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| DL-Methionine |
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| Chemical Name： |
DL-2-Amino-4-methylthiobutyric
acid
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Structure Formula：
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Molecular Formula：
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C5H11N02S
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Molecular Weight：
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Cas No：
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[59-51-8]
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Characteristics：
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White,
crystalline platelets or powder having a characteristic odor. One
g dissolves in about 30 ml of water. It is soluble in dilute acids
and alkali hydroxides in solutions. It is very slightly soluble
in alcohol, and practically insoluble in ethyl ether.
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Quality Standards：
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FCCIV,
EP4 and BP2001 etc.
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Item
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Specifications
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EP4/BP2001
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FCCIV
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Appearance
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White
crystalline platelets or powder
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Assay
(C5H11NO2S),%(on dry matter)
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99.0~101.0
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98.5~101.5
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Clarity
of solution,
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Clear
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Clear
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Transmittance,
% (2.5%, 430ml)
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≥98.0
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-
- -
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pH
Value(5% in water)
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5.4~6.1
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5.6~6.1
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Heavy
Metals (as Pb), %
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≤0.001
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≤0.002
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Arsenic
(as As), %
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≤0.0001
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≤0.0002
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Sulfate
(as SO4), %
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≤0.02
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≤0.02
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Chloride
(as Cl),%
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≤0.02
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-
- -
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Loss
on drying, %
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≤0.5
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≤0.5
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Residue
on ignition, %
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≤0.1
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≤0.1
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Ammonium
as (as NH4), %
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≤0.01
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-
- -
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Other
amino acid
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Not
detd.
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Not
detd.
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The
Characteristics and Uses：
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It is mainly used as animal essential amino acid in fish meal
and additive of chickens, pigs and cows in order to keep animal
and fowl growing healthily. It can improve the milky ability of
cows , prevent the occurrence of hepatosis. besides these, it can
also be used as amino acid medicines, injection solution a nutritional
infusion, the agent of protective liver, the therapy liver cirrhosis
and toxic hepatitis.
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Package
and Transport：
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Packed with a polyethylene bag
for the inner layer and a Kraft paper board barrel for the outer layer, net
weight 20kg/drum. Packaging may be arranged according to
the requirement of the client.
Handle with care in order to avoid damaging the package. Protect them
from sunshine and rain. Do not transport them together with poisonous
or harmful goods. This product is a non-dangerous product and
can be transported as a general chemical product.
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Storage：
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Store in cool, shaded, dry and clean places. Do not store it together with poisonous or harmful goods in order to
avoid pollution. The limit of retained quality for two years.
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