L-Methionine
Specification:
|
Project |
CP2015 |
AJI92 |
USP32 |
USP40 |
|
Description |
White or almost white crystals or crystalline powder |
White crystals or crystalline powder |
--- |
--- |
|
Identification |
Conforms |
Conforms |
Conforms |
Conforms |
|
Assay |
≥98.5% |
98.5%~101.5% |
98.5%~101.5% |
98.5%~101.5% |
|
pH |
5.6~6.1 |
5.6~6.1 |
5.6~6.1 |
5.6~6.1 |
|
Transmittance |
≥98.0% |
≥98.0% |
--- |
--- |
|
Loss on drying |
≤0.2% |
≤0.20% |
≤0.3% |
≤0.3% |
|
Residue on ignition |
≤0.1% |
≤0.10% |
≤0.4% |
≤0.4% |
|
Chloride |
≤0.02% |
≤0.020% |
≤0.05% |
≤0.05% |
|
Heavy Metals |
≤0.001% |
≤10ppm |
≤0.0015% |
≤0.0015% |
|
Iron |
≤0.0015% |
≤10ppm |
≤0.003% |
≤0.003% |
|
Sulfate |
≤0.02% |
≤0.020% |
≤0.03% |
≤0.03% |
|
Endotoxin |
<25EU/g |
--- |
--- |
--- |
|
Arsenic |
≤0.0001% |
≤1ppm |
--- |
--- |
|
Ammonium |
≤0.02% |
≤0.02% |
--- |
--- |
|
Other amino acids |
Conforms |
Conforms |
Conforms |
Conforms |
|
Pyrongen |
--- |
Conforms |
--- |
--- |
|
Hydrolyzable substances |
--- |
--- |
--- |
--- |
|
Specific Rotation |
+21.5° ~ +25.0° |
+23.0° ~ +25.0° |
+22.4º~+24.7º |
+22.4º~+24.7º |
Standard: CP, AJI, USP
Function and application: Flavoring agents, nutritional supplements, food additives, feed additives, pharmaceutical intermediates, flavor enhancers, etc
Packaging: 25kg/bag (drum), others as required
MOQ:25kg
Shelf life: two years
Category
Tags
Recommended
Standard: CP, AJI, USP
Function and application: Flavoring agents, nutritional supplements, food additives, feed additives, pharmaceutical intermediates, flavor enhancers, etc
Packaging: 25kg/bag (drum), others as required
MOQ:25kg
Shelf life: two years
Standard: AJI
Function and application: Nutritional supplements, pharmaceutical intermediates, etc.
Packaging: 25kg/bag (drum), others as required
MOQ:25kg
Shelf life: two years
Standard: AJI, CP, USP, FCC
Function and application: Food additives, nutritional supplements, pharmaceutical intermediates, etc.
Packaging: 25kg/drum, others as required
MOQ:25kg
Shelf life: two years
Standard: AJI, CP, USP
Function and application: Food additives, nutritional supplements, pharmaceutical intermediates, pharmaceutical reagents, etc.
Packaging: 25kg/drum, others as required
MOQ:25kg
Shelf life: two years