Best Quality Dimethyl dicarbonate with best price 4525-33-1
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    MOQ1 Kilogram / Kilograms
    description

     

    Product Description

    V2-Product Profile

    Dimethyl dicarbonate or DMDC is a colourless liquid with a sharp odour. Its primary use is as a beverage preservative or sterilant (INS No. 242), and acts by inhibiting the enzymes acetate kinase and L-glutamic acid decarboxylase. It has also been proposed that methoxycarbonylation of the histidine part of the enzymes alcohol dehydrogenase and glyceraldehyde 3-phosphate dehydrogenase by DMDC inhibits these essential enzymes also

     

    DMDC is sometimes used as a preservative in wine as a replacement to sulfur dioxide, inactivating wine spoilage yeasts such as Brettanomyces. In the U.S. the approved its use in wines in 1988, with the maximum permitted level being set at 200 mg/L, and only if there was less than 500 yeast cells/mL at time of dosage. Usage has also been approved in Germany (since 1978) and New Zealand. The application of DMDC is particularly useful when wine needs to be sterilised but cannot be sterile filtered, pasteurized, or sulfured.

     

    DMDC has also been used to sterilise coffee, tea, cider, fruit wine and mead.

     

    Basic Information

     V2-Specification

    Product

    Product name

    Dimethyl dicarbonate

    Synonyms

    Methyl pyrocarbonate

    CAS NO.

    4525-33-1

    Molecular formula

    C4H6O5

    Molecular weight

    134.09

    Specifications

    Appearance

    Colorless transparent liquid

    Density

    1.242 g/cm3

    Boiling point

    171.4 ℃ at 760 mmHg

    Assay

    99.8%+

    Others

    Packing

    1Kg;5Kg;10Kg;25Kg or as demand 

    Application

    Phamaceutical Intermediates

    Functions

    V2-Function

     

    Dimethyl dicarbonate is used in the following two types of beverages cold sterilization: high-energy drink fruit drinks (including or excluding carbon dioxide) tea beverages (containing or not containing co2) containing fruit juice beverages (containing or not containing carbon dioxide, juice content to 100%)

    Packaging & Shipping

    Package 1//sc01.alicdn.com/kf/H1126fb2c3a2a4891845938e6f0bc87f7N/238246835/H1126fb2c3a2a4891845938e6f0bc87f7N 

    Our Services

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    Company Information

    Qingdao Sigma Chemical Co., Ltd.is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

    The aim of Qingdao Sigma Chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced
    processing technology and it has gained a high and reliable reputation from customers at both quality and services.

     

    Qingdao Sigma Chemical Co., Ltd has become the "Top 500 Chinese manufacturing companies",

    "Top 20 of global chemical sales".Qingdao Sigma Chemical Co., Ltdhas 21 subsidiaries and holding companies.

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    Team

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    FAQ

    Q1: Are you a manufacturer?
    Answer: Yes, we are factory founded on 2002.
     
    Q2: How to contact with us?
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    Q3:Which kind of payment terms do you accept?
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    Q4:Can you give me a discount price?
    Surely,It depend on your qty
     
    Q5:How can i get a sample?
    free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
     
    Q6: How to confirm the Product Quality before placing orders?
    A: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.
     
    Q7:How do you treat quality complaint?
    A: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.

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