Tetramethylenebis(triphenylphosphonium bromide), 98+%, Thermo Scientific Chemicals

Description

Tetramethylenebis(triphenylphosphonium bromide) is used in the synthesis of squalene. It is also used in the conversion of ?-diketones to cyclohexa-1,3-dienes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Tetramethylenebis(triphenylphosphonium bromide) is used in the synthesis of squalene. It is also used in the conversion of ɑ-diketones to cyclohexa-1,3-dienes.

Notes
Hygroscopic. Store away from oxidizing agents. Store in a cool, dry conditions in a well sealed container.

Specifications

Chemical Identifiers

• CAS: 15546-42-6
• Molecular Formula: C40H38Br2P2
• Molecular Weight (g/mol): 740.5
• MDL Number: MFCD00031714
• InChI Key: WTFXVDWCEPLDDY-UHFFFAOYSA-L
• Synonym: tetramethylenebis triphenylphosphonium bromide, 1,4-bis triphenylphosphonio butane dibromide, butane-1,4-diylbis triphenylphosphonium bromide, triphenyl 4-triphenylphosphaniumyl butyl phosphanium dibromide, tetramethylenebis triphenylphosphonium dibromide, triphenyl 4-triphenylphosphaniumylbutyl phosphanium dibromide, phosphonium,1,1'-1,4-butanediyl bis 1,1,1-triphenyl-, bromide 1:2, phosphonium,1,1'-1,4-butanediyl bis 1,1,1-triphenyl-,bromide 1:2
• PubChem CID: 3084237
• IUPAC Name: triphenyl(4-triphenylphosphaniumylbutyl)phosphanium;dibromide
• SMILES: C1=CC=C(C=C1)[P+](CCCC[P+](C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6.[Br-].[Br-]

• Melting Point: 292°C to 293°C
• Quantity: 50 g
• Beilstein: 3872522
• Sensitivity: Hygroscopic
• Formula Weight: 740.51
• Percent Purity: ≥98%
• Chemical Name or Material: Tetramethylenebis(triphenylphosphonium bromide)

Safety and Handling

Hazard Category	H315-H319-H335
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber	239-598-5
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only