Customization: | Available |
---|---|
Certification: | RoHS, ISO, CE, FDA, SGS |
Shape: | Powder |
Still deciding? Get samples of US$ 100/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
DL-Methionine is an essential amino acid for animal growth. It cannot be synthesized in suffcient quantities in the body; Therefore, it must be acquired from external sources.
Item | Standard |
Appearance | White to yellowish powder |
Assay (%) | ≥99 (NT) (TLC) |
Infrared spectrometry | Conformed |
Loss on drying (%) | <0.2 |
Residue on ignition (%) | <0.1 |
Heavy metal (Pb) | <10 ppm |
NH4 | < 200 ppm |
Transmittance(%) | >95 (c=10, 2 N HCl, 430 nm) |
Cl | < 200 ppm |
Sulfate (SO4) | < 200 ppm |
Fe | < 10 ppm |
Melting point ( ºC) | 284 (dec.)(lit.) |
PH Value | 5.6 ~ 6.1 (1% soln.25°C) |
1.25 KG/bag/drum
2.also be packed according to customer's needs.
Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.