Amino Acid L-Leucine High Quality

• Type: Leucine
• Chemical Character: Acidity
• Appearance: Powder
• Transport Package: 25kg/Drum
• Specification: 99%
• Trademark: Richnow
• Model NO.: 61-90-5
• Origin: China
• HS Code: 2922491990
• Production Capacity: 10000kg Per Year

Product Description

L-Leucine Chemical Properties

Melting point	>300 °C (lit.)
alpha	15.4 º (c=4, 6N HCl)
Boiling point	122-134 °C(Press: 2-3 Torr)
density	1,293 g/cm^3
vapor pressure	<1 hPa (20 °C)
refractive index	1.4630 (estimate)
FEMA	3297 | L-LEUCINE
Fp	145-148°C
storage temp.	2-8°C
solubility	1 M HCl: 50 mg/mL
form	powder
pka	2.328(at 25ºC)
color	White to Off-white
PH	5.5-6.5 (20g/l, H2O, 20ºC)
optical activity	[α]20/D +15.5°, c = 2 in 6 M HCl
Water Solubility	22.4 g/L (20 C)
λmax	λ: 260 nm Amax: 0.05 λ: 280 nm Amax: 0.05
JECFA Number	1423
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)