Nitric acid 25%
CAS No 7697-37-2
Nitric acid 25% (CAS 7697-37-2, EINECS 231-714-2, formula HNO3) is a diluted grade of nitric acid, appearing as a clear to pale yellow liquid that darkens on exposure to light. It is classified as a corrosive substance (UN2031, hazard class 8) and is used across industrial chemical processes. OQEMA supplies this grade in IBCs and cans.
- Category
- Acids
- Sub-category
- Inorganic Acids
- Formula
- HNO3
- CAS Number
- 7697-37-2
- EINECS
- 231-714-2
Applications
- Metal surface treatment and pickling
- Chemical synthesis and intermediate production
- pH adjustment and neutralization in industrial processes
- Etching and cleaning of metal surfaces
FAQ
Q: What is the chemical formula of nitric acid 25%?
A: Nitric acid 25% has the formula HNO3 and CAS number 7697-37-2.
Q: How is nitric acid 25% packaged?
A: It is supplied in IBCs and cans.
Q: What hazard class does nitric acid 25% belong to?
A: It is classified under UN2031, hazard class 8 (corrosive).
Available materials
| Material | Packaging | Quantity |
|---|---|---|
| Nitric acid 25% IBC 1000l | IBC | 1150 KG |
| Nitric acid 25% IBC 600l | IBC | 690 KG |
| Nitric acid 25% can 20l | Can | 23 KG |
| Nitric acid 25% drum | — | 58 KG |
Transport classification (ADR)
- UN number
- UN2031
- Class of Danger
- 8
Transport classification is given for guidance only. Always refer to the safety data sheet for the authoritative classification.