Chemical Name: L-2-Amino-3-hydroxybutyric acid
Molecular Formula: C4H9NO3
Molecular Weight: 119.12
Cas NO: [72-19-5]
Characteristics: White crystalline powder
Quality Standards: USP24,FCCIV , AJI97
Items |
Specifications |
Description |
White crystals or crystalline powder; tasteless |
Assay (C3H7NO2), % |
98.5 ~ 101.5 |
Transmittance, % |
=98.0 |
Specific optical rotation |
-26.7°~ -29.1° |
Heavy metals (as Pb), % |
=0.0015 |
Loss on drying, % |
=0.2 |
Residue on ignition, % |
=0.1 |
Chloride (as Cl), % |
=0.05 |
Sulfate (as SO4), % |
=0.03 |
Ammonium (as NH4), % |
=0.02 |
Arsenic (as As), % |
=0.00015 |
Other amino acids |
Not detd. |
Organic volatile impurities |
Meets the requirement |
Use :
L-Threonine is one kind of amino acids which is necessary for both the human and animal body, itself cannot synthesize, must absorb from food. It is widely applied as the food additive in the feed industry, the health foods and the pharmaceutical industry. The threonine's quantity demanded will be increased year by year according to the increase of lysine's output.
Transport and Storage :
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 peoduct is a non-dangerous product and can be transported as a general chemical product. 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 ofr two years. |