Dibromomethane
- CAS No.74-95-3
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity Dibromomethane (CAS 74-95-3) ≥99.5%, ideal as a versatile halogenated intermediate for organic synthesis and specialty chemical manufacturing.
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Product Overview
Dibromomethane (CAS 74-95-3), also known as methylene bromide, is a colorless to pale yellow transparent liquid with high chemical reactivity due to its two bromine atoms. As a key dihalogenated alkane, it serves as a critical building block in advanced organic synthesis, particularly in the preparation of organometallic reagents, pharmaceutical intermediates, and agrochemical compounds. Our product meets stringent industrial purity standards, ensuring consistent performance in demanding chemical processes.
Specifications
| Molecular Formula | CH₂Br₂ |
|---|---|
| Molecular Weight | 173.84 g/mol |
| Density | 2.477 g/cm³ |
| Melting Point | -52°C |
| Boiling Point | 96–98°C |
| Refractive Index | 1.541 |
| Assay | ≥99.5% |
| Moisture | ≤100 ppm |
| Color (APHA) | ≤30 |
| Acidity (as mgKOH/g) | ≤0.0018 |
| Dichloromethane (DCM) | ≤0.5% |
| Bromochloromethane (BCM) | ≤0.5% |
| Specific Gravity (20/4°C) | ≥2.48 |
Industrial Applications
Dibromomethane is primarily utilized as a synthetic intermediate in the following sectors:
- Pharmaceutical R&D: Precursor for Grignard and lithium reagents in complex molecule construction.
- Agrochemical Manufacturing: Building block for selective herbicides and fungicides.
- Specialty Polymers: Chain-transfer agent or crosslinking modifier in controlled polymerization.
- Chemical Research: Solvent and reagent in halogen-exchange and cyclization reactions.
Stored in a cool, well-ventilated area away from heat and incompatible materials, Dibromomethane is typically packed in 250 kg steel drums or customized containers per client specifications. All batches are accompanied by a Certificate of Analysis (COA) to guarantee quality and traceability.
