Quick Details
- Grade:usp40
- Processing Time:10 days
- Port:shanghai
- Supply Ability: 100 Metric Tons Per Month
- Brand Name:premium ingredient
Methionine is an amino acid. It is found in meat, fish, and dairy products. Amino acids are the building blocks that our bodies use to make proteins. Methionine
plays an important role in the many functions within the body. Methionine can treat liver disorders and viral infections along with many other uses.
Product Name: L-Methionine
Cas No.63-68-3
Quality Standard: USP30
Test item
specifications
Assay
98.5% to
101.5%
Identification
Infrared absorption
Specific rotation
+22.4° to +24.7°
PH
5.6 to 6.1
Loss on drying
Not more than 0.3%
Residue on ignition
Not more than 0.4%
Sulfate
Not more than 0.03%
Iron
Not more than 0.003%
Heavy metals
Not more than 0.0015%
Chromatographic purity
Not more than 0.5% of any individual impurity is found, and not more than 2.0%
of total impurities is found
Organic volatile impurities
Meets the requirements
Chloride
Not more than 0.05%
