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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > Sodium pyrosulfite for Sale > 99% Purity Sodium Metabisulfite CAS 7681-57-4
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99% Purity Sodium Metabisulfite CAS 7681-57-4

109 Inquiries

Unit Price: Get Latest Price
CAS No.:

7681-57-4

Grade:

Pharmaceutical Grade

Content:

99%

Port:

qingdao

Brand:

airuike

Packaging:

25kg/Cardboard Drum

Price valid (until):

2024-08-31

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

api,Intermediates,Organic Chemistry,Inorganic Chemistry,Daily Chemicals,Cosmetic Raw Materals

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Shop Factory direct sales High Quality L-Cysteine CAS 52-90-4 with Good Price-Detailed Image 1


    FAQ 


    Q : What is your terms of payment?
    A : T/T 30% as deposit, and 70% before delivery or 100% L/C at sight.
    Q : 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.
    Q : How about the delivery time?
    A : Within 7 days after payment confirmation. (excluding Chinese holidays)
    Q : What documents did you provide?
    A :We usually provide commercial invoice, packing list, shipping list, waybill, health certificate and certificate of origin. If
    there are any special requirements in your market, please let us know.Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.
    Q: How do you deal with quality complaints?
    A : First of all, our quality control will ensure our quality. If we cause real quality problems, we will once again provide good
    products or refund your losses.
    Q : How do you make our business long-term and good relationship?
    A : 1. We keep good quality and competitive price to ensure our customers benefit;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
    Q : Do you have stock?
    A: Yes, we have all our products in stock. Our annual output is 200 tons. No matter when you order, we will ship within 1 to 3 days.
    Q : Why should I choose you?
    A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over
    5years, in average.Strict quality control-comes form our sophisticated management system.Professional and warm sales team-since we
    believe we can only win via our hard work in a competitive worldQuick response and excellent presale and after sale service-since
    we believe our customers deserve all the best service.
    Q : Can I get best price from you?
    A: Of course. We don't chase excessive profits and alway

    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

    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:

    Trader

    Main Products:

    api,Intermediates,Organic Chemistry,Inorganic Chemistry,Daily Chemicals,Cosmetic Raw Materals

    Location:

    Huangdao District, Qingdao City, Shandong Province (formerly Room 606-2, Building 1, No. 10 Beijing Road, Jiaonan City)

    Payment Terms:

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

    Average lead Time:

    15

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    51-100

    Year of Establishment:

    2023

    Certifications:

    Credit rating certificate,Hazardous Chemicals Business License

    Company Profile
    Foucsing on chemical industry,Shandong Airuike Chemical Co., LTD was established in the year 2013 and since then devoted all its efforts on how to bring best products and services to every customer,with intergrated sources and creative minds.
    We are offering the market with Organic chemicals, Inorganic chemicals, Organic intermediates and water treatment products.
    In construction industry,our furan resin product is high-light for metal casting as well as anticorrosion projecting for new chemical plant construction and repairing works.
    Your consistent trust is our infinite power to move forward. Shandong Airuike Chemical Co., LTD never stop its step on technical researching,quality supervising,effective logistic arranging and on time services to fully satisfy customers requests. We also extended our product range by close cooperating with famous producers all around China,around the world.
    By now we have established business relationship with more than 200 customers around the world.
    Like our company motto says,”Innovation as power,quality as life,be honest people practical development”,Shandong Airuike Chemical Co., LTD team always put sincerity and honesty in the first place and in return customers trust us and develop win-win cooperation betwwen each other.
    You’re always welcomed to contact us and share your needs,let us give you an unique satisfying for our business cooperation together.
  • 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
    Post an enquiry for this product
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