ISO Factory Supply Bulk Organic L-Threonine Best L-Threonine Powder

• Customization: Available
• CAS No.: 72-19-5
• Formula: C4h9no3
• Model NO.: amino
• EINECS: 200-774-1
• Color: White
• Appearance: Powder
• Assay: 98.5~101.0%
• Specific Optical Rotation[a]D20°: -26.7~-29.1
• Transmittance: Min 98.0%
• Loss on Drying: Max 0.5%
• Residue on Ignition: Max 0.2%
• Chloride: Max 0.04%
• Sulfate: Max 0.03%
• Heavy Metals (as Pb): Max 0.001%
• Transport Package: Drum/Carton
• Specification: 25kg/drum/carton
• Trademark: songwal
• Origin: China
• HS Code: 29309090
• Production Capacity: 100mt/Month

Product Description

L-Threonine, an organic compound with chemical formula C4H9NO3, is optically active and an essential amino acid, which is mainly used in medicine, chemical reagents, food fortifiers, feed additives and other aspects.
 

TEST ITEM	SPECIFICATION	TEST RESULT
Appearance	White powder, slightly special taste	Conforms
Assay, %	98.5~101.5	99.8
Identification	Infrared absorption	Conforms
Specific rotation, [α]D^20	-26.7~-29.1	-27.6
Loss on drying, %	≤0.20	0.12
Residue on ignition, %	≤0.40	0.05
Chloride (Cl), %	≤0.05	<0.05
Sulfate (SO4), %	≤0.03	<0.03
Iron (Fe), ppm	≤30	<30
Heavy metals (as Pb), ppm	≤15	<15
Individual impurities, %	≤0.50	<0.50
Total impurities, %	≤2.0	<2.0

    
FAQ 

1. What's your payment terms? 
T/T, D/P, L/C
 
2. What's your delivery time? 
Usually we will arrange the shipment within 14 days. 

3. How about the packing? 
Usually with 25 kg bag/carton/drum. 

4. How about the validity of the products? 
Usually 2 or 3 years. 

5. What documents you provide? 
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA.

6. What is loading port? 
Usually, Qingdao, Tianjin, Ningbo and Shanghai sea port