Diphenyliodonium nitrate
Synonym(s):DPIN
- CAS NO.：722-56-5
- Empirical Formula: C12H10INO3
- Molecular Weight: 343.12
- MDL number: MFCD00031704
- EINECS: 211-962-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:17:13
What is Diphenyliodonium nitrate?
Chemical properties
White to greyish fine crystalline powder
The Uses of Diphenyliodonium nitrate
Cationic photoinitiator. Photoacid generator.
What are the applications of Application
A cationic photoinitiator
General Description
Diphenyliodonium nitrate (DPIN) is a photoacid generator (PAG) that goes through photolysis reaction which can be used in the lithographic formation of UV reactive polymers. It can also be used in forming a light tuned self-assembled polyelectrolytic structures.
Properties of Diphenyliodonium nitrate
| Melting point: | 150-154 °C (lit.) |
| Density | 1.7164 (estimate) |
| solubility | soluble in Methanol |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | Soluble in hot water |
| Sensitive | Light Sensitive |
| BRN | 3922747 |
| CAS DataBase Reference | 722-56-5(CAS DataBase Reference) |
Safety information for Diphenyliodonium nitrate
| Signal word | Danger |
| Pictogram(s) |
 Flame Over Circle Oxidizers GHS03 |
| GHS Hazard Statements |
H272:Oxidising liquids;Oxidising solids |
| Precautionary Statement Codes |
P220:Keep/Store away from clothing/…/combustible materials. |
Computed Descriptors for Diphenyliodonium nitrate
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