NITROSONIUM HEXAFLUOROPHOSPHATE
- CAS NO.：16921-91-8
- Empirical Formula: F6H2NOP
- Molecular Weight: 176.99
- MDL number: MFCD00040324
- EINECS: 240-980-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:46:06
What is NITROSONIUM HEXAFLUOROPHOSPHATE?
Chemical properties
Colorless or white crystals
The Uses of NITROSONIUM HEXAFLUOROPHOSPHATE
Nitrosonium Hexafluorophosphate, is used as initiator in the polymerization reactions of 1,2-epoxides such as styrene oxide, cyclohexene oxide and 1,2-epoxybutane. Further, it is involved in the polymerization of styrene, n-butyl vinyl ether and tetrahydrofuran.
Properties of NITROSONIUM HEXAFLUOROPHOSPHATE
| solubility | Soluble in acetonitrile. |
| form | Crystals |
| color | Colorless or white |
| Sensitive | Hygroscopic |
| CAS DataBase Reference | 16921-91-8(CAS DataBase Reference) |
| EPA Substance Registry System | Phosphate(1-), hexafluoro-, nitrosyl (16921-91-8) |
Safety information for NITROSONIUM HEXAFLUOROPHOSPHATE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for NITROSONIUM HEXAFLUOROPHOSPHATE
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