About this product
Borax — sodium tetraborate decahydrate, Na2B4O7·10H2O, CAS 1303-96-4 — is a technical-grade granular borate powder. Buyers use it in detergent formulations, glass and ceramic fluxes, metallurgical fluxes, adhesives, and water treatment. We stock 20 Mule Team borax from U.S. Borax (Rio Tinto) in 25 kg bags at our Redhills, Chennai warehouse and dispatch across South India.
Applications & Uses
Safety & Technical Documents
MSDS / SDS
TDS / COA
Certificate of Analysis · with every supply, on request
Need another sheet? Browse the full SDS & TDS library — safety and technical data sheets for every product we stock.
Product DataTechnical Specifications
Physical Properties
- Assay
- Na2B4O7·10H2O (Borax) (by titration): 101.05 – 104.61 % mass; B2O3: 36.9 – 38.2 % mass
Supply & Packaging
- Packaging
- 25 kg bags
- Grades Available
- Technical, Granular
- Origin
- Imported
Compliance & Storage
- HS Code
- 2840 19 00
- Hazard Class
- Not classified as dangerous goods for transport
- Storage
- Keep dry and store away from acids. Avoid dust inhalation and prolonged skin/eye contact.
These specs are indicative. Request a Certificate of Analysis (COA) for batch-specific values.
Source Manufacturers
Sourced directly from verified manufacturers for consistent quality and traceability.
Supplied across South IndiaCoimbatoreMaduraiHosurBangaloreHyderabadVisakhapatnamKochi
Frequently Asked Questions
What is borax used for?
Borax is used in detergent and cleaning formulations, glass and ceramic fluxes, metallurgical and brazing fluxes, adhesives, water treatment, and as a boron micronutrient in fertilisers. We supply technical, granular grade borax in 25 kg bags to industrial buyers across South India.
What is the CAS number and chemical formula of borax?
Borax has CAS number 1303-96-4. Its chemical formula is Na2B4O7·10H2O — sodium tetraborate decahydrate — and we stock it as a technical, granular grade chemical powder.
Is borax the same as sodium borate or sodium tetraborate decahydrate?
Yes. Borax is the common name for sodium tetraborate decahydrate (Na2B4O7·10H2O, CAS 1303-96-4), also referred to as sodium borate. Our stock is the decahydrate form in technical, granular grade.
What grade of borax do you supply?
We supply technical, granular grade borax decahydrate — 20 Mule Team borax from U.S. Borax Inc. (Rio Tinto), Boron, California, USA. Per the manufacturer's published specification, B2O3 is 36.9–38.2 % mass and Na2B4O7·10H2O (Borax) (by titration) is 101.05–104.61 % mass; the full TDS is available on this page.
What is the HSN code for borax?
The HSN code for borax (sodium tetraborate decahydrate) is 2840 19 00. Quote this code together with CAS 1303-96-4 for import and GST documentation.
Do you supply borax in Chennai, and what packaging is available?
Yes — we stock borax decahydrate in 25 kg bags at our Redhills, Chennai warehouse and dispatch across South India. Order sizes depend on packaging and current stock; call or WhatsApp +91 86087 80096 for a quote.
Packaging Options
Product Details
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