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L-Threonine

L-Threonine

Basic Information

CAS No.:72-19-5
Molecular Formula: C4H9NO3
Molecular Weight: 119.12

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Product Details

L-Threonine is used to alleviate anxiety and mild depression. It is an important component of many proteins such as tooth enamel, collagen, and elastin. It is an important amino acid in the nervous system and plays a vital role in porphyrin and fat metabolism. It is useful in intestinal disorders and indigestion. It is also used as a prodrug to reliably elevate brain glycine levels.


Chemical Properties

PropertyValue

Melting point

256 °C (dec.) (lit.)

Alpha

-28.4 º (c=6, H2O)

Boiling point

222.38°C (rough estimate)

Density

1.3126 (rough estimate)

Bulk density

370kg/m3

FEMA

4710 | L-THREONINE

Refractive index

-28 ° (C=6, H2O)

Storage temp.

2-8°C

Solubility

H2O: 50 mg/mL

form

Powder

Pka

2.09(at 25℃)

Color

Yellow

PH

5-6 (100g/l, H2O, 20℃)

Odor

ADM L-Threonine is a high quality product specifically designed for the feed industry. Produced from advanced technology, ADM L-Threonine is composed of 100% isomerically pure L-Threonine, which translates into 100% bioavailability for swine, poultry, and other animals.mild savory

Odor Type

Savory

Biological source

Non-animal source

Optical Rotation

[α]20/D 28.5±0.5°, c = 5% in H2O

Water Solubility

90 g/L (20 ºC)

Merck

14,9380

JECFA Number

2119

BRN

1721646

Stability:

Stable. Incompatible with strong oxidizing agents.

InChIKey

AYFVYJQAPQTCCC-GBXIJSLDSA-N

LogP

-2.94

CAS DataBase Reference

72-19-5(CAS DataBase Reference)

NIST Chemistry Reference

Threonine(72-19-5)

EPA Substance Registry System

L-Threonine (72-19-5)


Safety Information

PropertyValue
Hazard symbolXi
Hazard class codes36/37/38
Safety descriptions24/25-37/39-26
WGK Germany3
RTECS numberXO8590000
Hazard NoteIrritant
TSCATSCA listed
HS code29225000
Storage class11 - Combustible solids
Hazardous substances data72-19-5 (Hazardous Substances Data)


Product Usage

L-Threonine is an essential amino acid that plays a pivotal role in maintaining protein balance and supporting the immune system. Its most extensive application is in the animal feed industry, where it is used as a highly efficient nutritional additive to balance amino acid profiles, particularly in swine and poultry diets, to promote growth and enhance intestinal health. In the pharmaceutical sector, L-Threonine is an indispensable component of parenteral and enteral nutrition infusions, aiding in patient recovery and tissue repair. Its role in the food industry includes serving as a nutritional fortifier and a flavor enhancer, often participating in Maillard reactions to create savory aromas. Furthermore, it is a key ingredient in cosmetics and skincare, where it supports the production of collagen and elastin, helping to maintain skin elasticity and barrier function.

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