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Ethyl triphenyl phosphonium bromide

Triphenylethylphosphonium bromide; ETPB

CAS 1530-32-1

Chemical Formula C20H20BrP

Molecular Weight 371.26 g/mol

Ethyl triphenylphosphonium bromide is an organophosphorus compound used as a reagent in organic synthesis, particularly in Wittig reactions to create alkenes. It acts as a phase transfer catalyst, facilitating reactions between organic and inorganic compounds. The compound is a white crystalline powder, hygroscopic, and soluble in water.

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Industrial Uses

1. Performance Chemicals

Wittig Reaction: The Wittig reaction is a powerful tool for creating carbon-carbon double bonds. It involves the reaction of a phosphonium ylide (generated from ethyl triphenylphosphonium bromide) with a carbonyl compound (like an aldehyde or ketone).

2. Pharmaceuticals

Phase Transfer Catalyst: ETPBr facilitates reactions in biphasic systems (where two immiscible liquids are present) by transferring reactants from one phase to another, enhancing reaction rates and yields.
Wittig Reactions: ETPBr is a key component in the Wittig reaction, which is a method for synthesizing alkenes (compounds with a carbon-carbon double bond). Many pharmaceuticals contain alkene structures, making this reaction vital for their production.

Specifications

ASSAY	98%
Appearance	White to off-white crystalline solid
Odor	Odorless
Boiling Point	Decomposes before boiling
Melting Point	250°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 Ethyl triphenylphosphonium bromide in India?
The price of Ethyl triphenylphosphonium 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 Ethyl triphenylphosphonium bromide in India?
You can purchase Ethyl triphenylphosphonium 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 Ethyl triphenylphosphonium bromide?
Our minimum order quantity (MOQ) for Ethyl triphenylphosphonium 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 Ethyl triphenylphosphonium 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.