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Home > Food Additives > Preservative > Dimethyl dicarbonate for Sale > China Most Professional Factory Supply High Qulity DIMETHYL DICARBONATE CAS 4525-33-1
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China Most Professional Factory Supply High Qulity DIMETHYL DICARBONATE CAS 4525-33-1

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Unit Price: Get Latest Price
CAS No.:

4525-33-1

Grade:

Food Grade

Content:

99%

Port:

Shanghai

Brand:

Leader

Packaging:

25KG/Drum

Price valid (until):

2024-01-03

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

Biochemicals Ingredients,Vitamin Amino Acid Ingredients,Cosmestic Ingredients,Pharma Chemicals,Organic Fine Chemicals,Food Nutrient Ingredients

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      About Product Technical Details  


    CAS: 4525-33-1
    MF: C4H6O5
    MW: 134.09
    EINECS: 224-859-8
    Product Categories: food additive;QTJ
    Mol File: 4525-33-1.mol
    Shop China Most Professional Factory Supply High Qulity DIMETHYL DICARBONATE CAS 4525-33-1-Detailed Image 1

    Dimethyl dicarbonate Chemical Properties
    Melting point  15-17°C
    Boiling point  45-46 °C5 mm Hg(lit.)
    density  1.25 g/mL at 25 °C(lit.)
    vapor pressure  0.7 hPa (20 °C)
    refractive index  n20/D 1.392(lit.)
    Fp  80 °C
    storage temp.  Store below +30°C.
    solubility  35g/l (decomposition)
    form  Oil
    color  Colourless
    explosive limit 3-29.9%(V)
    BRN  956715
    Stability: Moisture Sensitive
    LogP 0.082 (est)
    EPA Substance Registry System Dicarbonic acid, dimethyl ester (4525-33-1)


      Product Pictures  



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      About Our Group


            Since 1996 when our factory was put into production to year of 2020, our group has successively invested in more than 52 factories with shares and subordinates.We focus on manufacture high quality raw materials and refined ingredients which is widely used at different industries areas like Pharm & chemicals industry, functional active ingredients industry, nutritional Ingredients industry, health care products industry, cosmetics industry,  pharmaceutical and refined food, feed, oil industry, natural plant ingredients industries, agriculture industry etcs to provide top quality of GMP standards products.

            All the invested factories' product lines cover API and intermediates, vitamins, amino acids, plant extracts, daily chemical products, cosmetics raw materials, nutrition and health care products, food additives, feed additives, essential oil products, fine chemical products and agricultural chemical raw materials And flavors and fragrances. Especially in the field of vitamins, amino acids, pharmaceutical raw materials and cosmetic raw materials, agriculture raw materials, we have more than 20 years of production and sales experience. All products meet the requirements of high international export standards and have been recognized by customers all over the world. Our manufacture basement & R&D center located in National Aerospace Economic & Technical Development Zone Xi`an Shaanxi China.

            Now not only relying on self-cultivation and development as well as maintains good cooperative relations with many famous research institutes and universities in China. Now, we have closely cooperation with Shanghai Institute of Organic Chemistry of Chinese Academy of Science, Beijing Institute of Material Medical of Chinese Academy of Medical Science, China Pharmaceutical University, Zhejiang University. Closely cooperation with them not only integrating Science and technology resources, but also increasing the R&D speed and improving our R&D power. Offering Powerful Tech supporting Platform for group development. Keep serve the manufacture and the market as the R&D central task, focus on the technical research.  Now there are 3 technology R & D platforms including biological extract, microorganism fermentation and chemical synthesis, and can independently research and develop kinds of difficult APIs and pharmaceutical intermediates.

           With the strong support of China State Institute of Pharmaceutical Industry (hereinafter short for CSIPI), earlier known as Shanghai Institute of Pharmaceutical Industry (SIPI), we have unique advantages in the R & D and industrialization of high-grade, precision and advanced products.  Now our Group technical force is abundant, existing staff more that 1000 people, senior professional and technical staff accounted for more than 50% of the total number of employees, including 15 PhD research and development personnel, 5 master′ S degree in technical and management personnel 9 people.

           We have advanced equipment like fermentation equipment and technology also extraction, isolation, purification, synthesis with rich production experience and strict quality control system, According to the GMP required, quickly transforming the R&D results to industrial production in time, it is our advantages and our products are exported to North and South America, Europe, Middle East, Africa, and other five continents and scale the forefront in the nation, won good international reputation.  

           We believe only good quality can bring good cooperation, quality is our key spirit during our production, we are warmly welcome clients and partner from all over the world contact us for everlasting cooperation, Leader will be your strong, sincere and reliable partner in China.



      Our Factories Production Lines  



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      Our Factories warehouse 52000㎡


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      Sales Team  


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    Certificates
    • China Most Professional Factory Supply High Qulity DIMETHYL DICARBONATE CAS 4525-33-1 Certificates 7

    Basic Info
    Product Name:

    Dimethyl dicarbonate

    Other Name:

    Dicarbonic acid,1,3-dimethyl ester;Formic acid,oxydi-,dimethyl ester;Dicarbonic acid,dimethyl ester;Dimethyl pyrocarbonate;Dimethyl dicarbonate;Methyl pyrocarbonate;Velcorin;Pyrocarbonic acid dimethyl ester

    CAS No.:

    4525-33-1

    Molecular Formula:

    C4H6O5

    InChIKeys:

    InChIKey=GZDFHIJNHHMENY-UHFFFAOYSA-N

    Molecular Weight:

    134.09

    Exact Mass:

    134.09

    EC Number:

    224-859-8

    UNII:

    1AY9229ZMG

    DSSTox ID:

    DTXSID2052108

    Color/Form:

    Clear, colorless liquid|Colorless liquid

    HScode:

    2920909090

    Categories:

    Preservative

    Characteristics
    PSA:

    61.8

    XLogP3:

    -0.86 (est)

    Appearance:

    Liquid

    Density:

    1.258 g/cm3 @ Temp: 20 °C

    Melting Point:

    100-101.5 °C @ Solvent: Diethyl ether, Ligroine

    Boiling Point:

    52-53 °C @ Press: 4-5 Torr

    Flash Point:

    80 °C

    Refractive Index:

    1.395

    Water Solubility:

    35g/l (decomposition)

    Storage Conditions:

    2-8°C

    Vapor Pressure:

    0.7 hPa (20 °C)

    Toxicity:

    Oral-rat LD50: 260 mg/kg; Oral-Mouse LD50: 589 mg/kg

    Flammability characteristics:

    Flammable; heated to decompose toxic and spicy irritating gas

    Explosive limit:

    3-29.9%(V)

    Henrys Law Constant:

    Henry's Law constant = 4.5X10-4 atm-cu m/mol at 25 °C (est)

    Experimental Properties:

    Hydroxyl radical reaction rate constant = 0.4352X10-12 cu cm/molecule-sec at 25 °C (est)

    Autoignition Temperature:

    Approximately 465 °C (869 °F)

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Acute toxicity - Category 4, Dermal

    Skin corrosion, Sub-category 1B

    Acute toxicity - Category 2, Inhalation

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H302 Harmful if swallowed

    H312 Harmful in contact with skin

    H314 Causes severe skin burns and eye damage

    H330 Fatal if inhaled

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    P284 [In case of inadequate ventilation] wear respiratory protection.

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P317 Get medical help.

    P321 Specific treatment (see ... on this label).

    P362+P364 Take off contaminated clothing and wash it before reuse.

    P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

    P363 Wash contaminated clothing before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P316 Get emergency medical help immediately.

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P320 Specific treatment is urgent (see ... on this label).

    Storage

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    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

    Storage Temperature: minimum: 20 deg C (68 deg F); maximum: 30 deg C (86 deg F). Storage Period: 12 Months: Keep in a dry place. Expiration date on label is day/month/year. Handling/Storage Precautions: Do not breathe vapors or spray mist. Do not get on skin or clothing. Do not get in eyes. Do not taste or swallow. Use only with adequate ventilation/personal protection. Wash thoroughly after handling. Keep container closed when not in use. Store in a dry place away from excessive heat in original or similar containers. Protect from freezing. Further Info on Storage Conditions: Avoid extreme heat. Product can react with water. Avoid contact with moisture/water. Light sensitive. If the material does crystallize, it must be reliquified before being used. The recommended method to reliquify is to simply place the container in an appropriate storage area and allow it to gradually reach ambient temperatures. An alternative is to reliquify by gently heating it in a water bath. Do NOT apply heat/flame directly to container.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Biochemicals Ingredients,Vitamin Amino Acid Ingredients,Cosmestic Ingredients,Pharma Chemicals,Organic Fine Chemicals,Food Nutrient Ingredients

    Location:

    National Aerospace Economic & Technical Development Zone,Chang'an,Xi'an,China

    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:

    $10 million-$25 million

    Total Employees:

    Above 1000

    Year of Establishment:

    2014

    Certifications:

    Level A of Tax Credit Registration Assessment by Government,Good Product Quality Management Certificate of Shanxi Province,China,Company Trade Union Qualification Certificate,Excellent Group Enterprise of Quality and credit in Shaanxi ProvinceChina,AAA TOP Credit Excellent Group Enterprise of Shanxi Province,China,FDA


    24 Hours Team Service

    Email

    info@leader-biogroup.com   

    Hot Line

    +86-029-68895030  

    +86-029-68569961  

    +86-029-68569962  

    Fax

    +86-029-68895030


    Leader Biochemical Group is a large leader incorporated industry manufacturers and suppliers of advanced refined raw materials From the year of 1996 when our factory was put into production to year of 2020, our group has successively invested in more than 52 factories Base with shares and subordinates.We focus on manufacture Pharm & chemicals, functional active ingredients, nutritional Ingredients, health care products, cosmetics, pharmaceutical and refined feed, oil, natural plant ingredients industries to provide top quality of GMP standards products.All the invested factories' product lines cover API and intermediates, vitamins, amino acids, plant extracts, daily chemical products, cosmetics raw materials, nutrition and health care products, food additives, feed additives, essential oil products, fine chemical products and agricultural chemical raw materials And flavors and fragrances. Especially in the field of vitamins, amino acids, pharmaceutical raw materials and cosmetic raw materials, we have more than 20 years of production and sales experience. All products meet the requirements of high international export standards and have been recognized by customers all over the world.

    • Our manufacture basement & R&D center located in National Aerospace Economic & Technical Development Zone Xi`an Shaanxi China. Now not only relying on self-cultivation and development as well as maintains good cooperative relations with many famous research institutes and universities in China. Now, we have closely cooperation with Shanghai Institute of Organic Chemistry of Chinese Academy of Science, Beijing Institute of Material Medical of Chinese Academy of Medical Science, China Pharmaceutical University, Zhejiang University. Closely cooperation with them not only integrating Science and technology resources, but also increasing the R&D speed and improving our R&D power. Offering Powerful Tech supporting Platform for group development. Keep serve the manufacture and the market as the R&D central task, focus on the technical research.

      Now there are 3 technology R & D platforms including biological extract, microorganism fermentation and chemical synthesis, and can independently research and develop kinds of difficult APIs and pharmaceutical intermediates. With the strong support of China State Institute of Pharmaceutical Industry (hereinafter short for CSIPI), earlier known as Shanghai Institute of Pharmaceutical Industry (SIPI), we have unique advantages in the R & D and industrialization of high-grade, precision and advanced products.

      Now our Group technical force is abundant, existing staff more that 1000 people, senior professional and technical staff accounted for more than 50% of the total number of employees, including 15 PhD research and development personnel, 5 master′ S degree in technical and management personnel 9 people. We have advanced equipment like fermentation equipment and technology also extraction, isolation, purification, synthesis with rich production experience and strict quality control system, According to the GMP required, quickly transforming the R&D results to industrial production in time, it is our advantages and our products are exported to North and South America, Europe, Middle East, Africa, and other five continents and scale the forefront in the nation, won good international reputation.

      We believe only good quality can bring good cooperation, quality is our key spirit during our production, we are warmly welcome clients and partner from all over the world contact us for everlasting cooperation, Leader will be your strong, sincere and reliable partner in China.

    • Process Capability :   It has more than 100 sets of multi-functional reaction reactors, such as 100l~6300l enamel, stainless steel, Hastelloy, etc. It can realize Grignard, coupling, bromination, Wittig reaction and other conventional reactions. There are microchannel reactor workshops, which can realize continuous production, energy conservation and emission reduction. It can realize high pressure, high vacuum rectification, ultra-low temperature (-80 ℃ ~-100 ℃), ultra-high temperature (300 ℃ ~400 ℃) and other special reactions. It can realize the customization and processing of customers' products.

                                      

        Factory Overview

                                                                                 Factory Production Lines

    Our Professional Lab

                               Factory Warehouse 

    Factory Logistics Departments

    GROUP HONOR

    Honor Name: Level A of Tax Credit Registration Assessment   
    Issued By:National Administration of Taxation & Shaanxi Tax Bureau   
    Authorised Date:2018-09-16  
    Description: National Administration of Taxation & Shaanxi Tax Bureau




    Honor Name: AAA TOP Credit Excellent Group Enterprise of Shanxi Province,China  
    Issued By:China Association of Shaanxi product Quality management Center   
    Authorised Date:2018-12-31  
    Description:AAA TOP Credit Excellent Group Enterprise of Shanxi Province,China



    Honor Name:Excellent Group Enterprise of Quality and credit in Shaanxi ProvinceChina

    Issued By: China Association of Shaanxi product Quality management Center

    Authorised Date:2018-12-31

    Description: Excellent Group Enterprise of Quality and Integrity in Shaanxi Province,China



    Honor Name: Products Patent Certificates


  • Inquiry History
    5 Inquiries
    Country Product Purchase Quantity Date Posted
    United States

    Factory Supply DIMETHYL DICARBONATE / velcorin / CAS 4525-33-1 / velcorin 98% Colorless liquid C4H6O5

    6 KG Oct 2, 2023
    Russia

    DMDC

    30 TON Oct 24, 2024
    China

    Dimethyl dicarbonate

    100 G Sep 30, 2025
    Russia

    e242 dimethyl dicarbonate (DMDC) CAS4525-33-1

    25 KG Jul 3, 2025
    India

    Dimethyl Dicarbonate (DMDC), IP grade

    500.00 G Dec 9, 2024
    Post an enquiry for this product
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