3-Fluorotoluene
3-Fluorotoluene (CAS: 352-70-5; Formula: CH3C6H4F; Molar Mass: 110.13 g/mol) is a fluorinated aromatic organic compound. This colourless liquid serves as a valuable building block in organic synthesis. It is employed in the development of various chemical intermediates and research chemicals, finding utility in specialised synthesis applications within the pharmaceutical and fine chemical industries.

Synthesis of 3-Fluorobenzaldehyde
3-Fluorotoluene has been utilised in the gas-phase selective synthesis of 3-fluorobenzaldehyde, a key intermediate in the production of pharmaceuticals and agrochemicals.
Mass Spectrometry Applications
This compound has been used in mass spectrometry for the generation of tolyl cations via chemical ionisation, aiding in structural elucidation of organic molecules.
Organic Synthesis Building Block
As a fluorinated aromatic, 3-Fluorotoluene is a versatile building block for introducing the 3-fluorotolyl moiety into more complex organic structures.
| Molecular weight | 110.13 |
|---|---|
| Linear formula | CH3C6H4F |
| Assay | 99% |
| Boiling point | 115 °C(lit.) |
| Density | 0.991 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.469(lit.) |
| Application | 3-Fluorotoluene was used in gas phase selective synthesis of 3-fluorobenzaldehyde1. It was used in generation of tolyl cations by chemical ionization in mass spectrometry2. |
| Melting point | −87 °C(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 9 °C / 48.2 °F |
| Transport (UN / ADR) | UN 2388 3 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 3-Fluorotoluene used for?
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3-Fluorotoluene is used as a building block in organic synthesis, including applications in the selective synthesis of 3-fluorobenzaldehyde and in mass spectrometry for generating tolyl cations.
What are the CAS number and formula for 3-Fluorotoluene?
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The CAS number for 3-Fluorotoluene is 352-70-5, and its chemical formula is CH3C6H4F.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluorotoluene with a purity of 99%. We do not represent this product as USP, BP, or EP grade.
How should 3-Fluorotoluene be handled safely?
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3-Fluorotoluene is a flammable liquid and vapour (H225) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment including safety glasses, gloves, and respiratory protection in a well-ventilated area. Keep away from heat, sparks, and open flames.
How is 3-Fluorotoluene packed and shipped?
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3-Fluorotoluene is typically packed in UN-approved containers suitable for hazardous materials and is exported by Tech Serve Solutions in compliance with international shipping regulations for flammable liquids.
How can I request a quote or sample for 3-Fluorotoluene?
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To request a quote or sample for 3-Fluorotoluene, please contact our sales department through the website or by phone, providing your details and required quantity.
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