Nutritional Supplement Amino Acids CAS 61-90-5 L-Leucine Powder L Leucine
HALAL KOSHER ISO FDA 8 Inquiries
61-90-5
Pharmaceutical Grade
99%
Foil Bag
2022-12-31
Herb Extracts,Cosmetic raw materails,API
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Product Description
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Seller Information
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Inquiry History
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Description
Product nameL-Leucine Assay99%Test MethodHPLCParticle Size98% pass 80 meshShelf Life24 Months when properly stored.AppearanceWhite PowderL-Leucine is widely used in food, beverage and additive. Pharmaceutical raw materials and health care additives. It can inhibit the generation of muscle fatigue factors, reduce fatigue and tension, restore physical fitness, accelerate human protein synthesis, make muscles stronger, enhance muscle elasticity, reduce cholesterol, blood fat and blood sugar levels, improve muscle atrophy in the elderly, and delay aging.
Application:
Raw materials of health products;
Food additives;
Vitamins and amino acids;
Nutrition fortifier;
Specification:Items
Specification
Results
Appearance
White crystalline Powder
Conforms
Assay
99.50%Min
99.92%
Solution
Clear and Colorless
Clear and Colorless
Residue on Ignition
0.1% Max.
0.01%
Loss on Drying
12.0% Max
11.10%
Bulk Density
0.50g/ml
0.52g/ml
Heavy Metals
10ppm Max
<10ppm
Pb
1ppm Max
<1ppm
As
1ppm Max.
<1ppm
Hg
1ppm Max.
<1ppm
Total Plate Count
<1000cfu/g
Conforms
Yeast
<25cfu/g
Conforms
Moulds
<25cfu/g
Conforms
E Coli
Negative
Negative
Salmonella
Negative
Negative
Staphylococcus Aureus
Negative
Negative
Coliforms
Negative
Negative
CertificatesBasic Info-
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
Molecular Formula:C6H13NO2
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
HScode:29224995
Categories:
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)
Henrys 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)
Collision Cross Section:135.16 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|138.71 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|128 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|134.8 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|130.6 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132.51 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|135.56 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|131.8 Ų [M-H]-
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)
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Herb Extracts,Cosmetic raw materails,API
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Location:
1403,Jinye B Block
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Payment Terms:
TT against copy of documents
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Average lead Time:
8
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
11-50
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Year of Establishment:
2015
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Inquiry History8 Inquiries
Country Product Purchase Quantity Date Posted 
United States
L-leucine
10 MT Jun 10, 2025 
India
L-Leusine
25 KG Apr 21, 2025 
Switzerland
L- Leucine instant water soluble
2 MT Jan 25, 2024 
Greece
LEUCINE (Leu,L)
1000.00 KG Sep 25, 2025
India
L-Leucine
1 MT Apr 23, 2025
India
L Leucine
30.00 TON Aug 30, 2024
India
Leucine
50 G Jun 10, 2024
India
L-Leucine
500 KG Aug 22, 2023 Post an enquiry for this product
