DL-Methionine (Racemethionine)
Miasto: LV, Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
Assay
Analysis Item | Specification | Result |
DL-Methionine | 99.0 – 101.0% | 99.4% |
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | Crystalline Powder or small Flakes | Conforms |
Color | Almost White | Conforms |
Appearance of Solution | Clear and Colorless | Conforms |
Identification | Conforms to EP8.0 | Conforms |
Optical Rotation | -0.05° to +0.05° | Conforms |
Loss on Drying | ≤0.5% | 0.13% |
Residue on Ignition | ≤0.1% | 0.07% |
pH | 5.4 – 6.1 | 5.89 |
Related Substances | ≤0.2% | Conforms |
Additional Chemical Parameters
Analysis Item | Specification | Result |
Chloride (Cl) | ≤200 mg/kg | <200 mg/kg |
Sulfate (SO4) | ≤200 mg/kg | <200 mg/kg |
Ethylene Oxide | Meet EC 396/2005 | Conforms |
Packaging & Storage
Packaging | Packed in paper-drums of 25 kg each with two plastic-bags inside |
Storage Conditions | Store in a cool and dry place protected against strong light and heat |