Sodium Bisulfate CAS 7681-38-1
Factory wholesale Sodium Bisulfate CAS 7681-38-1
- Appearance:Liquid
- Purity:99.8%
- Delivery:30days
- Sample Available:Available
- Payment:L/C,T/T,D/P,Paypal,Money Gram,Western Union
- Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
- Transporta:Ocean, Land,Air, DHL，TNT FedEx
Name: Sodium Bisulfate
CAS: 7681-38-1
MOQ: 1KG
Directory Guidance on Sodium Bisulfate
Chemical Structure
Basic Info:
| Melting Point | 315 °C |
| Density | 2.1 |
| Form | Granules |
| Color | White to light yellow |
Sodium Bisulfate Introduction:
Sodium Bisulfate, chemical formula NaHSO4, is an inorganic compound of great value in the chemical industry and related fields. It usually exists as a white crystalline or granular solid, and may be encountered commercially in the form of anhydrous (NaHSO4) or monohydrate (NaHSO4·H2O).
As the monosodium salt of sulfuric acid (H2SO4), Sodium Bisulfate can dissociate hydrogen ions (H+) and bisulfate ions (HSO4-) when dissolved in water, which makes its aqueous solution significantly acidic and the pH value is usually low. This property is the chemical basis for its wide application in many fields. It is worth noting that the acidity of its aqueous solution is between strong acids such as sulfuric acid and hydrochloric acid and weak acids such as acetic acid, but in many practical scenarios, it can effectively replace strong acids to complete certain tasks.
Sodium Bisulfate has a certain degree of hygroscopicity and is prone to deliquesce and agglomerate when exposed to a humid environment. This requires special attention during storage and use. Its chemical properties are active. Under heating conditions, it will lose water molecules and further decompose. The characteristics of its acid salt enable it to react with alkali to form sulfates, and also react with salts under certain conditions.
Storage and disposal of Sodium Bisulfate requires a cautious attitude. Due to its deliquescent and acidic properties, it must be stored in a closed container in a cool, dry and ventilated place, away from incompatible substances such as alkaline substances, metal powders and active metals.
If its solution or dust contacts the skin, eyes or is inhaled through the respiratory tract, it will irritate or even burn human tissues, and appropriate personal protective equipment (PPE) must be used for operation. Proper disposal of waste is also critical, and should be neutralized according to its acidity to avoid adverse effects on the environment. Compliance with relevant safety data sheets (SDS) is essential.
Nature and Specifications:
| Item | Specification |
| Product Name | Sodium Bisulfate |
| CAS No. | 7681-38-1 |
| Appearance | Powder |
| Shelf Life | 2 years |
| Packing | As Your Requirements |
| MF: | NaHSO4 |
| MW: | 120.06 |
| EINECS: | 231-665-7 |
Product service:
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
- Packing pictures and loading video before loading
- Free Sample
- Factory audit
The Application Situation Of Sodium Bisulfate
Sodium Bisulfate has found a wide range of applications in modern industry due to its strong acidity, low cost and high solubility. It plays an extremely important role in the metal surface treatment industry. Whether it is pre-treatment cleaning of metal processing (such as steel, copper, aluminum and other metals), degreasing and activation before electroplating, or rust removal and descaling (oxidation skin) processes, it is often used to prepare immersion or spray cleaning liquids.
The aqueous solution of Sodium Bisulfate can effectively remove oil, rust and oxide film on the metal surface due to its strong acidity and excellent ability to dissolve metal oxides, providing a clean and activated surface for subsequent treatments such as phosphating, passivation or electroplating. Its mild acidity (compared with strong inorganic acids) is relatively more controllable in terms of the risk of over-corrosion of the base metal, which is a major advantage.
In the wider field of industrial cleaning, Sodium Bisulfate is also an effective detergent component. It is added to some acidic detergent formulas to clean scale (mainly calcium carbonate and magnesium carbonate), soap scum, hard water deposits, etc. attached to the surface of ceramics, tiles, glass, etc. Its acidity can dissolve these insoluble salts.
In food processing equipment (such as brewing and dairy equipment) and pipelines, sodium bisulfate solutions can also be used to remove mineral deposits and protein-based dirt, but its use in food-grade applications must strictly comply with the concentration and conditions specified by relevant regulations.
As a solid acidic substance, sodium bisulfate is often used as a catalyst or acidifier in chemical synthesis. In many organic synthesis reactions, such as esterification (carboxylic acids react with alcohols to form esters and water), hydrolysis reactions (such as nitriles hydrolyzed to amides or acids), dehydration reactions, and certain rearrangement reactions, an acid catalytic environment is required.
Compared with the problems of difficult precise control, many side reactions, and complex post-processing caused by the direct use of concentrated sulfuric acid, it is often more convenient to use sodium bisulfate, which is easy to measure, soluble in water, and easy to post-process. It provides the required acidic environment while reducing the safety risks and complexity of using liquid strong acids.
In water treatment and wastewater treatment, sodium bisulfate also plays an important regulatory role. When the alkalinity of wastewater is too high (pH is too high), directly adding Sodium Bisulfate is an economical and convenient way to lower the pH. It dissolves quickly, has moderately controllable acidity, and has high neutralization efficiency, which helps to adjust the pH value to the ideal range (usually around neutral) required by the treatment process (such as flocculation precipitation) or emission standards.
In the treatment of specific heavy metal wastewater, by adjusting the pH, the sulfate ions produced by Sodium Bisulfate may also participate in the precipitation of certain metal ions with smaller sulfate solubility products, playing a certain synergistic removal role.
In the textile printing and dyeing industry, Sodium Bisulfate also has its application value. It can be used to adjust the pH value of the dye bath, especially when acid dyes are dyed with certain fibers (such as nylon and wool). Maintaining a suitable acidic environment is crucial to improving the dye uptake and dyeing fastness.
In some color fixing processes after printing, acidic Sodium Bisulfate solutions may also be used. In addition, the application process of certain flame retardants or other functional finishing agents may also require acidic conditions, and Sodium Bisulfate is one of the optional reagents to achieve this goal.
The Advantages Of Sodium Bisulfate
Sodium Bisulfate price is usually quite competitive. In terms of ease of use, the solid form makes it extremely easy to weigh and the dosage control is highly accurate, which is of great significance for industrial processes and research experiments that require precise acid control. Operators do not have to face the risk of leakage of highly corrosive liquids or deal with complex pumping systems, and the operating risks are significantly reduced.
Its excellent and controllable performance. Sodium Bisulfate is very soluble in water, which means that it can be quickly configured into a uniform solution of the required concentration to meet the concentration requirements of different application scenarios (from dilute solutions to nearly saturated solutions).
Its aqueous solution provides a stable and controllable acidic environment, with acidity sufficient to dissolve common alkaline dirt or oxides such as carbonates and rust, while its strength is weaker than strong inorganic acids. Therefore, in applications such as metal cleaning and scale removal, the risk of “over-pickling” of the metal matrix leading to excessive metal dissolution or hydrogen embrittlement is relatively low, which is particularly suitable for precision parts or occasions where corrosion needs to be strictly controlled.
Sodium Bisulfate solid form allows it to be premixed with other solid additives (such as surfactants, chelating agents, corrosion inhibitors, etc.) in granular or powder form to formulate a multifunctional composite cleaner to meet the needs of complex dirt removal. This flexibility in formula design has given it an important position in the field of industrial cleaning. At the same time, as mentioned above, its use as an acid catalyst or acidifier in chemical synthesis and as a pH regulator in water treatment also demonstrates its multifunctional characteristics.
It has certain environmental compatibility and relative simplicity. Although Sodium Bisulfate itself is an acidic substance, its waste treatment is simpler and more controllable than using high-concentration strong acid. For Sodium Bisulfate waste liquid that does not contain heavy metals or other special pollutants, the basic treatment method is to neutralize it with alkali (such as lime, sodium hydroxide) before discharging it into the wastewater system and adjust it to a neutral or legally permitted pH range.
It does not contain halogens (such as chloride ions, which may cause stress corrosion cracking of stainless steel) and does not contain organic volatile components (VOC). These characteristics give it a comparative advantage in terms of material compatibility and environmental pollution risks. Especially in the field of electroplating and metal cleaning, the use of sulfur-containing ligands such as sulfate to replace chlorine-containing systems can avoid material corrosion problems caused by chloride ions and subsequent treatment difficulties such as high chlorine content in wastewater. Therefore, in some fields with strict environmental protection requirements, Sodium Bisulfate may become the preferred acidic substance.
Contact Us
Product Package picture：
Related References:
Chemicalbook-Sodium Bisulfate
Sodium Bisulfate Manufacturer
Contact Us
As an experienced Sodium Bisulfate manufacturer and supplier, Look Chemical is committed to producing and selling high quality products.
We cooperate and trade with 6000+ factories around the world, and our high-quality products and excellent services make us enjoy a high reputation internationally.
As Sodium Bisulfate CAS 7681-38-1 supplier, Look Chemical provides supply chain solutions to partners and customers in a wide range of industries. We offer competitive pricing and quality products.
If you have a demand for this product, please contact our company’s sales staff, we will provide you with a solution in the shortest time.
Transport proposal
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.
Shandong Lookchemical service:
* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.
* The sample supports testing and inspection.
* Each batch of products will be tested to ensure that its quality meets user needs.
*Packaging can also be made according to customer requirements.
*Any inquiries will be answered by our relevant personnel within 24 hours.
*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.
*We will monitor the logistics information in real time and will share the information with you.
* You can consult us at any time if you have any questions about the product, and we will answer you in time.
*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.
Contact Us
Frequently Asked Questions(FAQ):
We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Yes. We’ll give you product analysis report before shipping.
Different quantity has different discount.
Yes. Welcome to visit.
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.
