L-Methionine
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Product Description
Product
L-Methionine
CAS
63-68-3
Formula
C5H11NO2S
Synonym
L-Methionine; L-2-Amino-4-(methylthio)butyric Acid
Typical Product Specifications
Density
1.340
Sensoric
Colorless or white crystalline powder
Odor
Slight characteristic
Solubility
Soulble in water
pH
5.6-6.1
Loss on Drying
NMT 0.3%
Residue on Ignition
NMT 0.1%
Chloride
NMT 0.05%
Sulfate
NMT 0.03%
Heavy Metals
NMT 15 ppm
Iron
NMT 0.003%
Specific Rotation
+22.4 to +22.7
Assay
98.5% - 101.5%
Total Aerobic Plate Count
NMT 3,000 CFU/g
Yeast & Molds
NMT 100 CFU/g
Coliform
Negative P 25/g
E.Coli
Negative P 25/g
Salmonella
Negative P 25/g
Insolubility
in abs. alcohol, alcohol, benzene, acetone, ether
Melting Point
281 c (dec.)
Molecular weight
149.21
Flash Point
(cc) 284 c
Chemical Structure
Notes
FEMA# 3301
Class
L-Methionine
Product Description
Product
L-Methionine
CAS
63-68-3
Formula
C5H11NO2S
Synonym
L-Methionine; L-2-Amino-4-(methylthio)butyric Acid
Typical Product Specifications
Density
1.340
Sensoric
Colorless or white crystalline powder
Odor
Slight characteristic
Solubility
Soulble in water
pH
5.6-6.1
Loss on Drying
NMT 0.3%
Residue on Ignition
NMT 0.1%
Chloride
NMT 0.05%
Sulfate
NMT 0.03%
Heavy Metals
NMT 15 ppm
Iron
NMT 0.003%
Specific Rotation
+22.4 to +22.7
Assay
98.5% - 101.5%
Total Aerobic Plate Count
NMT 3,000 CFU/g
Yeast & Molds
NMT 100 CFU/g
Coliform
Negative P 25/g
E.Coli
Negative P 25/g
Salmonella
Negative P 25/g
Insolubility
in abs. alcohol, alcohol, benzene, acetone, ether
Melting Point
281 c (dec.)
Molecular weight
149.21
Flash Point
(cc) 284 c
Chemical Structure
Notes
FEMA# 3301
Class
