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Sodium Tetraborate Pentahydrate

Sodium Tetraborate Pentahydrate

Sodium Tetraborate Pentahydrate
CAS No.: 12179-04-3
Molecular Formula: 12179-04-3
Molecular Weight: 291.3

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PRODUCT DESCRIPTION

Sodium Tetraborate Pentahydrate is a white crystalline solid, soluble in water and weakly alkaline. It has excellent buffering, corrosion-inhibiting and flame-retardant properties. It is widely used in glass and ceramic production, detergents, cosmetics, metal treatment, fertilizers and flame retardants.


Chemical Properties

PropertyValue
Density1.815
PSA138.42000
LogP-2.42430
Solubility38 g/L at 20 °C in water
AppearanceWhite, odorless crystalline or free-flowing powder
Chemical PropertiesBorax is a noncombustible (an inherent fire retardant), bluish-gray or green, odorless crystalline powder or granules.
ColorWhite, odorless crystalline or free-flowing powder
Physical FormWhite crystalline powder
Storage TemperatureStore at room temperature, keep dry and cool


Safety Information

PropertyValue
Occupational Exposure CategoryC
Occupational Exposure LimitTWA: 1 mg/m³


Product Usage

Sodium Tetraborate Pentahydrate, also known as Borax Pentahydrate, is a highly efficient and versatile borate widely used in modern industry due to its excellent chemical stability and solubility. In the glass and ceramics industry, it is a key raw material for manufacturing heat-resistant glass, fiberglass, and glazes, significantly reducing melting temperatures while enhancing impact resistance and chemical durability. In the detergent sector, it possesses superior stain removal, pH buffering, and water-softening capabilities, making it a common ingredient in high-performance laundry liquids and multi-purpose cleaners. Additionally, it serves as a micronutrient fertilizer in agriculture to prevent boron deficiency in crops and acts as a flux in metallurgy, while playing a vital role in wood preservation and flame retardant materials.

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Q:What about your price? 
A:Our price is very competitive because we are a factory. Feel free to contact us if you are interested in our products. 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase. 

Q:How about the delivery time? 
A:Within 3-15 days after we confirm you requirement. 

Q:What is your terms of payment ?
A:T/T, L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me. 

Q: Do you provide samples? 
A:Yes,we could offer the sample for you to test but please pay freight fee.

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