About Borax / Sodium Tetraborate Decahydrate (CAS 1303-96-4)
Borax Sodium Tetraborate is an indispensable inorganic boron compound primarily used across high-temperature processing industries. DPRJ Universal stands out as a pioneering Borax manufacturer in India and premier bulk supplier, offering exceptionally refined borax decahydrate technical granular batches alongside complete chemical documentation, matching COA parameters, and exhaustive SDS support charts.
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- [-] Chemical Name: Borax / Sodium Tetraborate Decahydrate / Disodium Tetraborate
- [-] Borax Decahydrate Percentage (B2O3): 36.5% Minimum
- [-] CAS No.: 1303-96-4
- [-] Appearance: White, odorless, uniform crystalline granular powder
- [-] Chemical Formula: Na2B4O7 · 10H2O
- [-] Molecular Weight: 381.37 g/mol
- [-] Packaging:25 KGS BAG
- [-] Origin: India
Primary Applications
- Core formulation fluxing component for specialized Borosilicate Glass and fiberglass production structures.
- Essential ingredient for high-performance industrial Ceramic Glazes, enamels, and tile vitrification steps.
- Effective industrial cleaning builder used for pH buffering, emulsification, and water softening matrices.
- Highly reliable metallurgy cleaning flux utilized during high-temperature metal welding, brazing, and refining setups.
- Base micronutrient intermediate for producing complex fertilizers and high-performance flame retardant additives.
SKU: BRX001
MPN: BORAX-DECA-DPRJ-001
Category: Chemicals → Inorganic Boron Compounds → Borax Decahydrate Technical Granular
Brand: DPRJ Universal
Price Range (Bulk Orders)
₹80 - ₹100 per kg
Price valid until: 31 Dec 2026
Availability: In Stock for Immediate Heavy Bulk Orders
Customer Rating
⭐ 4.9 / 5
Based on 1,842 verified industrial business buyers
“The technical granular uniformity of Borax Decahydrate from DPRJ keeps our borosilicate glass melting furnaces exceptionally efficient. A truly professional borax manufacturer in India.”
— Verified Technical Procurement Manager, Glass Processing Plant
Shipping & Delivery
Destination: India
Shipping Cost: Free (Bulk Orders)
Handling Time: 1–2 Days
Transit Time: 2–5 Days
Return Policy
Return Window: 7 Days (for non-compliant quality)
Return Method: Return By Mail/Pickup
Return Fees: Free Return (on verified quality issue)
Frequently Asked Questions
What is the primary industrial application of Borax Decahydrate?
The primary industrial use of Borax / Sodium Tetraborate Decahydrate is in the manufacturing of borosilicate glass, fiberglass insulation, and ceramic glazes. It behaves as a vital fluxing agent, reduces melting temperatures, and increases chemical thermal durability. It is also used widely in metallurgical fluxes, cleaning formulations, and flame retardants.
What is the chemical formula and molecular weight of Borax Decahydrate?
The chemical formula for Borax Decahydrate (disodium tetraborate decahydrate) is Na2B4O7 · 10H2O. Its exact calculated molecular weight or molar mass is 381.37 g/mol.
Where can I find a reliable Borax manufacturer in India for bulk commercial procurement?
DPRJ Universal is a premier bulk Borax manufacturer in India. We supply premium-grade technical granular Borax Decahydrate and Borax Pentahydrate across diverse chemical and industrial processing setups nationwide with strict quality assurance systems.
What is the physical structure and form of Borax / Sodium Tetraborate Decahydrate?
Borax Decahydrate forms a stable crystalline, monoclinic structural alignment containing delocalized boron-oxygen clusters. Physically, it is delivered as a stable, odorless, white crystalline granular powder that remains easy to handle and dissolve under normal temperatures.
How is Borax converted or configured into specialized grades?
Borax is most commonly available in two hydrated crystalline variations: Borax Decahydrate (10 water molecules) and Borax Pentahydrate (5 water molecules). Industrially, these are categorized by screening mesh distributions such as Borax decahydrate technical granular or fine powder depending on process melting and mixing requirements.
What are the core physical parameters like melting point and density for Sodium Tetraborate Decahydrate?
High-purity Borax Decahydrate possesses a melting point of approximately 75°C (rapidly losing its water of crystallization upon further intense heating) and exhibits a specific gravity density of roughly 1.73 g/cm³. It presents as a uniform white crystal powder format.
What is the exact calculated Borax decahydrate percentage breakdown?
Standard industrial Borax Decahydrate features a theoretical composition consisting of approximately 16.3% Sodium Oxide (Na2O), 36.5% Boron Trioxide (B2O3), and 47.2% Water of Crystallization (H2O), yielding a total purity matching or exceeding technical standards.
Is Borax classified as hazardous and what safe storage protocols should be deployed?
Borax is generally considered low-toxicity, but can cause mild eye irritation and respiratory discomfort if high airborne dust density is inhaled. It should be handled in environments with active ventilation while using basic PPE (gloves, protective eyewear). Store inside cool, tightly sealed packaging conditions to avoid natural efflorescence or absorption of moisture.
What is the true distinction between Borax and Disodium Tetraborate versions?
Disodium tetraborate is the pure scientific chemical descriptor for the base salt compound. The term Borax is the globally accepted common commercial and mineralogical name used by market consumers when buying, supplying, and engineering products with this specific boron compound.
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