Ethyltriphenylphosphonium Bromide (ETPB)

SUMCHEMICALS provides Ethyltriphenylphosphonium Bromide (ETPB) product information for international sourcing, including available specifications, applications, packaging and enquiry details. Confirm grade, quantity, destination and required documents before ordering.

Product Name:
Ethyltriphenylphosphonium Bromide (ETPB)

Chemical Formula:
C₂₀H₂₀PBr

CAS Number:
1530-32-1

Molecular Weight:
371.25 g/mol

Appearance:
Off-white solid

Melting Point:
205–208°C

Product Introduction:
Ethyltriphenylphosphonium Bromide (ETPB) is a quaternary phosphonium salt, structurally similar to quaternary ammonium salts but with stronger polarization due to the larger phosphorus atom. ETPB is widely used as a precursor of phosphonium ylides in the Wittig reaction for the synthesis of fine chemicals, pharmaceuticals, and liquid crystal monomers. It also serves as a curing accelerator in polymerization processes such as powder coatings and epoxy resins, and acts as a phase transfer catalyst in organic synthesis.

Applications:

• Precursor for phosphonium ylides in the Wittig reaction (fine chemicals, pharmaceuticals, liquid crystal monomers)
• Curing accelerator for powder coatings and epoxy resin polymerization
• Phase transfer catalyst in organic synthesis

Product Purity & Quality Grade:

• Purity: ≥ 99%
• Grade: Industrial Grade
• Form: Off-white solid

Packaging:

• 25 kg fiber drums
• 25 kg waterproof kraft bags
• Custom packaging available upon request
• Store in a cool, dry, well-ventilated, and shaded area

Contact Information:
Sales Team: SHANDONG SUMCHEMICALS CO., LTD.
Sales Director: Bill Zhang
Email: This email address is being protected from spambots. You need JavaScript enabled to view it. / This email address is being protected from spambots. You need JavaScript enabled to view it.
Mobile/WhatsApp: +86 156 6271 5985
WeChat: billzhang5985
Website: www.sumchemicals.com