Heptafluoroisopropyl iodide
Synonym(s):2-Iodoperfluoropropane;Heptafluoroisopropyl iodide;Perfluoroisopropyl iodide
- CAS NO.：677-69-0
- Empirical Formula: C3F7I
- Molecular Weight: 295.93
- MDL number: MFCD00042089
- EINECS: 211-643-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:22:20
What is Heptafluoroisopropyl iodide?
Chemical properties
clear colorless to yellowish liquid
The Uses of Heptafluoroisopropyl iodide
Heptafluoro-2-iodopropane may be used in the preparation of perfluoropropyl magnesium bromide and perfluoropropyl magnesium iodide. It may be used as chain-transfer agent in telomerization reactions of:
- 1,1-difluoroethylene and tetrafluoroethylene
- CF3I, C2F5I and n-C3F7I with 1,1-difluoroethylene
- n-C3F7I with tetrafluoroethylene
General Description
Heptafluoro-2-iodopropane is a secondary fluoro alkyl iodide. It can be prepared by addition of iodine monofluoride to hexafluoropropene.
Flammability and Explosibility
Non flammable
Purification Methods
Purify it by gas chromatography on a triacetin (glyceryl triacetate) column, followed by bulb-to-bulb distillation at low temperature. Store it over Cu powder to stabilise it. UV has max at 271nm ( 240) in pet ether (b 60-80o). [Haszeldine J Chem Soc 1767, 3761 1953, Beilstein 1 III 255, 1 IV 225.]
Properties of Heptafluoroisopropyl iodide
| Melting point: | -58 °C |
| Boiling point: | 40 °C (lit.) |
| Density | 2.08 g/mL at 25 °C (lit.) |
| vapor pressure | 7.12 psi ( 20 °C) |
| refractive index | n |
| Flash point: | 38°C |
| storage temp. | 2-8°C |
| form | clear liquid |
| Specific Gravity | 2.10 |
| color | Colorless to Light yellow to Light red |
| Water Solubility | insoluble |
| Sensitive | Light Sensitive |
| BRN | 1841228 |
| Exposure limits | ACGIH: TWA 0.01 ppm |
| CAS DataBase Reference | 677-69-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Propane, 1,1,1,2,3,3,3-heptafluoro-2-iodo-(677-69-0) |
| EPA Substance Registry System | Propane, 1,1,1,2,3,3,3-heptafluoro-2-iodo- (677-69-0) |
Safety information for Heptafluoroisopropyl iodide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Heptafluoroisopropyl iodide
| InChIKey | BBZVTTKMXRPMHZ-UHFFFAOYSA-N |
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