CAS 10101-41-4 Low Price Factory Supply Calcium Sulfate Dihydrate

Product Description

Product Description

Definition

Aluminum sulfate dihydrate is a white crystalline solid. It consists of aluminum, sulfur, oxygen, and water molecules. It is soluble in water and has acidic properties in aqueous solutions. This compound is widely used in various industrial processes.

Production Methods

1. Chemical Reaction: Reacting bauxite (aluminum ore) with sulfuric acid is a common method. The acid attacks the aluminum - containing compounds in bauxite to form aluminum sulfate.
2. Waste - based Production: Some industries use aluminum - containing waste materials, treating them with sulfuric acid to produce aluminum sulfate dihydrate, which is an environmentally friendly approach.

Storage

1. Store in a cool, dry place to prevent moisture absorption, as it is hygroscopic.
2. Keep away from strong oxidizing agents and alkaline substances to avoid chemical reactions.
3. Use tightly - sealed containers to ensure its stability.

Market Information

The demand for aluminum sulfate dihydrate is growing due to its increasing use in water treatment and paper manufacturing. The market is influenced by the prices of raw materials, especially sulfuric acid and bauxite.

Downstream Industries

1. Water Treatment: It is used as a coagulant to remove suspended particles and impurities from water.
2. Paper Industry: Helps in sizing paper, improving its strength and water - resistance.
3. Textile Dyeing: Assists in fixing dyes onto fabrics.

Detailed Photos

 

Product Parameters

Item	Specification	Result
Appearance	White or off-white crystalline powder	Conforms
Assay (MgCl2·2H2O)	≥ 98.0%	98.4%
Magnesium (Mg2+) Content	≥ 11.5%	11.8%
Chloride (Cl-) Content	≥ 34.0%	34.5%
Sulfate (SO42-)	≤ 0.5%	0.21%
Calcium (Ca2+)	≤ 0.3%	0.12%
Iron (Fe3+)	≤ 0.005%	0.003%
Heavy Metals (Pb)	≤ 0.002%	0.001%
Water Insoluble Matter	≤ 0.1%	0.05%
pH (5% Solution, 25°C)	7.0-9.0	8.1

Application

Building Materials:In the construction industry, Calcium Sulfate Dihydrate is a key component in making plaster and gypsum boards. When heated, it loses water and forms hemihydrate, which, upon rehydration, hardens quickly, making it ideal for creating smooth wall surfaces, ceiling tiles, and decorative moldings. Its fire - resistant properties also enhance the safety of buildings.
Agriculture:As a soil conditioner, Calcium Sulfate Dihydrate helps improve soil structure by reducing soil compaction and increasing water infiltration. It supplies calcium and sulfur, essential nutrients for plant growth, and can adjust soil pH in acidic soils, promoting healthier root development and higher crop yields.
Food Industry:Used as a food additive, it functions as a firming agent, stabilizer, and dough conditioner. For example, in making tofu, it helps coagulate soy milk, and in baking, it improves the texture and shelf - life of bread and other baked goods.
Industrial Applications:In the paper industry, Calcium Sulfate Dihydrate is used in the sizing process to control ink absorption. It also serves as a filler in paints, plastics, and rubber products, enhancing their strength and durability while reducing production costs.

Packaging & Shipping

Packaging:
25kg bag--27tons/1FCL without pallet
1000kg bag--25tons/1FCL without pallet

Shipping:
We mainly use MSC, Maersk, CMA CGM, COSCO, HPL, ONE, YML, WHL, PIL and ZIM.

Certifications

Company Profile

Shandong Jiuchong Chemical Company Limited was founded in 2016, which is located in Weifang City, Shandong Province, China. We have 228 square meters of office space. Now Jiuchong chemical is a large modern international chemical enterprise with more than 28 series. Since our establishment, the company has gradually established and improved a sound supply chain system, quality monitoring system and service system, ensuring products quality and service. 
At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, including magnesium chloride, sodium metabisulfite, sodium bicarbonate, calcium chloride, magnesium sulfate, polyaluminium chloride, aluminium sulfate, industrial salt, soda ash etc. 
Our products are sold well in 288 domestic cities and more than 36 foreign countries. Now the company has won the praise and trust of domestic and foreign customers. Based on stable quality and output, good team service and staff efforts, we will continue to develop domestic and foreign markets.
Jiuchong chemical takes "integrity, innovation and development" as the concept, puts integrity in the priority position in serving customers, and guarantees high quality products and satisfactory cooperation for customers experience. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done. In the future, Shandong Jiuchong Chemical Company Limited hopes to build a brilliant tomorrow with you!

FAQ

Q1: Is this product safe to handle?
A: Yes, it is generally considered safe and non-toxic under normal handling conditions. However, we recommend wearing gloves and a mask to avoid prolonged skin or inhalation exposure, especially in large-scale use.
Q2: What is the shelf life of this product?
A: The shelf life is 2 years when stored in a cool, dry, and well-ventilated area. It should be kept away from moisture to prevent caking or decomposition.
Q3: What packaging options are available?
A: Standard packaging includes 25kg or 50kg plastic woven bags with inner liners. We also offer jumbo bags and customized bag marks according to your requirements.
Q4: Can you provide documents such as COA, MSDS, or TDS?
A: Absolutely. We can provide Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), Technical Data Sheet (TDS), and other documents as needed for customs or technical review.
Q5: What are your payment terms?
A: We accept T/T (30% deposit, 70% before shipment), L/C, and other negotiable terms based on order size and customer relationship.
Q6: What is your lead time and delivery port?
A: Normally, delivery time is within 10-15 working days after deposit. Our main loading ports are Qingdao, Shanghai, and Tianjin, China.
Q7: Is the product compliant with REACH or other certifications?
A: Yes, our product can comply with REACH regulations upon request. We also have ISO certification and can assist with third-party inspection if needed.