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Home > Food Additives > Bleach > Sodium dithionite for Sale > CAS 7775-14-6 Sodium Hydrosulfite 88% 85%
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CAS 7775-14-6 Sodium Hydrosulfite 88% 85%

50 Inquiries

Unit Price: Get Latest Price
CAS No.:

7775-14-6

Grade:

Industry Grade/Food Grade

Content:

88%

Port:

NINGBO

Brand:

Hongsifang; Yihua

Packaging:

Iron Drum

Price valid (until):

2024-08-19

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

( Glacial) acetic acid,Sodium hydrosulfite,Sodium hydroxide,Sulphuric acid,Hydrochloric acid,Sodium sulfate

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      China Factory Low Price Na2s2o4 CAS 7775-14-6 Sodium Hydrosulfite 88%  


    Mainly used in industry and food industry, belongs to class 4.2 self-extinguishing articles, and is widely used in textile industry for reductive dyeing, reductive cleaning, printing and decoloration, and used for bleaching of silk, wool, nylon and other fabrics.


    Insurance powder, chemically known as sodium dithionite, is a white sandy crystal or light yellow powder. The famous strong reducing agent, the normal state should be rich in fluidity of white fine sand. The nature is active, and a large amount of insurance powder can spontaneously ignite when it encounters water, which is dangerous goods. It is very easy to be deteriorated by moisture and lose its use value, so it must be kept tightly. It has strong reducibility and can chemically react with many substances to produce different effects. In the textile printing and dyeing industry, insurance powder is widely used as bleach and reducing agent, which can make clothes bright and not easy to fade. In the paper industry, insurance powder can be used as a bleach to improve the whiteness and gloss of paper. In the food industry, insurance powder can be used as an antioxidant to extend the shelf life of food. In addition, in the medical, daily chemical supplies and other fields, insurance powder also has a wide range of applications.
    Insurance powder is prone to strong reaction and combustion when wet or acid, producing toxic gas sulfur dioxide. In addition, the insurance powder also has the characteristics of spontaneous combustion and explosion

    Items Specifications
    CAS No.
    7775-14-6
    Formula
    Na2s2o4 
    Certification
    CCIC, CIQ, ISO 
    Purity
    80%~90% 
    Freezing Point 52-55 ºC
    Hazard Class 4.2
    Density 2.189 G/Cm³
    Production Capacity 500 tons/Month
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    Shaoxing Hesheng Chemical Co., Ltd. is a professional business integrating scientific research, production, sales and service
    Industrial products of professional enterprises. Hesheng is committed to providing customers with quality products and perfect services, and constantly improve
    The technical quality of the products, and strive to meet the diversified needs of customers. The company's main products are: glacial acetic acid,
    Caustic soda, liquid alkali, sodium hypochlorite, insurance powder, sulfuric acid, hydrochloric acid, phosphoric acid, toluene,
    DMF, methanol, ethyl acetate, methylene chloride, acetone, textile dyes, printing and dyeing AIDS, high efficiency carbon sources, acetic acid
    Sodium, polyaluminum chloride, sodium metabisulfite, glucose. Water treatment agents, semiconductor chemical materials
    Let's wait. Hesheng strictly abides by national and regional laws and regulations on hazardous chemicals, and improves and perfects chemical pipes
    Management system, and designated special management and supervision, regular organization of employees to learn laws and regulations, has not happened for many years
    Have violated business activities, is a trustworthy chemical enterprise.

    Basic Info
    Product Name:

    Sodium dithionite

    Other Name:

    Dithionous acid,sodium salt (1:2);Dithionous acid,disodium salt;Sodium dithionite;Vatrolite;Hydros;Blankit;Sodium dithionite (Na2(S2O4));Disodium dithionite;Disodium hydrosulfite;Sodium hydrosulfite;Sodium hyposulfite;Burmol;Sodium hydrosulfite (Na2S2O4);V-Brite B;Blankit IN;Hydrosulfite R Conc;Cyclanon ARC;Blankit S;Hydrosulfite F;Oxygen Scavenger SHS;Albite F;1340-77-8

    CAS No.:

    7775-14-6

    Molecular Formula:

    H2O4S2.2Na

    InChIKeys:

    InChIKey=PEXMEGQPKTWBOJ-UHFFFAOYSA-N

    Molecular Weight:

    174.1071

    Exact Mass:

    173.903

    EC Number:

    231-890-0

    UNII:

    2K5B8F6ES1

    ICSC Number:

    1717

    UN Number:

    1384

    DSSTox ID:

    DTXSID9029697

    Color/Form:

    White or grayish-white crystalline powder|Light-lemon-colored solid in powder or flake form|White, colorless or yellow-white crystals

    HScode:

    28311010

    Categories:

    Bleach

    Characteristics
    PSA:

    118.68

    XLogP3:

    0.391

    Appearance:

    White to grayish-white granular powder

    Density:

    2.19

    Melting Point:

    166-168 °C

    Boiling Point:

    1390°C

    Flash Point:

    >100°C o.c.

    Water Solubility:

    H2O: 250 g/L (20 °C)

    Storage Conditions:

    Materials to avoid: strong oxidizing agents, acids.

    Toxicity:

    LD50 orally in Rabbit: 2500 mg/kg

    Explosive limit:

    Closed containers may rupture violently when heated.

    Odor:

    Faint sulfurous

    Experimental Properties:

    Strong reducing agent; also available in liquid form|Decomposes violently when heated to 190 °C and emits toxic fumes of SOx and Na2O.

    Air and Water Reactions:

    Sodium dithionite is a combustible solid which slowly decomposes when in contact with water or water vapor, forming thiosulfates and bisulfites. This reaction evolves heat, which can further accelerate the reaction or cause surrounding materials to burn. If the mixture is confined, the decomposition reaction can result in pressurization of the container which may then rupture forcefully. Upon standing in air it slowly oxidizes, generating toxic sulfur dioxide gas. (NFPA, 2010)

    Reactive Group:

    Anhydrides

    Reactivity Alerts:

    Strong Reducing Agent

    Reactivity Profile:

    Sodium dithionite is a combustible solid which slowly decomposes when in contact with water or water vapor, forming thiosulfates and bisulfites. This reaction evolves heat, which can further accelerate the reaction or cause surrounding materials to burn. If the mixture is confined, the decomposition reaction can result in pressurization of the container which may then rupture forcefully. Upon standing in air it slowly oxidizes, generating toxic sulfur dioxide gas. (NFPA, 2010)

    Autoignition Temperature:

    about 190 °C

    Hazard Identification

    Classification of the substance or mixture

    Self- heating substances and mixtures, Category 1

    Acute toxicity - Category 4, Oral

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H251 Self-heating; may catch fire

    H302 Harmful if swallowed

    Precautionary statement(s)
    Prevention

    P235 Keep cool.

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

    P264 Wash ... thoroughly after handling.

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

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    Storage

    P407 Maintain air gap between stacks or pallets.

    P410 Protect from sunlight.

    P413 Store bulk masses greater than … kg/…lbs at temperatures not exceeding …°C/…°F.

    P420 Store separately.

    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

    NO open flames. NO contact with combustible substances or water. 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

    Dry. Well closed. Separated from strong oxidants and acids. Store in an area without drain or sewer access.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    ( Glacial) acetic acid,Sodium hydrosulfite,Sodium hydroxide,Sulphuric acid,Hydrochloric acid,Sodium sulfate

    Location:

    Room 2008, XingCheng Building, Lingzhi Street, Yuecheng District, Shaoxing, Zhejiang, China

    Payment Terms:

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

    Average lead Time:

    20

    Total Annual Revenue:

    Less than $1 million

    Total Employees:

    Less than 5

    Year of Establishment:

    2017

    Certifications:

    Hazardous chemicals trading license

    Shaoxing Hesheng Chemical Co., Ltd. is a professional business integrating scientific research, production, sales and service
    Industrial products of professional enterprises. Hesheng is committed to providing customers with quality products and perfect services, and constantly improve
    The technical quality of the products, and strive to meet the diversified needs of customers. The company's main products are: glacial acetic acid,caustic soda, liquid alkali, sodium hypochlorite, insurance powder, sulfuric acid, hydrochloric acid, phosphoric acid, toluene,
    DMF, methanol, ethyl acetate, methylene chloride, acetone, textile dyes, printing and dyeing AIDS, high efficiency carbon sources, acetic acid
    Sodium, polyaluminum chloride, , sodium pyrosulfite, glucose. Water treatment agents, semiconductor chemical materials
    Let's wait. Hesheng strictly abides by national and regional laws and regulations on hazardous chemicals, and improves and perfects chemical pipes
    Management system, and designated special management and supervision, regular organization of employees to learn laws and regulations, has not happened for many years
    Have violated business activities, is a trustworthy chemical enterprise


      Company Profile  


  • Inquiry History
    50 Inquiries
    Country Product Purchase Quantity Date Posted
    Turkmenistan

    Sodium Hydrosulfite 88%

    20 MT Apr 10, 2026
    Germany

    Sodium Hydrosulfite

    10 MT Jun 18, 2026
    Kenya

    Sodium Hydrosulfite

    20 20' Fcl Feb 27, 2026
    Nigeria

    sodium hydrosulfite

    1 KG Feb 3, 2026
    Nigeria

    sodium hydrosulphite

    1 KG Feb 2, 2026
    India

    Sodium hydrosulphite

    1.00 KG Jan 22, 2026
    Egypt

    sodium hydrosulfite 90 %

    22000 KG Jan 13, 2026
    Guinea

    Sodium Hydrosulfite

    20 40' Fcl Jan 5, 2026
    Pakistan

    Sodium Hydrosulfite

    2.00 20' Fcl Dec 30, 2025
    Malaysia

    Sodium Hydrosulphite

    1 20' Fcl Dec 3, 2025
    Malaysia

    Sodium Hydrosulphite 90%

    1 KG Dec 2, 2025
    Pakistan

    Sodium Hydrosulfite 90%

    10 20' Fcl Nov 4, 2025
    Vietnam

    Sodium Hydrosulfite

    1 20' Fcl Oct 16, 2025
    South Africa

    Sodium Hydrosulfite

    86400 KG Sep 23, 2025
    Australia

    Sodium Hydrosulfite 88%

    1 BOU Aug 11, 2025
    Nigeria

    Hydrosulfite Sodium

    270 TON Aug 1, 2025
    Ivory Coast

    Sodium hydrosulfite

    1 20' Fcl Jul 17, 2025
    Ireland

    Sodium Hydrosulfite

    1.5 TON May 26, 2025
    Myanmar

    Yl -3 (Sodium Hydrosulphite)

    3 KG Mar 24, 2025
    Pakistan

    sodium dithionite

    1 MT Oct 20, 2024
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