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L-Leucine

61-90-5

(CH3)2CHCH2CH(NH2)CO2H

131.17

(S)-2-Amino-4-methylpentanoic acid;

FCC/USP/AJI/EP

L Leucine
ProductSpecifications
L-LeucineFCC
L-LeucineUSP
L-LeucineAJI
L-LeucineEP

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L-Leucine Properties

Melting point:
>300 °C(lit.)
alpha 
15.4 º (c=4, 6N HCl)
Density 
1,293 g/cm3
FEMA 
3297 | L-LEUCINE
Flash point:
145-148°C
storage temp. 
Store at RT.
solubility 
1 M HCl: 50 mg/mL
form 
powder
pka
2.328(at 25℃)
color 
White to Off-white
PH
5.5-6.5 (20g/l, H2O, 20℃)
Water Solubility 
22.4 g/L (20 C)
Sublimation 
145-148 ºC
Merck 
14,5451
BRN 
1721722
Stability:
Stability Moisture and light sensitive. Incompatible with strong oxidising agents.
CAS DataBase Reference
61-90-5(CAS DataBase Reference)
NIST Chemistry Reference
Leucine(61-90-5)
EPA Substance Registry System
L-Leucine(61-90-5)

SAFETY

Safety Statements 24/25
WGK Germany 3
RTECS OH2850000
TSCA Yes
HS Code 29224995

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