Is dichloromethane chemical (cas 75 09 2) banned in the UK?
Dichloromethane (DCM) is banned for general public sale and use in paint strippers in the UK, but it is not fully banned for professionals; trained and certified professionals can use it under strict safety rules.
chemical structure:
The chemical formula for methylene chloride chemical is CH₂Cl₂. The molecule of this compound adopts a tetrahedral structure, with the carbon atom at the center surrounded by two hydrogen atoms and two chlorine atoms.


What Are the Usage Rules for DCM Dichloromethane in the UK?
- Public: Dichloromethane (DCM)-based paint removers are prohibited.
- Professional conservationists: Must complete HSE training and pass an examination to obtain certification.
- Industrial users: Use of dichloromethane is permitted in locations with effective ventilation and strict safety protocols.
Why CAS 75-09-2 DCM Is Restricted in the UK
High toxicity
DCM vapours are neurotoxic and can damage the brain and nervous system. They can cause dizziness, headaches and confusion. High concentrations can cause coma or death.
Carcinogenic risk
Dichloromethane is a Group 2 suspected carcinogen. This is based on animal studies demonstrating a potential link with cancer.
Organ damage
Prolonged or improper exposure to dichloromethane can damage vital organs, including the heart, liver, lungs and blood.
High exposure risk
Methylene Chloride evaporates quickly, producing high concentrations of low-odor vapours. People can easily inhale these vapours without realising, greatly increasing the risk of exposure.
Environmental issues
As well as being harmful to health, DCM is also a greenhouse gas, which has a negative impact on the environment.
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