Hydrofluoric acid 40%
CAS No 7664-39-3
Hydrofluoric acid 40% (CAS 7664-39-3, EINECS 231-634-8, formula HF) is a colorless to slightly yellowish liquid with an acidic odor, classified as a fluoride acid (UN1790, hazard class 8). It is used across a range of industrial applications. OQEMA supplies hydrofluoric acid 40% in IBCs and cans.
- Category
- Acids
- Sub-category
- Inorganic Acids
- Formula
- HF
- CAS Number
- 7664-39-3
- EINECS
- 231-634-8
Applications
- Metal surface treatment and pickling
- Glass and silicon etching
- Raw material for fluorochemical synthesis
- Cleaning agent in industrial processes
FAQ
Q: What is hydrofluoric acid 40% used for?
A: It is used industrially for metal surface treatment, etching of glass and silicon, and as a raw material in fluorochemical synthesis.
Q: How is hydrofluoric acid 40% supplied?
A: OQEMA supplies hydrofluoric acid 40% in IBCs and cans.
Q: What is the UN number and hazard class of hydrofluoric acid 40%?
A: It is classified as UN1790, hazard class 8.
Available materials
| Material | Packaging | Quantity |
|---|---|---|
| Hydrofluoric acid 40% can 25 kg | — | 25 KG |
| Hydrofluoric acid 40% can 30 kg | Can | 30 KG |
| Hydrofluoric acid 40% IBC 1000 l | IBC | 1000 KG |
Transport classification (ADR)
- UN number
- UN1790
- Class of Danger
- 8
Transport classification is given for guidance only. Always refer to the safety data sheet for the authoritative classification.