L-Tryptophan

Get a Price/Quote

L-Tryptophan Specification

HS Code
29242990

Smell
Odorless

Molecular Weight
204.23 g/mol

Structural Formula
C11H12N2O2

Taste
Slightly bitter

Molecular Formula
C11H12N2O2

Classification
Amino Acids

Organic Acid Types
Aromatic Amino Acid

Inorganic Acid Types
None

Grade
Food Grade, Pharmaceutical Grade

Purity
99% Min

Application
Pharmaceuticals, Food Additives, Feed Additives

Appearance
White Crystalline Powder

Other Names
Tryptophan

Melting Point
290C (decomposes)

Density
1.34 Gram per cubic centimeter(g/cm3)

Solubility
Slightly soluble in water, insoluble in ethanol and ether

Raw Material
Glucose fermentation

About L-Tryptophan

L-Tryptophan

Name: L-Tryptophan
Synonyms: L(-)-Tryptophan; (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid; L-alphs-Amino-3-indolepropionic acid; Indole-3-alanine; Trp
Molecular Structure:
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
CAS Number: 73-22-3
EINECS: 200-795-6

L-Tryptophan is a natural anti-depressant, plentiful in protein foods but largely lost through cooking and processing. L-Tryptophan is a naturally occurring amino-acid. It is a precursor for the mood-regulating serotonin the brain neurotransmitter linked with pleasure and fulfilment. L-Tryptophan's is used to alleviate depression, support withdrawal and to aid weight loss. L-Tryptophan plays an important role in our diets, and aging individuals are often in need of it as a supplement.

Tryptophan is a kind of white or a kind of white to yellowish crystalline powder, smell-less or slight smelly, L- type has the bitter taste, the DL- and the D- type have little sweet taste. 289 ^oC decompounds, slightly soluble in water, does not dissolve in the ethyl: Dissolves in the diluted acid or the diluted alkali, the long time illumination will color up; heat together with water can produce the water a small amount of indole, like when heat up under the sodium hydroxide, the cupric sulfate existence, then will produce massive indole; heats up with the acid in the hidden place will be more stable; when coexist with Medicine bulk drugs, carbohydrate, and aldehyde, it is extremely easy to decompose.

Tryptophan is heterocyclic amino acid, is a kind of important and necessary amino acids for human body. It is widely applied in pharmaceutical and food fields.

Product name	L-Tryptophan
Test Items	Specifications (USP24)
Appearance	Off-white crystals
Assay	98.5-101.5%
Specific rotation	-29.4^o to -32.8^o
pH	5.5-7.0
Loss on drying	0.3% Max
Residue ignition	0.1% Max
Chloride	0.05% Max
Ammonium	0.02% Max
Sulfate	0.03% Max
Iron	30ppm Max
Heavy metals	15ppm Max

Package: 25kgs per drum.

Storage: Stored in a dry and cool place, keep away from strong light and heat.

Shelf life: Two years when stored properly in a well-closed container.

Tell us about your requirement