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Home > Inorganic Chemistry > Inorganic Salts > Sodium pyrosulfite for Sale > Sodium metabisulfite---001
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Sodium metabisulfite---001

108 Inquiries

Unit Price:

$1.3-1.6/MT FOB

Get Latest Price
CAS No.:

7681-57-4

Grade:

Pharmaceutical Grade

Content:

99%

Port:

tianjin

Brand:

baiding

Packaging:

25KG PER BAG

Price valid (until):

2027-06-05

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

Ortho-xylene,1-Butylene,Ammonium hydrogen fluoride,Bitumen

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Shop Sodium metabisulfite---001-Detailed Image 1


    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
    Specific Gravity 1.48
    color  White to slightly yellow
    PH 3.5-5 (50g/l, H2O, 20℃)
    Odor Sulphorous
    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)

    Safety Information
    Hazard Codes  Xn,Xi
    Risk Statements  22-31-41-36/37/38-52
    Safety Statements  26-39-46-36-16
    RIDADR  3260
    OEB B
    OEL TWA: 5 mg/m3
    WGK Germany  1
    RTECS  UX8225000
    TSCA  Yes
    HS Code  2832 10 00
    PackingGroup  III
    Hazardous Substances Data 7681-57-4(Hazardous Substances Data)
    Toxicity LD50 orally in Rabbit: 1540 mg/kg LD50 dermal Rat > 2000 mg/kg

    Baiding company production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integrity, mutual benefit, service" business philosophy, create value for customers continuously, and grow with our customers and suppliers together.
    "Quality Best, Customer First" is what we adhering, we sincerely welcome friends both at home and abroad to visit our company and hope to achieve win-win cooperation with you!

    Shop Sodium hydroxide---023-Detailed Image 2

    FAQ                                                                                           

    Q1: How to contact with us

    Whatsapp us or send us e-mail, you will get reply within 24 hours. Please contact us without hesitation.

    Q2:   Which kind of payment terms do you accept

    We support multiple trading methods and payment such as T/T, L/C, D/A, D/P, O/A, MoneyGram, Credit Card, PayPal, , Escrow and etc. Please contact us if you need more info.

    Q3:   How can i get a sample

    Yes, you can get free samples for some products, but the shipping cost would be paid by customers.

    Q4: How to confirm the Product Quality before placing orders

    You can get some sample, or we can send certificate of analysis or HPLC or NMR to you.

    Q 5 :   How to guarantee the quality of your products

    Strict sampling inspection on products before shipment and intact product packaging ensured.

    Q 6 :   How can I make payment safe

    The whole transaction is under Third party inspection.

    Q7:  Whether you could make our brand on your products

    Yes. We can print your Logo on the packages if you can meet our MOQ.

    Why choose us ?                                                                                                

    1.Best quality with competitive price.

    2.Quick shipping,delivery on time.

    3.Trade Assurances

    4. Support multiple trading methods and payment. We support wire transfer, , Paypal payment.

    5.One to one business communication

    6.OEM/ODM Available.

    7.We offer convenient one-station purchasing service.Our professional and thoughtful after-sales service eliminates your worries.

    8. We has many years’ exporting experience in active pharmaceutical ingredient products, strictly on selecting raw materials

    9.Our distribution capabilities include:

    Flexible deliveries, intelligent solutions

    Anything from bulk shipments of thousands of tonnes down to the smallest shipment of packed goods and even samples.

    Bulk - storage and transport of powders and liquids – movement of goods in ships - powders and bulk liquids

    Pharmaceutical, feed and food storage to accredited standards

    Segregated materials by business unit and hazard classification

    Temperature controlled storage and transport

    Effective cost control

    Re-packing, drum filling, bagging

    Customer delivery KPI's on delivery fulfillment performance

    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:

    Trader

    Main Products:

    Ortho-xylene,1-Butylene,Ammonium hydrogen fluoride,Bitumen

    Location:

    Shinan District, Qingdao City, Shandong Province

    Payment Terms:

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

    Average lead Time:

    15

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    5-10

    Year of Establishment:

    2024

    Certifications:

    Hazardous chemicals trading license

  • Inquiry History
    108 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
    Indonesia

    Sodium Metabisulphite

    750 MT Jul 23, 2026
    India

    Sodium Metabisulphite

    3.00 MT Jul 10, 2026
    South Sudan

    Sodium Metabisulphite

    200 KG Jun 29, 2026
    Russia

    sodium metabisulfite

    1 KG Jun 23, 2026
    Russia

    Sodium pyrosulfite

    3 MT Jun 22, 2026
    Pakistan

    Sodium metabisulfite

    3.00 KG Jun 5, 2026
    Pakistan

    Sodium Metabisulfite

    1.00 KG Jun 3, 2026
    Russia

    sodium metabisilfite

    200 MT May 28, 2026
    Russia

    sodium metabisulfite

    1 KG May 27, 2026
    Russia

    sodium metabisulfite

    200 MT May 18, 2026
    United Arab Emirates

    Sodium Metabisulfite

    0.24 KG May 15, 2026
    Uzbekistan

    Sodium metabisulfite

    1000 MT Apr 9, 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
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