1,2-Dibromopropane

1,2-Dibromopropane

Propylene dibromide; Propane, 1,2-dibromo-; α,β-Dibromopropane; 1,2-DBP

CAS 78-75-1

Chemical Formula C₃H₆Br₂

Molecular Weight 201.89 g/mol

1,2-Dibromopropane is an organic compound used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. It is also employed in research and chemical manufacturing for introducing brominated propyl groups into target molecules.

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Industrial Uses

1. Pharmaceuticals

  • Intermediate in Heterocyclic Compound Synthesis: 1,2-Dibromopropane is a versatile bifunctional alkylating agent that can link nucleophilic groups like amines or thiols, making it valuable in creating heterocyclic rings or bioactive compound frameworks.
  • Precursor for Chiral Centers in Drug Molecules: Due to the vicinal (neighboring) bromine atoms, it serves in synthesis of chiral compounds where stereochemistry is critical, helping design molecules with selective biological activity.

2. Agrochemicals

  • Intermediate for Symmetric and Asymmetric Agrochemical Compounds: Used in manufacturing fungicides and herbicides where the two bromine atoms provide multiple reactive points to build complex molecules with improved uptake and environmental stability.
  • Precursor for Quaternary Compounds: Can react with nitrogen-containing compounds to form branched or symmetric quaternary ammonium salts, which are used as disinfectants, algaecides, or soil conditioners.

3. Polymers & Resins

  • Crosslinking Agent for Thermoset Resins: The dual bromine atoms allow for crosslinking reactions with polymer backbones, used in the production of epoxy resins, polyurethane foams, and vinyl-based polymers with enhanced thermal and chemical resistance.
  • Modifier for Fire-Retardant Polymers: The bromine content helps enhance flame retardancy in polymers by releasing bromine radicals that suppress combustion during decomposition.

4. Performance Chemicals

  • Building Block for Organobromine Compounds: Used in the synthesis of specialty halogenated compounds, including flame retardants, lubricants, surfactants, and reaction initiators.
  • Intermediate for Reactive Dyes and Pigments: Its reactivity allows it to be incorporated into molecules for dye intermediates used in textile and leather processing.
  • Study Molecule in Mechanistic Organic Chemistry: As a vicinal dihalide, it is ideal for demonstrating dehydrohalogenation (elimination) reactions, especially E2 mechanisms, and for synthesizing alkenes or epoxides.
  • Model Compound in Stereochemistry and Conformational Analysis: Its structure is valuable in understanding stereochemical effects in adjacent dihalide systems, useful for educational demonstrations and research models.

Specifications

Assay ≥ 98%
Appearance Colorless to pale yellow liquid
Odor Sweet, chloroform-like odor
Boiling Point ~141–143 °C
Melting Point ~−67 °C
Density ~1.99 g/cm³ at 20 °C
Solubility Slightly soluble in water; miscible with alcohol, ether
Viscosity ~2.4 cP at 25 °C
Flash Point ~49 °C (closed cup)

Hazard Symbols

Acute Toxicity
Irritants/Sensitisers/Other Hazards
Environmental Hazard

FAQs

1. What is the current price of 1,2-Dibromopropane in India?
The price of 1,2-Dibromopropane can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.630 100 6301 directly for a customized quote tailored to your needs.

2. Where can I buy 1,2-Dibromopropane in India?
You can purchase 1,2-Dibromopropane from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for 1,2-Dibromopropane?
Our minimum order quantity (MOQ) for 1,2-Dibromopropane is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of 1,2-Dibromopropane supplied by Multichem?                   
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.