DL-methionine
CAS NO: 59-51-8
Chemical formula: C5H11NO2S
Characteristics and Uses: White flaky crystal or crystalline powder. There are special smell. Slightly sweet taste. No optical activity. Stable to heat and air. Acid instability can lead to demethylation. Is a nutritional supplement.
Quality standards: AJI92
Project results
+5.6 - +8.9 Specific Rotation
Transmittance ≥ 98%
Assay: 98-102
Heavy metals (as pb, GT-16-2) ≤ 0.002%
PH value of 0.5-2.0
Arsenic salt% ≤ 0.0001
Loss on drying ≤ 0.01
Residue on ignition% ≤ 0.001
Packaging and transportation:
Packaging: Net weight 25kgs / box
Transportation: Handle gently. To prevent the sun, rain, can not be mixed with toxic and hazardous materials transport; product is non-dangerous goods according to transport as common chemicals.
Storage: Store in a clean and dry dark environment mixed with toxic substances is strictly prohibited, to avoid contamination
关键字： nutritional supplement.