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DL-Methionine

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General information
Registration name: DL-Methionine
Other product names:
2-Amino-4-(methylthio)butanoic acid
H-DL-Met-OH
 
CAS number 59-51-8 Structure
EINECS: 200-432-1
Formula: C5H11NO2S

Detailed information on the Star Product
Qualification: ISO9001, HACCP, GMP Hygiene, FAMI-QS, KOSHER, HALAL
Specification: EP5

Typical technical data:
Appearance White crystalline platelets or powder
Assay (on dried matter) 99.0-101.0%
Clarity of solution Clear, colorless
Transmittance (2.5%, 430ml) ≥98.0%
pH value (5% in water) 5.4-6.1
Heavy metal (as Pb) ≤0.001%
Sulphate (as SO4) ≤0.02%
Chloride (as Cl) ≤0.02%
Loss on drying ≤0.5%
Residue on ignition ≤0.1%

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