115-25-3
perfluorocyclobutane
CAS: 115-25-3
Molecular Formula: C4F8
115-25-3 - Names and Identifiers
| Name | perfluorocyclobutane |
| Synonyms | C318 PFC C-318 PERFLUOROCYCLOBUTANE Perfiuorocyclobutane perfluorocyclobutane OCTAFLUOROCYCLOBUTANE octafluorocyclobutane cyclobutane,octafluoro- Cyclobutane, octafluoro- FC-C-318~Perfluorocyclobutane 1,1,2,2,3,3,4,4-Octafluorocyclobutane 1-chloro-2-[chloro(difluoro)methyl]benzene Octafluorocyclobutane (in cylinder without valve) |
| CAS | 115-25-3 |
| EINECS | 204-075-2 |
| InChI | InChI=1/C4F8/c5-1(6)2(7,8)4(11,12)3(1,9)10 |
115-25-3 - Physico-chemical Properties
| Molecular Formula | C4F8 |
| Molar Mass | 200.03 |
| Density | 1,48 g/cm3 |
| Melting Point | -41.4 °C |
| Boling Point | -6 °C |
| Vapor Presure | 2220mmHg at 25°C |
| Refractive Index | 1.217 |
| Physical and Chemical Properties | Character non-flammable non-toxic gas. melting point -41.4 ℃ boiling point -5.85 ℃ |
| Use | To be used in the formulation of an alternative CFC-12 mixed refrigerant, which can be used as a stable non-toxic pharmaceutical aerosol propellant |
115-25-3 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | S23 - Do not breathe vapour. S38 - In case of insufficient ventilation, wear suitable respiratory equipment. |
| UN IDs | 1976 |
| TSCA | T |
| Hazard Note | Irritant |
| Hazard Class | 2.2 |
115-25-3 - Reference Information
| LogP | 1.97 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | octafluorocyclobutane has stable chemical properties, non-toxic and harmless, low greenhouse effect potential (GWP) value, and zero ozone depletion index (ODP) value. it is a kind of green and environment-friendly special gas. |
| use | octafluorocyclobutane has a very wide range of applications. in recent years, it has been widely used as refrigerants to replace banned chlorofluorocarbons. in addition, it is also commonly used in gas insulating media, solvents, sprays, foaming agents, large-scale circuit etchants, heat pump working fluids, and raw materials for producing C2F4 and C3F6 monomers. High purity octafluorocyclobutane (above 5N) is used as etchant and cleaning agent for VLSI. It is mainly used to prepare mixed refrigerants for alternative CFC-12, and can be used as a stable and non-toxic drug aerosol propellant This product can be used as one of the components of mixed refrigerants for alternative CFC-12, and is a completely non-destructive and long-term alternative to the ozone layer. It can also be used as an aerosol. |
| application | octafluorocyclobutane has been widely used in high voltage insulation, cleaning and etching, plasma treatment and other technical fields in recent years due to its stable properties, non-toxicity, zero ozone depletion potential (ODP), good insulation, etc. |
| category | compressed gas and liquefied gas |
| toxicity classification | low toxicity |
| acute toxicity | inhalation-mouse LCL0: 78000 PPM/2 hours |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from flammable materials |
| fire extinguishing agent | water |
| occupational standard | TWA 200 mg/m3; STEL 500 mg/m3 |
Last Update：2024-04-09 02:00:06
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View History
115-25-3
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3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol
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D(+)-Carvone
125735-40-2
112-29-8
24916-91-4
3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol
40691-33-6
5-(methylsulfanyl)thiophene-2-carbaldehyde
585-86-4
5596-07-6