L-Tryptophan#73-22-3

Name: L-Tryptophan#73-22-3
SKU: 0

Classification：Pharmaceutical Raw Materials

We specialize in the fields of maternal and child care and home cleaning, providing end-to-end ODM/OEM solutions from product development to packaging design. Relying on intelligent production lines, we support small batch customization and fast sampling, providing personalized services such as formula adjustment, fragrance innovation, and environmentally friendly packaging materials. Through a global delivery network, we assist brands in efficiently expanding their markets and achieving one-stop intelligent manufacturing upgrades for products from concept to terminal.

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product description

L-Tryptophan#73-22-3

L-tryptophan is the L-enantiomer of tryptophan. It has a role as an antidepressant, a nutraceutical, a micronutrient, a plant metabolite, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is an erythrose 4-phosphate/phosphoenolpyruvate family amino acid, a proteinogenic amino acid, a tryptophan and a L-alpha-amino acid. It is a conjugate base of a L-tryptophanium.

L-Tryptophan Chemical Properties

Melting point	289-290 °C (dec.)(lit.)
alpha	-31.1 º (c=1, H20)
Boiling point	342.72°C (rough estimate)
density	1.34
bulk density	400kg/m3
refractive index	-32 ° (C=1, H2O)
storage temp.	2-8°C
solubility	20% NH3: 0.1 g/mL at 20 °C, clear, colorless
form	powder
pka	2.46(at 25℃)
color	White to yellow-white
PH	5.5-7.0 (10g/l, H2O, 20℃)
Odor	wh. cryst. or cryst. odorless powd., sl. bitter taste
biological source	non-animal source
Optical Rotation	[α]20/D 31.5±1°, c = 1% in H2O
Water Solubility	11.4 g/L (25 ºC)
Merck	14,9797
BRN	86197
Stability:	Stable. Incompatible with strong acids, strong oxidizing agents.
InChIKey	QIVBCDIJIAJPQS-VIFPVBQESA-N
LogP	0.704 (est)
CAS DataBase Reference	73-22-3(CAS DataBase Reference)
NIST Chemistry Reference	L-Tryptophan(73-22-3)
EPA Substance Registry System	L-Tryptophan (73-22-3)
Absorption	cut-off at 326nm in 0.5 M HCl at 0.5M

Safety Information

Hazard Codes	Xi
Risk Statements	33-40-62-41-37/38-36/37/38-22
Safety Statements	24/25-36/37/39-36-26
WGK Germany	2
RTECS	YN6130000
F	8
TSCA	Yes
HS Code	29339990
Hazardous Substances Data	73-22-3(Hazardous Substances Data)
Toxicity	LD508mmol / kg (rat, intraperitoneal injection). It is safe when used in food (FDA, §172.320, 2000).

Product Usage

L-tryptophan is an essential amino acid which is necessary for normal growth in infants and for nitrogen balance in adults. It acts as a natural dietary supplement and used as an antidepressant, anxiolytic and sleep aid. It is used as a precursor to niacin, indole alkaloids and serotonin. It acts as an important intrinsic fluorescent probe, which finds to estimate the nature of microenvironment of the tryptophan.

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