Chemical Products DL-Tryptophan Production Methods

 CAS No:54-12-6

Formula:C11H12N2O2

Synonyms:H-DL-Trp-OH


Chemical Products DL-Tryptophan Description

DL-Tryptophan is an endogenous metabolite.


Chemical Products DL-Tryptophan Basic Attributes

CAS No：54-12-6


Molecular Formula ：C11H12N2O2


Molecular Mass ：204.23


Exact Mass ：204.089874


PSA ：79.1 A^2


LogP ：-1.1


EINECS ：200-194-9


InChIKeys ：QIVBCDIJIAJPQS-UHFFFAOYSA-N


H-bond Acceptor ：3


H-bond Donor ：3


SP3 ：0.18


RBN ：3


Chemical Products DL-Tryptophan Characteristics

Appearance ：White to light beige or light yellow Powder


Density ：1.4±0.1 g/cm3


Melting Point ：289-290 °C (dec.)(lit.)


Bolling Point ：447.9±35.0 °C at 760 mmHg


Flash Point ：224.7±25.9 °C


Refractive Index ：1.698


Solubility ：H2O: 10 g/L (20 ºC);methanol: water (7:3): soluble


Storage Condition ：Store at RT.


BRN ：86196


Stability ：Stable. Incompatible with strong oxidizing agents, strong acids.





Chemical Products DL-Tryptophan Safety Information

HS Code ：29339990


UN No. ：NONH for all modes of transport


WGK_Germany ：1


Risk Code ：22-36/37/38-37/38-41


Safety Instructions ：24/25-36/37/39-36-26


RTECS No. ：YN6129200


Dangerous Mark ：Xi


P Code ：P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501


Hazard Statements ：H315


Chemical Products DL-Tryptophan Product Usage

An amino acid precursor of serotonin and melatonin.


Chemical Products DL-Tryptophan Production Methods

Using indole and α-acetamidoacrylic acid as raw materials, after the reaction in glacial acetic acid-acetic anhydride medium is complete, NaOH is adjusted to basicity, extracted with ether, and then extracted 3 times with dilute sodium hydroxide, combined with sodium hydroxide solution, added A few grains of sodium bisulfite, cooled to 5 ℃, adjusted to neutral with concentrated hydrochloric acid, precipitated acetyl-DL-tryptophan, refluxed in 10% sodium hydroxide solution, concentrated and crystallized to obtain DL-tryptophan.


Chemical Products DL-Tryptophan Material and Products

Material ：

2-Methoxyethanol, DL-Serine, 2-Acetamidoacrylicacid, Aceticanhydride, INDOPHENOLBLUE, N-[(tert-Butoxy)carbonyl]-D-tryptophan, SULFUROUSACID, Acrolein, INDOPHENOL, L-Tyrosine, Sodium sulfate, Formaldehyde, Phenylhydrazinehydrochloride, methyltryptophan, 2-Methylindole, Dimethylamine, 3-chloroalanine, L-Tryptophan, Starch, N-Acetyl-L-tryptophan


Products ：

5-(1H-INDOL-3-YLMETHYL)-3-METHYL-2-THIOXO-4-IMIDAZOLIDINONE, 3-(3-Indolyl)-2-oxopropanoicacid, 3-Methyl-1H-indole, 2-(1H-indol-3-yl)acetaldehyde, PHENYLTHIOHYDANTOIN-TRYPTOPHAN, 2-Aminoacetophenone, D-Tryptophan, HARMANE-1,2,3,4-TETRAHYDRO-3-CARBOXYLICACID, Indole, Indole-3-carboxaldehyde

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