We are a leading manufacturer of DL-Methionine CAS 59-51-8 in China. DL-Methionine CAS 59-51-8 is available in stock and can be delivered quickly. COA, MSDS and TDS of DL-Methionine CAS 59-51-8.
Believe Chemical is a leading China DL-Methionine CAS 59-51-8 manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our DL-Methionine CAS 59-51-8 have been satisfied by many customers. Shandong Believe Chemical Pte. Ltd. is a high-tech enterprise integrating R &D and sales of chemical technology.
We are good at the advantages of chemical products in the field. Our products are exported to Europe, the United States, Japan, South Korea, Southeast Asia and other countries and regions. With science and technology as the guide, honesty as the foundation, quality as the life, and relying on the enterprise concept of innovation and development, we sincerely hope to establish exchanges and extensive cooperation with domestic and foreign customers to create prosperity!
Product Name |
DL-Methionine |
||
Formula |
C5H11NO2S |
Molecular Weight |
149.21 |
CAS NO. |
59-51-8 |
Quantity |
500KG |
Items |
Specification |
Results |
Appearance |
White flake crystal or crystalline powder |
Conforms |
Assay |
99% | 99.15% |
CONCLUSION |
The result conform with standard |
Melting point 284 ° C (Dec.) (lit.)
Specific rotation - 1 ~ + 1 ° (D / 20 ℃) (C = 8, HCl)
Boiling point 306.9 ± 37.0 ° C (predicted)
Density 1.34fema3301 | D, L-methionine
Refractive index 1.5216 (estimated)
Storage condition: 2-8 ° C
Solubility 1mhcl: 0.5mat20 ° C, clear, colorless
Acidity coefficient (PKA) 2.13 (AT25 ℃)
Form: crystalsorcrystallinepwder
Color: white
Optical activity[ α]/ D,c=5in5MHCl(inactive)
Water solubility 2.9g/100ml (20 º C)
DL Methionine forms white flake crystal or crystalline powder from alcohol, which is slightly sweet and has a special smell. No optical rotation. It is soluble in water, dilute acid and alkali, slightly soluble in 95% alcohol and insoluble in ether.