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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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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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FAQ

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. 

 

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A:Of course, we welcome customers from all over the world to visit our factory.

 

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, 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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