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Methyl triphenyl Phosphonium Bromide

Methyl triphenyl Phosphonium Bromide

CAS Number: 1779-49-3

Molecular Formula: C19H18BrP

About Methyl triphenyl Phosphonium Bromide

Methyltriphenylphosphonium bromide (CAS 1779-49-3) remains a cornerstone Wittig reagent in the United States fine chemical sector, primarily utilized for high-precision methylenation of aldehydes and ketones in the synthesis of complex pharmaceutical intermediates and specialty olefins. As North American CDMOs increasi...

Variants

Methyltriphenylphosphonium bromide

CAS: 1779-49-3

Methyl triphenyl Phosphonium Bromide Specifications

CAS Number

1779-49-3

Molecular Formula

C19H18BrP

Molecular Weight

357.23 g/mol

IUPAC Name

methyl(triphenyl)phosphanium bromide

Canonical SMILES

C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]

InChI Key

LSEFCHWGJNHZNT-UHFFFAOYSA-M

PubChem CID

74505

CAS Number

1779-49-3

Molecular Formula

C19H18BrP

Molecular Weight

357.23 g/mol

IUPAC Name

methyl(triphenyl)phosphanium bromide

Canonical SMILES

C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]

InChI Key

LSEFCHWGJNHZNT-UHFFFAOYSA-M

PubChem CID

74505

Molecular Weight

357.23 g/mol

Physical appearance

White powder to crystaline

Wittig Reagent

A principal precursor to methylenetriphenylphosphorane, widely utilized as a methylenating reagent for the conversion of carbonyl compounds into alkenes

Phase Transfer Catalyst

A high-performance catalyst used to facilitate reactions between immiscible phases, particularly effective in the production of powder coatings, antioxidants, and metal extraction processes

Organic Synthesis Intermediate

A versatile building block employed in the synthesis of complex organic molecules, including pharmaceuticals and advanced materials like benzazepine ring systems

Research Tool

A lipophilic cation used in biological assays to study plasma-membrane potential and to target antioxidants to mitochondria.

Methyl triphenyl Phosphonium Bromide FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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