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1. Chemical Name: DL-Methionine
2. Molecular Formula: C5H11NO2S
3. Molecular Weight: 149.21
4. CAS: 59-51-8
5. Packing: 25kg/drum
6. Storage & Transportation: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous subst.
7. Specification:
Product Name: | DL-Methionine | |
Itmes | Specifications | Result |
Appearance | White crystalline powder | White crystalline powder |
(C5H11NO2S) ,% % (on dried basis) | 99.0~101.0 | 99.5 |
Clear and colorless | Clear, colorless | Clear, colorless |
pH value (2% w/v solution) | 5.4~6.1 | 5.62 |
Heavy metals (as Pb),% | ≤0.001 | <0.001 |
Sulfate (SO4-2) ,% | ≤0.02 | <0.02 |
Chloride(as Cl),% | ≤0.02 | <0.02 |
Loss on drying,% (100~105℃) | ≤0.5 | 0.21 |
Residue on ignition (as sulphate ash) ,% | ≤0.1 | 0.04 |
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