Trichlorofluoromethane
Trichlorofluoromethane (CAS: 75-69-4, Formula: Cl3CF) is a halogenated hydrocarbon with a molecular weight of 137.37 g/mol. This compound is recognised for its historical use as a refrigerant and propellant, though its applications are now significantly limited due to its ozone-depleting properties. It is supplied by TSS as a high-purity chemical for specialised industrial and research purposes, handled with appropriate safety precautions.
- IUPAC
- CFC-11,Fluorotrichloromethane,Freon® 11

Refrigerant
Historically, Trichlorofluoromethane was widely used as a refrigerant in various cooling systems due to its thermodynamic properties. Its use in this capacity has been phased out in many regions due to environmental regulations.
Propellant
The compound served as a propellant in aerosol products. However, like its use as a refrigerant, this application has been largely discontinued globally because of its impact on the ozone layer.
Chemical Intermediate
Trichlorofluoromethane can function as a building block or intermediate in specialised organic synthesis. Its reactive chlorine and fluorine atoms allow for the introduction of specific functional groups in complex molecular structures.
Research and Development
It is utilised in laboratory settings for research purposes, particularly in studies concerning halogenated compounds or atmospheric chemistry. Its unique properties make it a subject of scientific investigation.
| Molecular weight | 137.37 |
|---|---|
| Linear formula | Cl3CF |
| Assay | ≥99.5% |
| Boiling point | 23.7 °C(lit.) |
| Density | 1.494 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.3821(lit.) |
| Solubility | water: soluble1 g/L |
| Melting point | −111-−110 °C(lit.) |
| Vapour pressure | 12.85 psi (20 °C)39.17 psi (55 °C) |
| Vapour density | 5.04 (vs air) |
| Storage temperature | 2-8°C |
| Application | Please view www.aldrich.com/epaods regarding the EPA′s request for application information of Ozone Depleting Substances |

Hazard statements
- H312Harmful in contact with skin
- H420
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 21-59 |
| Safety statements (S) | 36/37-59 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Trichlorofluoromethane used for?
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Trichlorofluoromethane has historically been used as a refrigerant and aerosol propellant. It is also employed as a chemical intermediate and in research and development concerning halogenated compounds.
What is the CAS number and chemical formula for Trichlorofluoromethane?
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The CAS number for Trichlorofluoromethane is 75-69-4, and its chemical formula is Cl3CF.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trichlorofluoromethane with an assay of ≥99.5%. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade; it is suitable for technical and research applications.
What are the main hazards associated with Trichlorofluoromethane?
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Trichlorofluoromethane is classified with GHS07 symbol and a 'Warning' signal word. It carries hazard statements H312 (Harmful in contact with skin) and H420 (Damaging to the ozone layer). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used.
How is Trichlorofluoromethane packed, shipped, or exported?
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Trichlorofluoromethane is packed, shipped, and exported in compliance with all relevant transportation regulations for hazardous materials. It is classified under UN 3082, Class 9, Packing Group III.
How can I request a quote or sample of Trichlorofluoromethane?
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To request a quote or a sample of Trichlorofluoromethane, please contact the Tech Serve Solutions sales team through our website or by telephone. Details are available in the contact section.
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