30ml water, soluble in dilute acids and alkalis, slightly soluble in ethanol, insoluble in ether. Are sulfur-containing amino acids, non-toxic.
Use:Department of essential amino acids, nutritional supplements, mainly for the food industry. Second, amino acids for the pharmaceutical industry for drug infusion nutrients, liver preparation, liver cirrhosis, drug toxicity, etc.
Details
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Item |
Standard |
Test Results |
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Identification |
A.H-NMR:Comply with the structure |
Complies |
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B.LC-MS:Comply with the structure |
Complies |
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C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
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D.HPLC-ESI-MS |
Complies |
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The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
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Heavy metals |
≤10 ppm |
<10ppm |
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Water |
≤1.0% |
0.10% |
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Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.01% |
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Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
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Total Impurity |
≤0.5% |
0.18% |
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Purity |
≥99.0% |
99.70% |
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Assay |
99.0%~101.0% (anhydrous substance). |
99.80% |
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Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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