L-Leucine/L Leucine CAS No. 61-90-5 Amino Acid Food Grade White Powder

• Powder: Yes
• Customized: Customized
• Certification: GMP, ISO 9001
• State: Podwer
• Purity: >99%
• Appearance: White Powder
• Model NO.: 61-90-5
• CAS No.: 61-90-5
• Einecs: 200-522-0
• Formula: C6h13no2
• Grade: Food Grade
• Transport Package: 25kg/Cardboard Drum
• Specification: 99%
• Origin: China
• HS Code: 29224919

Product Description

Information

Product Name: 

L-Leucine

Other Name: 

L-Leucine;Leucine,L-;Leucine;Pentanoic acid,2-amino-4-methyl-,(S)-;Leu;(S)-2-Amino-4-methylvaleric acid;(S)-(+)-Leucine;(S)-2-Amino-4-methylpentanoic acid;(S)-Leucine;L-α-Aminoisocaproic acid;L-(+)-Leucine;L-Norvaline,4-methyl-;NSC 46709;(2S)-2-Amino-4-methylpentanoic acid;L-2-Amino-4-methylpentanoic acid;(2S)-2-Amino-4-methylpentanoic acid;1: PN: WO2020097235 SEQID: 238 claimed sequence;17: PN: WO2021055880 SEQID: 18 claimed protein;7005-03-0

CAS No.: 

61-90-5  

InChIKeys: 

InChIKey=ROHFNLRQFUQHCH-YFKPBYRVSA-N  

Molecular Weight: 

131.17300  

Exact Mass: 

131.17

EC Number: 

200-522-0  

UNII: 

GMW67QNF9C  

NSC Number: 

760100  

DSSTox ID: 

DTXSID9023203  

NCI Thesaurus Code: 

C29599

Color/Form: 

White glistening hexagonal plates from aqueous alcohol|White crystals  

Categories: 

Nutrition Supplements

Characteristics

PSA: 

63.32000  

XLogP3: 

-1.5  

Appearance: 

Solid  

Density: 

1.14 g/cm³  

Melting Point: 

293 °C  

Boiling Point: 

122-134 °C @ Press: 2-3 Torr

Flash Point: 

90.3ºC  

Refractive Index: 

1.463  

Water Solubility: 

H2O: 22.4 g/L (20 C)  

Storage Conditions: 

Store at RT.  

Vapor Pressure: 

<1 hPa (20 °C)

Specific rotation: 

Specific optical rotation: -10.8 at 25 °C/D (c = 2.2); +15.1 deg at 26 °C/D in 6N HCl (38 mols HCl per mol leucine); +7.6 deg at 20 °C/D in 3N NaOH (30 mols NaOH per mol leucine). Molecular rotation: +21.0 deg at /D (5NHCl); +29.5 deg /D (glacial acetic acid)

PKA: 

2.35(at 13 °C)  H

enrys Law Constant: 

Henry's Law constant = 3.49X10-9 atm-cu m/mol at 25 °C (est)

Dissociation Constants: 

2.35 (at 13 °C)|pKa = 2.35|pKa1 = 2.36 (carboxylic acid); pKa2 = 9.63 (amine) (est)

Experimental Properties: 

Crystals. Freely soluble in water. /Leucine hydrochloride/|Hydroxyl radical reaction rate constant = 4.23X10-11 cu cm/molec-sec at 25 °C (est)

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Keep container tightly closed in a dry and well-ventilated place. Store under inert gas. Air sensitive. Storage class (TRGS 510): Non Combustible Solids.