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| CAS number | 375-72-4 |
| Molecular formula | C4F10O2S |
| Product name | 375-72-4 Nonafluorobutanesulfonyl fluoride |
| Molecular Structure |  |
Appearance：clear colorless or slightly yellow liquid
Density：1.68
Boiling Point：64ºC
Melting Point：-110ºC
Flash Point：65-66ºC
Refractive Index：1.3
