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L-Threonine
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France Raw materials
Raw materials

L-Threonine

Quantity : 100MT/Mont

Chemical Name： L-2-Amino-3-hydroxybutyric acid;

Structure Formula：

Molecular Formula：

 C4H9NO3

Molecular Weight：
119.12

Cas No：

 [72-19-5]

Characteristics：

 White crystalline powder

Quality Standards：

 USP24, FCCIV, AJI97 and etc.

Item

Specification

USP24

FCCIV

AJI97

Appearance

White crystals or crystalline powder

Assay, %(on dried basis)

98.5~101.5

98.5~101.5

98.5~101.0

Specific optical rotation

-26.7º~ -29.1º

-26.5º~ -29.0º

-27.6º~ -29.0º

Transmittance

- - -

- - -

≥98.0

pH Value

5.0~6.5

- - -

5.2~6.2

Loss on drying,%

≤0.2

≤0.3

≤0.2

Heavy metals (as Pb),%

≤0.0015

≤0.002

≤0.001

Residue on ignition,%

≤0.4

≤0.1

≤0.1

Chloride (as Cl),%

≤0.05

- - -

≤0.02

Sulfate (as SO4),%

≤0.03

- - -

≤0.02

Ammonium (as NH4),%

- - -

- - -

≤0.02

Arsenic (as As),%

≤0.00015

≤0.00015

≤0.0001

Iron,%

≤0.003

- - -

≤0.001

Other amino acids

- - -

- - -

Not detd.

Organic volatile impurities

Meets the requirement

- - -

Meets the requirement

The Characteristics and Uses：

 　

Package and Transport：

 Packed with a polyethylene bag for the inner layer and a Kraft paper board barrel for the outer layer, net weight 25kg/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.

Storage：

 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.

Location : Biotechnology Industrial Area, 051530 NanBaiShe,
Contact : Linda Lee, 8631180826581

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