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L-Leucine CAS 61-90-5

Chemical Property:

Molecular Formula C6H13NO2
Molar Mass 131.17
Density 1,293 g/cm3
Melting Point >300 °C (lit.)
Boling Point 122-134 °C(Press: 2-3 Torr)
Specific Rotation(α) 15.4 º (c=4, 6N HCl)
Flash Point 145-148°C
JECFA Number 1423
Water Solubility 22.4 g/L (20 C)
Solubility Very slightly dissolved in ethanol or ether, soluble in formic acid, dilute hydrochloric acid, alkaline hydroxide and carbonate solution.
Vapor Presure <1 hPa (20 °C)
Appearance White crystal
Color White to Off-white
Maximum wavelength(λmax) ['λ: 260 nm Amax: 0.05',
, 'λ: 280 nm Amax: 0.05']
Merck 14,5451
BRN 1721722
pKa 2.328(at 25℃)
PH 5.5-6.5 (20g/l, H2O, 20℃)
Storage Condition 2-8°C
Stability Stability Moisture and light sensitive. Incompatible with strong oxidising agents.
Refractive Index 1.4630 (estimate)
MDL MFCD00002617
Physical and Chemical Properties melting point 286-288°C
sublimation point 145-148°C
specific rotation 15.4 ° (c = 4, 6N HCl)
water-soluble 22.4g/L (20 C)
Use Used as pharmaceutical raw materials and food additives

Product Detail

Product Tags

Safety Description 24/25 – Avoid contact with skin and eyes.
WGK Germany 3
RTECS OH2850000
TSCA Yes
HS Code 29224995

 

Introduction

L-leucine is an amino acid that is one of the building blocks of proteins. It is a colorless, crystalline solid that is soluble in water.

 

There are two main methods for the preparation of L-leucine: natural method and chemical synthesis method. Natural methods are often synthesized by the fermentation process of microorganisms, such as bacteria. The chemical synthesis method is prepared through a series of organic synthesis reactions.

 

Safety Information of L-Leucine: L-Leucine is relatively safe in general. Excessive intake may cause gastrointestinal upset, diarrhea, and other symptoms. For people with renal insufficiency or metabolic abnormalities, care should be taken to avoid excessive intake.


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