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L-VALINE

[Name of product]: L-VALINE
[Chemical Formula]:

[Molecular Formula]: C5H11NO2
[Molecular weight]: 117.15
[Character]:White crystalline powder, odorless,lightly sweet but then bitter, freely soluble in water, very slightly soluble in ethanol.
[Quality]: Standard According to buyer's Requirements, Generally Food grade adopted as the American FCC IV Medical Grade adopted as AJI 97, or USP 24

 

Items

FCC ?

AJI97

USP24

Assay

98.5 ~ 101.5%

98.5 ~ 101.0%

98.5 ~ 105.0%

pH value

5.5 ~ 7.0

5.5 ~ 6.5

5.5 ~ 7.0

Specific rotation

+26.7º~ +29.0º

+27.6º ~ +28.7º

+26.6º ~ +28.8º

Transmittance

--

98.0% MIN

--

Chloride(Cl)

--

0.02% MAX

0.05% MAX

Ammonium(NH 4 )

--

0.02% MAX

--

Sulfate(SO 4 )

--

0.02% MAX

0.03% MAX

Iron(Fe)

--

10ppm MAX

30ppm MAX

Heavy metals(Pb)

20ppm MAX

10ppm MAX

15ppm MAX

Arsenic(As 2O 3 )

--

1ppm MAX

1.5ppm MAX

Lead(Pd)

10ppm MAX

--

--

Other amino acids

--

0.5% MAX

--

Loss on drying

0.3% MAX

0.20% MAX

0.3% MAX

Residue ignition

0.2% MAX

0.10% MAX

0.3% MAX

Pyrogen

--

Non-pyrogen

--

 

[Packing]: In kraft paper bags or in fiber drum of 25KG net each. [Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don't transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.