Food grade DL methionine CAS NO.59-51-8

item

specifications

ep4/bp2001

fcciv

appearance

white crystalline platelets or powder

assay (c5h11no2s),%(on dry matter)

99.0~101.0

98.5~101.5

clarity of solution,

clear

clear

transmittance, % (2.5%, 430ml)

≥98.0

- - -

ph value(5% in water)

5.4~6.1

5.6~6.1

heavy metals (as pb), %

≤0.001

≤0.002

arsenic (as as), %

≤0.0001

≤0.0002

sulfate (as so4), %

≤0.02

≤0.02

chloride (as cl),%

≤0.02

- - -

loss on drying, %

≤0.5

≤0.5

residue on ignition, %

≤0.1

≤0.1

ammonium as (as nh4), %

≤0.01

- - -

other amino acid