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Quick Details

  • CAS No.: 72-19-5
  • Other Names: 2-Amino-3-Hydroxybutyricacid
  • MF: C4H9NO3
  • EINECS No.: 205-645-3
  • Place of Origin: Zhejiang, China (Mainland)
  • Type: Feed Grade Amino Acids
  • Efficacy: Promote Healthy & Growth, Promote Nutrition
  • Brand Name: synchem L-threonine
  • Model Number: 98.5% feed grade L-threonine
  • Appearance: white or light-brown granular
  • Moisture: 0.5% max
  • Ash: 0.5% min
  • Assay: 98.5% min
  • specific rotation: -26.7°--29.6°
  • granular particle: 20-50mesh 70% min
  • Swine Metabolizable Energy: 3820Kcal/Kg
  • Poultry Metabolizable Energy: 3480Kcal/Kg
  • Packaging: 25kg woven paper bag with 1-ply inner P.E tube
  • Other Packaging: 850kg P.P Woven bag P.E. laminated

Packaging & Delivery

Packaging Details 25kgs net per bag(18mts in a 20fcl on pallets) or 850kgs net per big bag(17mts in a 20fcl on pallets).
Delivery Time Shipped in 45 days after payment

98.5% feed grade L Threonine

Product Description





Standard: AJI92


Specific rotation                             : -27.6°---- -29.0°

State of solution                             : clear and colorless

 (Transmittance)                              98.0% min.

Chloride                                          : 0.02% max.

Ammonium                                     : 0.02% max.

Sulfate                                            : 0.02% max.

Ferric                                              : 10ppm max

Heavy metals                                 : 10ppm max.

Arsenic                                           : 1ppm max

Other Amino Acids                         : conforms

Loss on drying                                : 0.2% max

Residue on ignition(Salfated)            : 0.1% max

PH                                                   : 5.2 6.2

Assay                                              : 99.0-100.5%


Package: 25kgs net per bag or 850kgs net per big bag


Service we can provide:

1. Mixed container, we can mix different items in one container.

2. Quality control, before shipment, free sample for test. after shipment,  keep sample for 3 years

3. Prompt shipment with professional documents

4. Packing as your request, with photo before shipment


Packaging & Shipping

 Scientific logistics guarantee the transport safely and low cost


Our Warehouse:

Modern warehouse management

Company Information

 Own Lab:

Use Advanced equipment to control the quality strict

Global Exhibition:

Our customer




Trading Process



Synchem International-Your Reliable Partner

1. We have the best knowledge because we have over 15 years experiences in Vitamins, Biocides & Specialities,all intermediats for Pharma and Argochemcial industry fields. 

2. We can get full support from our suppliers in China on price and suppliability. 
3. We can give financial support to you. 
4. We have professional logistics and warehouse at many ports.

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