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Home > Biochemical Engineering > Amino Acids and Proteins > (-)-Asparagine for Sale > Factory Supply Amino Acid L-Asparagine Powder Food Grade L-Asparagine CAS 70-47-3
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Factory Supply Amino Acid L-Asparagine Powder Food Grade L-Asparagine CAS 70-47-3

8 Inquiries

Unit Price: Get Latest Price
CAS No.:

70-47-3

Grade:

Food Grade

Content:

99.9%

Port:

Tianjin

Brand:

Dongfang

Packaging:

25 kg/Cardboard Drum or Plastic Woven Bag

Price valid (until):

2024-08-17

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

Food Additives

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


        L-asparagine is a key α-amino acid that is used in the biosynthesis of proteins. It contains a α-amino group and a α-carboxylic acid group as well as a side chain carboxamide. It is classified as a polar [at physiological pH], aliphatic amino acid. It is non-essential in humans, and can undergo de novo synthesis inside the human body. From the aspect of genetic code during protein synthesis, it is encoded by the codons AAU and AAC.
        L-asparagine is a chemical, the CSA number is 70-47-3, and the chemical formula is C4H8N2O3.  It is one of the 20 amino acids commonly found in living organisms.  It was isolated from the water extract of lupine with high content of L-asparagine and bean sprout of soybean.  It is prepared by amidation of L-aspartic acid with ammonium hydroxide.

    ItemsSpecifications
    AppearanceWhite powderComplies
    OdorCharacteristicComplies
    TastedCharacteristicComplies
    Assay99%Complies
    Sieve Analysis100% pass 80 meshComplies
    Loss on Drying5% Max.1.02%
    Sulphated Ash5% Max.1.30%
    Extract SolventEthanol & WaterComplies
    Heavy Metal5ppm MaxComplies
    As2ppm MaxComplies
    Residual Solvents0.05% Max.Negative
    Total Plate Count1000/g MaxComplies
    Yeast & Mold100/g MaxComplies
    E.ColiNegativeComplies
    SalmonellaNegativeComplies


      Product Function  


    1.Asparagine has good function of revealing fresh and the preservation. Asparagine widely uses as medicinal preparation or revealing fresh and antiseptic in food profession,and can replace monosodium glutamate.


    2.Asparagine can be raw material of heart disease medicine and liver function promoter,ammonolysis toxic agent, weary elimination medicinal preparation and amino acid infusion. 


      Product Application  


    1.Used in food industry and medicine


    2.Has good function of revealing fresh and the preservation. It widely uses as medicinal preparation or revealing fresh and antiseptic in food profession,and can replace monosodium glutamate. It can be raw material of heart disease medicine and liver function promoter,ammonolysis toxic agent, weary elimination medicinal preparation and amino acid infusion. There are a wide range of uses in industry.

    Basic Info
    Product Name:

    (-)-Asparagine

    Other Name:

    L-Asparagine;Asparagine,L-;Agedoite;Altheine;α-Aminosuccinamic acid;L-β-Asparagine;Asparagine acid;Asparamide;Aspartamic acid;Aspartic acid amide;Aspartic acid β-amide;Asparagine;Butanoic acid,2,4-diamino-4-oxo-,(S)-;(-)-Asparagine;Asn;(S)-2,4-Diamino-4-oxobutanoic acid;l-Asparagine;(S)-Asparagine;L-2,4-Diamino-4-oxobutanoic acid;L-Aspartamine;Crystal VI;NSC 82391;(2S)-2-Amino-3-carbamoylpropanoic acid;(2S)-4-Amino-2-azaniumyl-4-oxobutanoate;328-41-6;7006-34-0;32640-57-6

    CAS No.:

    70-47-3

    Molecular Formula:

    C4H8N2O3

    InChIKeys:

    InChIKey=DCXYFEDJOCDNAF-REOHCLBHSA-N

    Molecular Weight:

    132.12

    Exact Mass:

    132.12

    BRN:

    1723527

    EC Number:

    200-735-9

    UNII:

    7NG0A2TUHQ

    NSC Number:

    760099

    NCI Thesaurus Code:

    C29607

    Color/Form:

    Orthorhombic bisphenoidal crystals

    HScode:

    29241900

    Characteristics
    PSA:

    106

    XLogP3:

    -3.4

    Appearance:

    White Powder

    Density:

    1.543 g/cu cm at 15/4 deg C

    Melting Point:

    234-235 °C

    Boiling Point:

    244.01°C (rough estimate)

    Flash Point:

    218.7±27.3 °C

    Refractive Index:

    1.533

    Water Solubility:

    H2O: 20 g/L (20 ºC)

    Storage Conditions:

    Store at 0-5°C

    Vapor Pressure:

    4.8X10-8 mm Hg at 25 deg C (est)

    Specific rotation:

    34.5 º (c=10, 2N HCl)

    PKA:

    8.82(at 18 °C)

    Henrys Law Constant:

    Henry's Law constant = 2.3X10-16 atm cu m/mol at 25 °C (est)

    Dissociation Constants:

    8.82 (at 18 °C)|pKa1 = 2.02; pKa2 = 8.80

    Collision Cross Section:

    131.54 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|131.94 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field]|127.11 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|118 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|129.5 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|121.9 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|124.2 Ų [M-H]-

    Experimental Properties:

    White crystals /L(-) Asparagine monohydrate/|Neutral taste /L-isomer/|Sweet taste /D-isomer/|Hydroxyl radical reaction rate constant = 7.7X10-11 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:

    Food Additives

    Location:

    Room 2-5633, Building A, No.6 Huafeng Road, Huaming High-tech Industrial Zone, Dongli District, Tianjin

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    5

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    201-300

    Year of Establishment:

    2022

  • Inquiry History
    8 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    L-Asparagine

    1 MT Apr 23, 2025
    Pakistan

    L-Asparagine

    50.00 KG May 6, 2025
    India

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    India

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    India

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    10.00 KG Jan 29, 2024
    India

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    50.00 KG Jan 29, 2024
    India

    L-Tyrosine

    100.00 KG Dec 18, 2023
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    L-Cysteine hydrochloride Anhydrous

    100.00 KG Dec 18, 2023
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