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Methyl triphenyl phosphonium bromide

Methyl(triphenyl)phosphanium bromide

CAS 1779-49-3

Chemical Formula C19H18BrP

Molecular Weight 381.22 g/mol

Methyltriphenylphosphonium bromide is an organophosphorus compound used in organic synthesis, specifically as a Wittig reagent and a phase transfer catalyst. It's a white, crystalline powder that acts as a precursor to the reactive methylenetriphenylphosphorane reagent, which is used in methylenation reactions. This compound is highly soluble in water and polar solvents, and its stability makes it useful in various reactions.

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Industrial Uses

1. Performance Chemicals

Wittig Reaction: The Wittig reaction is a chemical reaction that converts a carbonyl group (C=O) into a carbon-carbon double bond (C=C). Methyltriphenylphosphonium bromide, when treated with a strong base, generates a ylide (Ph3P=CH2). This ylide then reacts with an aldehyde or ketone to form an alkene and triphenylphosphine oxide. This process is crucial for synthesizing various organic molecules, including enynes and more complex structures.

2. Pharmaceuticals

Synthesis of complex molecules: The Wittig reaction, using methyl triphenyl phosphonium bromide, is a versatile tool for building complex organic molecules, including those used in pharmaceuticals.
Drug intermediates and APIs: The ability to create specific carbon-carbon double bonds is vital for synthesizing many pharmaceutical compounds.

Specifications

ASSAY	98%
Appearance	White to off-white crystalline solid
Odor	Odorless
Boiling Point	Decomposes before boiling
Melting Point	280°C
Density	1.4 g/cm3
Solubility	Soluble in polar organic solvents; sparingly soluble in water
Viscosity	Not applicable
Flash Point	Not flammable

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FAQs

1. What is the current price of Methyltriphenylphosphonium bromide in India?
The price of Methyltriphenylphosphonium bromide can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 directly for a customized quote tailored to your needs.

2. Where can I buy Methyltriphenylphosphonium bromide in India?
You can purchase Methyltriphenylphosphonium bromide from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across 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 Methyltriphenylphosphonium bromide?
Our minimum order quantity (MOQ) for Methyltriphenylphosphonium bromide 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 Methyltriphenylphosphonium bromide 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.