Hydrofluoric Acid (40%/60%/70% Aqueous Solution)
Colourless, fuming liquid with a pungent odour, supplied as an aqueous solution · CAS 7664-39-3
Overview
Hydrofluoric Acid (40%/60%/70% Aqueous Solution) (CAS 7664-39-3) is one of the acids & descalants products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for pickling and surface treatment of stainless steel and other metals; etching of glass and silicon wafers (semiconductor/electronics industry); alkylation catalyst in petroleum refining, among other applications in the acids & descalants category. We pack Hydrofluoric Acid (40%/60%/70% Aqueous Solution) in hDPE carboys / HDPE-lined drums / ISO tankers (never glass), and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Concentration | 40% / 60% / 70% w/w (aqueous solution) |
| Specific Gravity (40%, 20°C) | 1.12 – 1.14 |
| Iron (as Fe) | 20 ppm Max |
| Sulphate | 50 ppm Max |
Values above are well-established typical/standard specification properties for this product, compiled from published technical references — not a batch-specific lab report. Figures can vary batch to batch — request a current certificate of analysis with your order.
Applications
- Pickling and surface treatment of stainless steel and other metals
- Etching of glass and silicon wafers (semiconductor/electronics industry)
- Alkylation catalyst in petroleum refining
- Feedstock for fluorochemicals and fluoropolymer manufacture
Frequently Asked Questions
What is Hydrofluoric Acid (40%/60%/70% Aqueous Solution)?
Hydrofluoric Acid (40%/60%/70% Aqueous Solution) is supplied by Suraj Chemicals as colourless, fuming liquid with a pungent odour, supplied as an aqueous solution, identified by CAS number 7664-39-3. It falls under our Acids & Descalants range — see the Specification Sheet table above for its full characteristics.
What is Hydrofluoric Acid (40%/60%/70% Aqueous Solution) used for?
Typical applications include: Pickling and surface treatment of stainless steel and other metals; Etching of glass and silicon wafers (semiconductor/electronics industry); Alkylation catalyst in petroleum refining; Feedstock for fluorochemicals and fluoropolymer manufacture.
How should Hydrofluoric Acid (40%/60%/70% Aqueous Solution) be stored and handled?
Extremely corrosive — attacks and etches glass, so must be stored only in HDPE/polyethylene (plastic) containers, never glass; keep away from metals (reacts to generate flammable hydrogen gas) and in a cool, well-ventilated area. Causes severe, sometimes delayed-onset burns — handle strictly per SDS with appropriate PPE.
What packaging and pack sizes does Suraj Chemicals supply Hydrofluoric Acid (40%/60%/70% Aqueous Solution) in?
HDPE carboys / HDPE-lined drums / ISO tankers (never glass). Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Hydrofluoric Acid (40%/60%/70% Aqueous Solution)?
Typically 24 months from date of manufacture in tightly sealed original containers, stored in a cool, well-ventilated place away from heat, sparks and direct sunlight — consistent with standard practice for this class of chemical. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Hydrofluoric Acid (40%/60%/70% Aqueous Solution) hazardous to handle?
Yes — Hydrofluoric Acid (40%/60%/70% Aqueous Solution) is corrosive to skin, eyes and common metals; reactive with certain materials — check compatibility before storing near other chemicals; flammable and should be kept away from heat, sparks and open flame. Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Hydrofluoric Acid (40%/60%/70% Aqueous Solution)?
Yes — a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Hydrofluoric Acid (40%/60%/70% Aqueous Solution) is also available above.
Can I get a sample or discuss order quantity for Hydrofluoric Acid (40%/60%/70% Aqueous Solution)?
Yes — use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Hydrofluoric Acid (40%/60%/70% Aqueous Solution).