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Methyltriphenylphosphonium bromide

CAS 1779-49-3 C19H18BrP MW 357.22 In stock

Methyltriphenylphosphonium bromide is a quaternary phosphonium salt used in organic synthesis, particularly in the synthesis of phosphorus ylides and as a phase-transfer catalyst. It is a crystalline solid with a molecular formula of C19H18BrP, a molecular weight of 357.22 g/mol, and is stable at ambient storage conditions. It is classified as dangerous. Molekula supplies Methyltriphenylphosphonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Methyltriphenylphosphonium bromide is a quaternary phosphonium salt used in organic synthesis, particularly in the synthesis of phosphorus ylides and as a phase-transfer catalyst. It is a crystalline solid with a molecular formula of C19H18BrP, a molecular weight of 357.22 g/mol, and is stable at ambient storage conditions. It is classified as dangerous. Molekula supplies Methyltriphenylphosphonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Solid
Identification Conforms to reference
Loss on Drying ≤0.5%
Assay ≥ 98%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 6.1
Packing Group III
Shelf Life 48 months
Acidity Neutral

Identification

Property Value
CAS Number 1779-49-3
Molecular Formula C19H18BrP
Molecular Weight 357.22
SMILES C[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]
EC / UN Number 2811
REACH Code Y110
TSCA Listed Yes
HTS Code 2931590080
Tariff Code 2931599090

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Toxic Toxic GHS06

Hazard statements

  • H301 Toxic if swallowed
  • H411 Toxic to aquatic life with long lasting effects

Precautionary statements

  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P302+350 IF ON SKIN: Gently wash with soap and water
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    £43.52 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is methyltriphenylphosphonium bromide used for?

It is primarily used as a reagent in organic synthesis, particularly in the synthesis of ylides and Wittig reactions.

What is the chemical formula and molecular weight?

The formula is C19H18BrP with a molecular weight of 357.22 g/mol.

How should methyltriphenylphosphonium bromide be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade is available?

Available in reagent grade; specific grades may vary based on customer requirements.

Can Molekula supply it in bulk?

Yes, Molekula can supply methyltriphenylphosphonium bromide in bulk quantities upon request.

What documentation comes with the order?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

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