Chemicals

D-(+)-Threonine

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CAS No: 632-20-2

Product Name: D-(+)-Threonine

Other Name:

D-(+)-Threonine

D-allo-Threonine

H-D-Thr-OH

D-α-Amino-β-hydroxybutyric acid

H-D-ALLO-THR-OH

(2R,3R)-2-Amino-3-hydroxybutanoic acid

DL-Allo-Threonine

2-amino-3-hydroxybutanoic acid

D-2-Amino-3-hydroxybutyric acid

(2R,3R)-2-Amino-3-hydroxybutyric acid

DL-Allothreonine

Density: 1.3±0.1 g/cm3

Boiling Point: 345.8±32.0 °C at 760 mmHg

Melting Point: 274ºC

Molecular Formula: C4H9NO3

Molecular Weight: 119.119

Flash Point: 162.9±25.1 °C

Exact Mass: 119.058243

PSA: 83.55000

LogP: -1.23

Vapour Pressure: 0.0±1.7 mmHg at 25°C

Index of Refraction: 1.507

Specification

Appearance: White crystals or crystalline powder

Assay: 98.0%-101.0%

Specific rotation: +27.0°～+29.0°

State of solution: ≥95.0%

Chloride(Cl): ≤0.10%

Arsenic(AS2O3): ≤2ppm

Heavy metals, as Pb: ≤10ppm

Loss on drying: ≤0.20%

Residue on ignition: ≤0.20%

Application

Amino Acid Derivatives. Be used as pharmaceutical intermediates.

Food and feed additives.

Package: 25kg/drum, can also be designed according to customer requirements.

Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

D-(+)-Threonine

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