Tianjin Gnee Biotech Co., Ltd. supplies methylene chloride (Dichloromethane, DCM, CAS 75-09-2) to industrial buyers looking for a practical source for both trial orders and bulk purchasing. Instead of quoting a standard product price only, Gnee Bio can work with buyers on the required purity, packaging, quantity, application, and destination before confirming the order.
For buyers sourcing dichloromethane from China, this can make the purchasing process easier from the beginning. You can send your existing specification or COA, request a sample for testing, and confirm the product documents and packaging before moving to a larger order. Pricing can then be discussed based on the actual quantity and shipping requirements.
Why Buy Methylene Chloride From Tianjin Gnee Biotech Co., Ltd. ?
Gnee Bio gives industrial buyers a way to evaluate the product first and then move to bulk purchasing once the specification and application are confirmed.
For buyers comparing several methylene chloride suppliers, the main points to confirm with Gnee Bio include:
- Product specification: Confirm the required DCM purity and quality requirements.
- Sample testing: Request a sample before committing to a larger quantity.
- Product documents: SDS, TDS, and COA can be provided according to product and order requirements.
- Packaging: Discuss packaging based on quantity, transportation, and destination.
- Bulk purchasing: Request a quotation based on your actual order quantity rather than a generic online price.
- Shipping: Confirm lead time and shipping arrangements for your destination.
If you already purchase DCM from another supplier, you can send your current specification or COA to Gnee Bio for comparison. This gives both sides a clearer starting point and avoids choosing a supplier based on price alone.
What Is Methylene Chloride Used For?
Methylene chloride is widely used as an industrial solvent where strong solvency and fast evaporation are useful.
Common applications include:
- Adhesives and sealants
- Chemical processing
- Metal cleaning
- Resin and polymer processing
- Pharmaceutical processing
- Coatings and paint-related applications
- Industrial cleaning
- Selected extraction processes
Its low boiling point allows DCM to evaporate quickly after use, which can be useful when short drying or processing times are required.
The suitability of DCM still depends on the material being dissolved or removed, the operating conditions, and substrate compatibility.
What Solvents Can Replace Methylene Chloride?
NMP, benzyl alcohol, DBE, acetone, propylene carbonate, and solvent blends are possible DCM alternatives, depending on the application.
There is no universal replacement because each solvent has different solvency, evaporation, boiling point, flammability, and compatibility characteristics.
| Solvent | Main Characteristics | Possible Applications |
|---|---|---|
| NMP | High solvency, high boiling point | Coating and polymer removal |
| Benzyl Alcohol | Good solvency, slow evaporation | Paint and coating stripping |
| DBE | High-boiling solvent blend | Cleaning and stripping |
| Acetone | Fast evaporation | Cleaning and selected coating applications |
| Propylene Carbonate | Low volatility, polar solvent | Formulated cleaning systems |
| Solvent Blends | Adjustable properties | Specific industrial processes |
A DCM replacement should be tested on the actual coating, adhesive, resin, substrate, or contaminant. A solvent that looks similar on paper may require a different processing temperature, contact time, or drying period.
DCM vs. Alternative Solvents: What Should Buyers Compare?
DCM combines strong solvency with very fast evaporation, while many alternative solvents are slower and require different processing conditions.
| Factor | DCM | NMP | Benzyl Alcohol | Acetone |
|---|---|---|---|---|
| Solvency | High for many applications | High | High for many coatings | Moderate to high |
| Evaporation | Very fast | Slow | Slow | Very fast |
| Boiling Point | ~40°C | High | ~205°C | ~56°C |
| Process Speed | Often fast | Often slower | Often slower | Fast |
| Flammability Considerations | Different from typical flammable solvents | Low flammability | Combustible | Highly flammable |
The right choice depends on the process. A high-boiling replacement, for example, may work well for a stripping application but increase drying time.
For buyers, performance per application is more useful than comparing solvent prices per kilogram alone.
Is Methylene Chloride Safe to Use?
Methylene chloride requires controlled industrial handling, and buyers should check the safety and regulatory requirements for their specific use and destination.
DCM vapor can present health risks, so users need appropriate ventilation, workplace controls, PPE, storage procedures, and handling practices.
In the United States, EPA has established restrictions under TSCA for methylene chloride, including prohibitions on certain uses and requirements for some uses that remain permitted.
International buyers should check local requirements before ordering, including:
- Intended-use restrictions
- Import requirements
- Transportation regulations
- Storage requirements
- Workplace exposure controls
- Waste handling requirements
The supplier's SDS provides important safety information, but buyers should also confirm the regulations applicable to their own country and application.
Buy Methylene Chloride From Tianjin Gnee Biotech Co., Ltd.
Tianjin Gnee Biotech Co., Ltd. supplies Dichloromethane (DCM, CAS 75-09-2) for industrial buyers and provides product specifications, SDS, TDS, COA, samples, and bulk purchasing support according to product and order requirements.
If you are sourcing methylene chloride, dichloromethane, or bulk DCM from China, send us your required purity, quantity, packaging, application, and destination.
