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Amino Acids

  • L-Methionine

L-Methionine

Commodity: L-Methionine

CAS NO63-68-3

EINECS NO.: 200-655-4

Molecular Formula: C5N11NO2S

Property: L-Methionine is colorless or white shiny flake crystal or white crystalline powder, slightly with special smell and slightly bitter taste.The melting point of 280 ~ 281 ℃.Unstable to strong acids, which can lead to demethylation.Soluble in water (5.6 g / 100 ml, 30 ℃), warm dilute ethanol, alkaline solution, or dilute mineral acids.Insoluble in ethanol, almost insoluble in ether.

Application:

1.Used for biochemical research and nutritional supplements, but also for the adjuvant treatment of pneumonia, cirrhosis and fatty liver.
2.Can be used as feed additive.

Packing: 25KG net drums with PE bag liner or following customers' demands.

Specification:

Item

Specification

Result

Appearance

White or light grey crystal or crystalline powder

DL-Methionine(%)

≥99.0

99

Specific Optical Rotation

+22.4"-F16+24.8"

+23.7"

PH Value

5.6-6.1

6

Residue On Ignition(%)

≤0.4

0.03

Loss On Drying(%)

≤0.3

0.1

Chloride(NaCL)(%)

〈0.2

〈0.2

Pb (mg/kg)

〈20

〈20

AS(mg/kg)

〈2

〈2

FE(mg/kg)

≤30ppm

7ppm

Conclusion

High Grade Product


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