CAS No 75-09-2 Dichloromethane (methylene chloride) has long been a primary and highly effective solvent in paint removers due to its powerful dissolving ability and rapid penetration, but its use is now strictly restricted due to serious health risks.
Dichloromethane (DCM) Specifications Table
| Item | Specification |
|---|---|
| Product Name | Dichloromethane (DCM) / Methylene Chloride |
| CAS No. | 75-09-2 |
| Molecular Formula | CH₂Cl₂ |
| Molecular Weight | 84.93 g/mol |
| Appearance | Colorless, transparent liquid |
| Odor | Characteristic ether-like odor |
| Purity (GC, w/%) | ≥99.9% (Industrial Grade) / ≥99.99% (HPLC Grade) |
| Water Content (w/%) | ≤0.02% (Industrial Grade) / ≤0.005% (Anhydrous Grade) |
| Acidity (as HCl, w/%) | ≤0.0005% |
| Residue on Evaporation (w/%) | ≤0.001% |
| Boiling Point (at 1 atm) | 39.6–40.1 °C |
| Melting Point | -96.7 °C |
| Density (20 °C, g/mL) | 1.325–1.330 |
| Refractive Index (20 °C) | 1.4240–1.4250 |
| Flash Point | Non-flammable |
| Vapor Pressure (20 °C) | ~47 kPa |
| Solubility | Slightly soluble in water (20 g/L at 20 °C); miscible with ethanol, ether, benzene, etc. |
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Why Is Dichloromethane Used in Paint Removers?
1. Powerful Paint Removal Ability
Dichloromethane rapidly decomposes paint films, varnishes, coatings, and adhesives. This makes it a highly effective choice for industrial and commercial paint removal.
2. Rapid Penetration and Action
DCM methylene chloride penetrates deep into coatings, causing them to swell and loosen, making them easy to peel off from the surface. This allows coatings to be removed within minutes.
3. Low Boiling Point
Dichloromethane liquid has a boiling point of approximately 40°C, resulting in rapid evaporation and minimal residue, shortening cleaning time.
4. Suitable for a Variety of Surfaces
Dichloromethane paint remover is suitable for metal surfaces, wood, concrete, industrial equipment, etc.
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High-Purity DCM CAS 75-09-2 Solvent Supplier
For safety reasons, many countries regulate the use of dichloromethane chemical: it is restricted in consumer-grade paint removers (e.g., the US, EU). However, it is still used for industrial and professional purposes in other countries, requiring proper ventilation and protective equipment.
fAQ
1. What purity grade do you supply?
– Typically ≥ 99.8 % GC, with methanol ≤ 50 ppm, chloromethane ≤ 100 ppm, chloroform ≤ 50 ppm.
2. Is it flammable?
– No, this compound is non burning under standard conditions.
3. What certifications are available?
– Yes, like COA, on request by third party testing, SDS, REACH, RoHS, IMDG/IATA compliance.
4. What is the flash point?
– No flash point; non flammable (zero lower flammable limit).
5. Can it be used in food/pharma?
This compound is suitable for pharma-grade production. Ingestion of this is not authorized. COAs & regulatory documentation can be provided.
6. How should it be stored?
– In tight-sealed, vented drums at ≤ 30 °C, away from heat/oxidizers, with ventilation and spill control.
7. What is shelf life?
– It is approx 12 months if sealed as well as stored per guidelines.
8. What personal protection is needed?
– Nitrile gloves, goggles, lab coat & also local exhaust ventilation. In close-knit spaces the respirators rated for organic vapor.
9. Are there environmental concerns?
– Handles under local VOC and chlorinated solvent regulations. Disposal via licensed incineration.
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Our chemical products hold international certifications (REACH, ISO, FMQS, HALAL) for global quality recognitio. We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.
Other Hot-Selling Products
| Dimethyl Sulfoxide (DMSO) | CAS 67-68-5 |
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| Glacial Acetic Acid / Ethanoic Acid | CAS 64-19-7 |
| Ethyl Acetate / Ethyl Ethanoate | CAS 141-78-6 |
| Ethylene Glycol / Monoethylene Glycol (MEG) | CAS 107-21-1 |
| Trichloroethylene | CAS 79-01-6 |
| Cyclohexanone | CAS 108-94-1 |
Gneebio Product Packaging
| Packaging Type | Net Weight |
|---|---|
| Steel Drum | 250 kg |
| IBC Tank | 1250 kg |
| ISO Tank | Bulk shipment |
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