DL-Methionine CAS 59-51-8

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CAS: 59-51-8

MF: C₅H₁₁NO₂S

MW: 149.21

Product Categories	Amino Acids, Biochemicals, Cosmetic Raw Materials
CAS RN	59-51-8
Alternative CAS RN	-
EC Number	200-432-1
MDL Number	MFCD00063096
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	2930409000

Physical Description	Almost white, crystalline powder or small flakes
Assay	99.0 - 101.0 % (dried basis)
Residue on Ignition	≤ 0.1%
Loss on Drying	≤ 0.5%
Arsenic (As)	≤ 1ppm
Heavy Metals (as Pb)	≤ 10ppm
Lead (Pb)	≤ 3ppm
Cadmium (Cd)	≤ 1ppm
Chloride (Cl)	≤ 0.02%
Solubility	1g in 50ml water: Clear, colourless solution
pH	5.4 - 6.1 (2% solution)
Related Substances	≤ 0.2%
Ammonium (NH4)	≤ 0.1%
Pharmacopoeia Specification(s)	EP
Specification Version	1.0