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Home > Biochemical Engineering > Amino Acids and Proteins > (±)-Methionine for Sale > DL-Methionine Factory Price Pharmaceutical Chemical Purity Degree 99%
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DL-Methionine Factory Price Pharmaceutical Chemical Purity Degree 99%

TDS 39 Inquiries

Unit Price: Get Latest Price
CAS No.:

59-51-8

Grade:

Industrial Grade

Content:

99%

Port:

SHANGHAI

Brand:

/

Packaging:

25KG/Drum

Price valid (until):

2024-05-12

Company Type:
Trader
Location:
China
Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment
Average Lead Time:
20 days
Qualification:
Main Products:

Pharmaceutical materials (APIs),Pharmaceutical Intermediates,Fine chemicals,Biochemical reagents

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Appearance

    White crystals or crystalline powder

    Conforms

    Identification(IR)

    concordant with the reference spectrun

    Conforms

    Assay

    99.0—100.5%

    99.2%

    PH

    5.6—6.1

    5.8

    State of solution

    clear & colorless≥98.0%

    99.2%

    Chloride(C l)

    ≤0.02%

    <0.02%

    Ammonium(NH4)

    ≤0.02%

    <0.02%

    Sulfate(SO4)

    ≤0.02%

    <0.02%

    lron(Fe)

    ≤10ppm

    <10ppm

    Heavy metals( Pb)

    ≤10ppm

    <10ppm

    Arsenic( As)

    ≤1ppm

    <1ppm

    Other armino acids

    conforms

    conforms

    Loss on drying

    ≤O.30%

    0.14%

    Residue on ignition

    ≤0.10%

    0.04%

    Conclusion

    Qualified

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    Q1  Can i get some samples
    A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.
    Q2  How to start orders or make payments
    A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,or Paypal or Escrow(Alibaba).
    Q3  How to confirm the Product Quality before placing orders
    A3  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
    Q4  What's your MOQ
    A4  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
    Q5  How about delivery leadtime
    A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
    Q6  Is there a discount
    A6  Different quantity has different discount.
    Q7  How do you treat quality complaint
    A7  First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
    Q8  How to contact us
    A9  You can chat with us by Trademanager,MSN&Skype Online.
           You can choose your interested products and send inquiry to us.
           You can dial our telephone directly or send Email to us., you will get our reply.

    ECHEMI Editorial Reference
    White crystalline powder White, crystalline platelets or powder having a characteristic odor.One g dissolves in about 30 mL of water. It is soluble in dilute acids and in solutions of alkali hydroxides. It is very slightly soluble in alcohol, and practically insoluble in ether. It is optically inactive. The pH of a 1 in 100 solution is between 5.6 and 6.1. This substance may be prepared by addition of methanethiol to acrolein; by chemical conversion of methylthiopropionic aldehyde. d,l-
    Solid|COLOURLESS CRYSTALS OR WHITE POWDER.|White crystalline platelets or powder; Characteristic aroma
    Methionine is a sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. It has a role as an Escherichia coli metabolite, a Saccharomyces cerevisiae metabolite, a plant metabolite, a Daphnia magna metabolite and an algal metabolite. It is an alpha-amino acid and a sulfur-containing amino acid. It derives from a butyric acid. It is a conjugate base of a methioninium. It is a conjugate acid of a methioninate. It is a tautomer of a methionine zwitterion.|A preparation of methionine that includes a mixture of D-methionine and L-methionine isomers.|A sulfur-containing essential L-amino acid that is important in many body functions.

    Certificates

    Basic Info
    Product Name:

    (±)-Methionine

    Other Name:

    Methionine;Methionine,DL-;DL-Methionine;α-Amino-γ-methylmercaptobutyric acid;DL-2-Amino-4-(methylthio)butyric acid;Banthionine;Cynaron;Dyprin;Lobamine;Meonine;Methilanin;Metione;Neston;(±)-Methionine;Racemethionine;Lactet;Pedameth;Urimeth;Amurex;NSC 9241;Meprom M 85;Rhodimet NP 99;Smartamine M;Smartamine;Timet;MetAMINO;MetiPEARL;Acimetion;2-Amino-4-(methylthio)butanoic acid;2-Amino-4-(methylsulfanyl)butanoic acid;2-Azaniumyl-4-methylsulfanylbutanoate;DL-Methionine;1105707-18-3;192948-75-7

    CAS No.:

    59-51-8

    Molecular Formula:

    C5H11NO2S

    InChIKeys:

    InChIKey=FFEARJCKVFRZRR-UHFFFAOYSA-N

    Molecular Weight:

    149.21

    Exact Mass:

    149.21

    BRN:

    636185

    EC Number:

    200-432-1

    ICSC Number:

    0919

    NSC Number:

    522406|118113|45689|22946|9241

    DSSTox ID:

    DTXSID9020821

    ATC Code:

    V - Various

    HScode:

    29304090

    Characteristics
    PSA:

    88.6

    XLogP3:

    -1.9

    Appearance:

    White Crystals or Crystalline Powder

    Density:

    1.3 g/cm3

    Melting Point:

    281 °C (decomp)

    Boiling Point:

    181 deg C (decomposes)

    Flash Point:

    139.4±26.5 °C

    Refractive Index:

    1.531

    Water Solubility:

    H2O: 2.9 g/100 mL (20 ºC);1 M HCl: 0.5 M at 20 °C, clear, colorless

    Storage Conditions:

    0-6°C

    Vapor Pressure:

    8.14X10-8 mm Hg at 25 deg 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

    Separated from strong oxidants. Well closed.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Pharmaceutical materials (APIs),Pharmaceutical Intermediates,Fine chemicals,Biochemical reagents

    Location:

    Room 601, Building 4,No.571, Str.19, Hangzhou, Zhejian

    Payment Terms:

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

    Average lead Time:

    20 days

    Total Annual Revenue:

    Less than $1 million

    Total Employees:

    11-50

    Year of Establishment:

    2013

    Company Certificates
    • DingyanchemHazardous Chemicals Production License Hazardous Chemicals Production License
    • DingyanchemBusiness license Business license
    Company Profile
    Located in Xiasha Economic Development Park of Hangzhou city (capital of Zhejiang province in the southeast coastal region of China),  Hangzhou Dingyan Chem Co.,Ltd is a modern private enterprise; we are mainly engaged in the development, trade and independent.import and export business of hi-tech products such as pharmaceutical materials (APIs), pharmaceutical  intermediates, fine chemicals and biochemical reagents, etc. Insisting on  the development path of “scientific and technological innovation” since our foundation, we has laid great stresses on the research and development of scientific and technological innovation. Now, our products are well sold in more than 60 countries and regions in North America, Western Europe, Southeast Asia, Central and South America, and then established long-term and steady relations of cooperation with many pharmaceutical enterprises in Europe, USA, Greece, Germany, South Korea and India, etc. WE are highly appraised and trusted by customers for rigorous attitude and sincere service. Taking “market as guidance, technological innovation as support, and environmental protection and safety as mission, to build brand image by honest business and dedicated work”, we are committed to the development of biochemicals and fine chemicals, etc.  
  • Inquiry History
    39 Inquiries
    Country Product Purchase Quantity Date Posted
    United Kingdom

    Dl-Methionine

    200 TON Jun 27, 2025
    India

    DL-Methionine

    1.00 KG May 8, 2026
    Indonesia

    dl methionine food grade 5 MT

    5 MT Apr 13, 2026
    Indonesia

    DL Methionine Food Grade

    5 MT Apr 13, 2026
    India

    DL Methionine

    10.00 MT Mar 17, 2026
    United Arab Emirates

    DL-METHIONINE

    54 TON Jun 17, 2025
    China

    DL-Methionine

    2 KG Dec 24, 2024
    Czech

    DL-Methionine

    50000 KG Dec 16, 2024
    United Arab Emirates

    DL-Methionine

    1 MT Aug 21, 2024
    United States

    DL-Methionine

    1000 KG May 29, 2024
    Russia

    DL-Methionine

    40 MT Apr 7, 2024
    China

    methionine

    1 KG Mar 11, 2024
    South Africa

    Methionine

    1000 KG Mar 11, 2024
    Malaysia

    Dl Methionine

    1.00 20' Fcl Feb 20, 2024
    Germany

    Methionine

    0.005 KG Jan 30, 2024
    India

    DL-Methionine

    1.00 20' Fcl Oct 9, 2023
    Spain

    DL-methionine

    25 MT Sep 25, 2023
    Bangladesh

    DL Methionine

    1 KG Jul 27, 2026
    India

    DL Methionine

    1 KG Mar 17, 2026
    India

    DL methionine

    1 KG Mar 16, 2026
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