Acids

Boric Acid

CAS No. 10043-35-3

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About this product

Boric acid (H3BO3, CAS 10043-35-3) — also called orthoboric acid — is a white, odourless powder or crystalline granules, soluble in water, glycerine, and alcohols. We stock technical grade to IS 10116:2015 (99.5% min assay) from a BIS-licensed Indian manufacturer, with Pharma (IP/BP/USP) and Agricultural grades available. We dispatch across South India from our Redhills, Chennai warehouse — 25 kg bags to 500 kg jumbo bags, ex-stock to 3 working days.

Applications & Uses

Technical-grade industrial processing (IS 10116:2015)
Pharmaceutical formulations (Pharma IP/BP/USP grade)
Agricultural-grade applications
Formulations requiring water, glycerine, or alcohol solubility

Safety & Technical Documents

TDS / COA

Download TDSPDF

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

Appearance
White odourless powder or crystalline granules
Purity
≥ 99.0%
Solubility
Soluble in water (5 g/100 mL at 20°C); soluble in glycerine, alcohols

Supply & Packaging

Packaging
25 kg HDPE bag50 kg woven sack500 kg jumbo bag
Grades Available
TechnicalPharma (IP/BP/USP)Agricultural
Lead Time
Ex-stock to 3 working days
Origin
Imported

Compliance & Storage

HS Code
2810.00.10
UN Number
Not regulated
Hazard Class
Not classified as dangerous goods
Storage
Cool, dry, well-ventilated area. Keep away from strong bases and oxidisers.
Shelf Life
36 months from manufacture

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 the CAS number of boric acid?

Boric acid has CAS number 10043-35-3 and the chemical formula H3BO3. It is also known as orthoboric acid or boracic acid.

What is the HSN code for boric acid?

Boric acid is classified under HSN 2810 00 20 for Indian GST and trade documentation.

What specification does technical-grade boric acid meet?

Our technical grade conforms to IS 10116:2015: boric acid (as H3BO3) 99.5% mass minimum, moisture 0.10% max, chloride (as Cl) and sulphate (as SO4) passing IS limits, free from foreign matter. Material comes from a BIS-licensed Indian manufacturer, and specifications are backed by the manufacturer's test report.

What is boric acid used for?

Boric acid serves industrial, pharmaceutical, and agricultural applications — we stock three matching grades: Technical (IS 10116:2015), Pharma (IP/BP/USP), and Agricultural. It is a white odourless powder, soluble in water (5 g/100 mL at 20°C), glycerine, and alcohols. Tell us your application and we will match the grade.

Where can I buy boric acid in Chennai?

We stock boric acid at our Redhills, Chennai warehouse and dispatch across South India — trading since 1997. Lead time runs ex-stock to 3 working days. Call or WhatsApp +91 86087 80096 for a quote.

What pack sizes is boric acid available in?

25 kg HDPE bags, 50 kg woven sacks, and 500 kg jumbo bags. Order sizes depend on packaging and current stock — tell us what you need and we will confirm availability.

Packaging Options

25 kg HDPE bag
50 kg woven sack
500 kg jumbo bag

Product Details

CAS NUMBER10043-35-3
CATEGORYAcids
GRADE
TechnicalPharma (IP/BP/USP)Agricultural
LEAD TIMEEx-stock to 3 working days

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