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Postion:Product Catalog >Biochemical Engineering>Amino Acids and proteins>L-Leucine
L-Leucine
  • L-Leucine
  • L-Leucine

L-Leucine

Price Get Latest Price
Package 1kg 10kg 25kg
Min. Order: 1kg
Supply Ability: 1000kg
Update Time: 2023-03-15

Product Details

Product Name: L-Leucine CAS No.: 61-90-5
EC-No.: 200-522-0 Min. Order: 1kg
Purity: 98%Min Supply Ability: 1000kg
Release date: 2023/03/15
MF:: C6H13NO2 MW:: 131.17
Appearance:: White to Off-white powder Contact:: Jessie@lychems.cn
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/cm3
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
pka2.328(at 25℃)
color White to Off-white
PH5.5-6.5 (20g/l, H2O, 20℃)
optical activity[α]20/D +15.5°, c = 2 in 6 M HCl
Water Solubility 22.4 g/L (20 C)
λmaxλ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
JECFA Number1423
Sublimation 145-148 oC
Merck 14,5451
BRN 1721722
Stability:Stability Moisture and light sensitive. Incompatible with strong oxidising agents.
CAS DataBase Reference61-90-5(CAS DataBase Reference)
NIST Chemistry ReferenceLeucine(61-90-5)
EPA Substance Registry SystemL-Leucine (61-90-5)

Safety Information
Safety Statements 24/25
WGK Germany 3
RTECS OH2850000
TSCA Yes
HS Code 29224995
Hazardous Substances Data61-90-5(Hazardous Substances Data)

Amino acid drugs. Used as amino acid infusion and comprehensive amino acid preparations. For the diagnosis and treatment of children with idiopathic high blood sugar and glucose metabolism disorders,bile liver disease associated with reduced secretion , anemia, poisoning, muscular dystrophy, poliomyelitis, neuritis and mental illness. Diabetes, cerebral vascular sclerosis and kidney disease associated with proteinuria and hematuria is contraindicated. Gastric and duodenal ulcer patients should not be served.
The product is used as a nutritional supplement,an amino acid infusion preparation and a comprehensive amino acid preparation,a hypoglycemic agent, a plant growth promoter.The product can be used as a spice according to GB 2760-8 .


Company Profile Introduction

LY Global Chemicals Co Ltd.. is a limited liability company specialized in technical research and development, production, development and trade of chemical products. Mainly engaged in the customization and sales of pharmaceutical intermediates, electronic materials, cosmetics raw materials and other fine chemicals. We have many years of export experience, and our customers are all over many countries. Our products are of good quality, competitive price, stable supply, and customers are very satisfied

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