DL-Methionine
CAS:59-51-8
Molecular Formula:C5H11NO2S
Molecular Weight:149.21
EINECS:200-432-1
Purity:99%
Appearance:White powder
Applications:One of the essential amino acids,Lack of Methionine can cause liver, kidney dysfunction,can promote hair, nail growth, and with detoxification and increase muscular activity ability, can be made into the sauce.Used for amino acid infusion.
Specification:
Item | Limit | Results |
Description | White crystals or crystalline powder | Conforms |
Identification | Infrared absorption spectrum | Conforms |
State of solution | ≥98.0% | 98.6% |
Chloride(Cl) | ≤0.020% | <0.020% |
Ammonium | ≤0.02% | <0.02% |
Sulfate(SO4) | ≤0.020% | <0.020% |
Iron(Fe) | ≤10ppm | <10ppm |
Heavy metals (Pb) | ≤10ppm | <10ppm |
Arsenic(As203) | ≤1ppm | <1ppm |
Other amino acids | Chromatographically not detectable | Conforms |
Loss on drying | ≤0.30% | 0.17% |
Residue on ignition(sulfated) | ≤0.10% | 0.05% |
Assay | 99.0~100.5% | 99.58% |
PH | 5.6~6.1 | 5.89 |
Conclusion:The test result of the above mentioned product meets AJI92 standard | ||
Package:25Kg/drum
FAQ
1. How do you control the quality?
We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2. Do you supply sample?
Yes, we can supply some samples for your test.
3. Do you accept sample order?
Welcome sample order for a trial start,10kg, 20kg, 50kg as you need.
4.Do you supply product report?
Yes. We'll give you product analysis report before shipping.
5. Can we visit your factory?
Yes. Welcome to visit.
Product quality protection 
