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Home > Inorganic Chemistry > Inorganic Salts > Sodium pyrosulfite for Sale > China Most Professional Factory Supply High Qulity Sodium Metabisulfite/Sodium Metabisulphite CAS 7681-57-4
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China Most Professional Factory Supply High Qulity Sodium Metabisulfite/Sodium Metabisulphite CAS 7681-57-4

GMP HALAL KOSHER ISO FDA TDS 109 Inquiries

Unit Price: Get Latest Price
CAS No.:

7681-57-4

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  


    Sodium metabisulfite Chemical Properties
    Melting point  >300 °C (lit.)
    density  1.48
    storage temp.  Store at +5°C to +30°C.
    solubility  540 g/L (20°C)
    form  Powder/Solid
    color  White to slightly yellow
    Specific Gravity 1.48
    Odor Sulphorous
    PH 3.5-5 (50g/l, H2O, 20℃)
    PH Range 4.5 at 50 g/l at 20 °C
    Water Solubility  540 g/L (20 ºC)
    Sensitive  Air & Moisture Sensitive
    Merck  14,8638
    Exposure limits ACGIH: TWA 5 mg/m3
    NIOSH: TWA 5 mg/m3
    Stability: Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
    InChIKey HRZFUMHJMZEROT-UHFFFAOYSA-L
    CAS DataBase Reference 7681-57-4(CAS DataBase Reference)
    EPA Substance Registry System Sodium metabisulfite (7681-57-4)


      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 R&D ability  



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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 Sodium Metabisulfite/Sodium Metabisulphite CAS 7681-57-4 Certificates 7

    Basic Info
    Product Name:

    Sodium pyrosulfite

    Other Name:

    Disulfurous acid,sodium salt (1:2);Pyrosulfurous acid,disodium salt;Disulfurous acid,disodium salt;Sodium pyrosulfite (Na2S2O5);Sodium pyrosulfite;Sodium metabisulfite;Sodium metabisulfite (Na2S2O5);Disodium pyrosulfite;Fertisilo;Disodium disulfite;Sodium disulfite (Na2S2O5);Disodium metabisulfite;Disodium pyrosulfite (Na2S2O5);Campden Tablets;Colorstrip Catalyst 100;E 223;Sobis;Sobisu;Sodium sulfur oxide (Na2S2O5);NSC 158277;NSC 227243;15771-29-6;1287784-10-4;2242622-57-5

    CAS No.:

    7681-57-4

    Molecular Formula:

    H2O5S2.2Na

    InChIKeys:

    InChIKey=ZBVPOSMABOMSMZ-UHFFFAOYSA-N

    Molecular Weight:

    190.095

    Exact Mass:

    189.898254

    EC Number:

    231-673-0

    UNII:

    4VON5FNS3C

    ICSC Number:

    1461

    UN Number:

    1759

    DSSTox ID:

    DTXSID0029684

    Color/Form:

    White hexagonal crystals or powder|White to yellowish crystals or powder.|Colorless crystals|White granular or powdered salt

    HScode:

    2832100000

    Categories:

    Inorganic Salts

    Characteristics
    PSA:

    125

    XLogP3:

    -3.7

    Appearance:

    White to slightly yellow Powder/Solid

    Density:

    1.4 g/cm3

    Melting Point:

    150 °C (decomp)

    Boiling Point:

    Decomposes

    Water Solubility:

    H2O: 540 g/L (20 ºC)

    Storage Conditions:

    Storage containers are predominantly made from 1.4571 grade stainless steel. Fiberglass-reinforced plastic containers are also suitable for storage. Paper or plastic sacks, steel barrels, or big bags made of synthetic fibers are used for transportation.

    Toxicity:

    LD50 orally in Rabbit: 1540 mg/kg LD50 dermal Rat > 2000 mg/kg

    Flammability characteristics:

    Noncombustible Solid

    Odor:

    In the presences of traces of water, it develops an odor of sulfur dioxide

    PH:

    4,0-5,5 (10 % aqueous solution)

    Experimental Properties:

    ... in moist air it decomposes with loss of part of its SO2 content and by oxidation to sodium sulfate ... Dry sodium metabilsulfite is more stable to oxidation than dry sodium sulfite|Slowly oxidized to the sulfate on exposure to air and moisture

    Air and Water Reactions:

    Acts as a corrosive acid when mixed with water. Reacts slowly with air and water.

    Reactive Group:

    Sulfite and Thiosulfate Salts

    Reactivity Alerts:

    Strong Reducing Agent

    Reactivity Profile:

    SODIUM METABISULFITE is incompatible with the following: Heat (decomposes) [Note: Slowly oxidized to the sulfate on exposure to air & moisture.] (NIOSH, 2016).

    Flammable Limits:

    Noncombustible Solid

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Serious eye damage, Category 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H302 Harmful if swallowed

    H318 Causes serious eye damage

    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/...

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P317 Get medical help.

    Storage

    none

    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

    Separated from acids and strong oxidants.The bulk material should be stored in a well closed container, protected from light, in a cool, dry place.

  • 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
    109 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    sodium metabisulfite 7681-57-4

    200 MT Oct 3, 2024
    India

    Sodium Metabisulphite

    20000.00 TON May 28, 2025
    Georgia

    Sodium Metabisulfite

    5000 KG Dec 8, 2025
    Pakistan

    Sodium metabisulfite

    3.00 KG Jun 5, 2026
    Pakistan

    Sodium Metabisulfite

    1.00 KG Jun 3, 2026
    Russia

    sodium metabisulfite

    1 KG May 29, 2026
    Russia

    sodium metabisilfite

    200 MT May 28, 2026
    Sri Lanka

    Sodium Metabisulfite

    27 MT Apr 7, 2026
    Oman

    Sodium metabisulfite

    20 MT Mar 25, 2026
    Egypt

    Sodium Metabisulfite

    3000.00 KG Mar 19, 2026
    India

    Sodium Metabisulphite

    1000 KG Mar 18, 2026
    Indonesia

    Sodium Metabisulphite

    13200 L Feb 6, 2026
    Bahrain

    Sodium Metabisulfate

    1.00 KG Feb 4, 2026
    India

    Sodium Metabisulphite

    2.00 MT Jan 21, 2026
    United States

    Sodium Metabisulphite 97%

    28 MT Jan 4, 2026
    Pakistan

    Sodium metabisulfite

    3.00 20' Fcl Dec 23, 2025
    South Africa

    Sodium Metabisulphite

    1 MT Nov 14, 2025
    Pakistan

    Sodium Metabisulfite 97%

    1.00 KG Nov 4, 2025
    Pakistan

    Sodium Metabisulfite

    3.00 20' Fcl Oct 13, 2025
    India

    Sodium Meta Bi Sulphite

    2.00 MT Oct 11, 2025
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