Feed grade L threonine/Food grade l threonine/USP L threonine

Specifications L- threonine USP

1.Cas no.:72-19-5

2.Assay 99.0-100.5%

3.White crystals or crystalline powder

4.25kgs/drum

L threonine USP Details
White crystals or crystalline powder; slightly sweet taste. Very soluble in formic acid, soluble in water; practically insoluble in ethanol and ether.

L threonine USP Applications
(1)Important nutrition intensifier,
(2)The ingredient of compound amino acid transfusion
(3)Tthe material of half amide
(4)Used in feed stuff. it is essential for human body, it can be used as nutrition intensifier,pharm-grade products can be used in compound amino acid transfusion and amino acid preparation.

L threonine USP Specifications L-threonine food grade

ITEM	STANDARD
Apperance	White  Crystalline powder
Identification	Meets the requirements
Assay  %	98.5-101.5
Lead ≤ mg/kg	5
Loss on Drying ≤ %	0.2
Specific rotation[a]D20°	-26.5°~ -29.0°
Residue on Ignition ≤ %	0.1

L-threonine feed grade

ITEM	STANDARD
Appearance	White or sandy beige crystal powder, no obvious purity
Identification	Corresponds to standard
C4H9NO3 Content(dry basis) ≥%	98.5
Specific Rotation [a] D20	-25.0°- -29.0°
Loss on drying ≤ %	0.5
Residue on Ignition  ≤%	0.5
Arsenic (As AS) ≤Mg/Kg	2.0
Heavy Metals(As Pb) ≥ Mg/Kg	30