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L-leucine; buy - large image1
L-leucine; buy - image1

L-leucine;

9 Inquiries

Unit Price: Get Latest Price
CAS No.:

61-90-5

Grade:

Food Grade

Content:

99%

Port:

Shanghai

Packaging:

25kg/drum

Price valid (until):

2024-06-21

Company Type:
Trader
Location:
China
Qualification:
Main Products:

2-Aminobenzamide

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Product name: L-leucine

    CAS NO.: 61-90-5

    Appearance: white powder

    Usage: Food additive; 


    Items Specifications






    Basic 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:

    Food Flavorings

    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 Identification

    Classification 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 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

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    2-Aminobenzamide

    Location:

    Room D2-06,3rd Floor No.1 Building, No.88 4th West Ring, Zhongyuan District, Zhengzhou City, Henan Province, China

    Payment Terms:

    TT against copy of documents,L/C,TT against B/L draft before shipment

    Average lead Time:

    7

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    5-10

    Year of Establishment:

    2019

    Certifications:

    Pesticide Business Lisence

    Zhengzhou Key-chemi Bioscience Co., Ltd. (hereinafter "Key-chemi") is a integated firm with R&D, production and trading business. Our company focuses on manufacturing and selling agrichemials and intermediate chemicals. We produce agrichemicals in Jiaozuo City Henan province, and intermediate chemicals in Baoding City. Meanwhile, Key-chemi holds a R&D company with CRO business in Anqing City, Anhui Province. At present, Key-chemi has three industical-scale chemicals, and 11 pilot-scale chemicals and 3 developing products. Our chemicals is mainly used in pesticide, dye and API fields. Welcome to visiting our company.

  • Inquiry History
    9 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
    India

    L-Leucine

    17952 KG Jul 8, 2026
    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
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