Tech Serve Solutions

Tetramethylphosphonium bromide

CAS 4519-28-2(CH3)4P(Br)Chemical Synthesis

Tetramethylphosphonium bromide (CAS 4519-28-2), molecular formula (CH3)4P(Br), is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

Tetramethylphosphonium bromide
Chemical SynthesisPhase Transfer CatalystsPhosphonium SaltsSynthetic Reagents
01 /Properties
Molecular weight171.02
Linear formula(CH3)4P(Br)
Assay98%
02 /Safety & handling
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26-37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
4519-28-2
MDL number
MFCD00011802
Beilstein registry
3982025
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is Tetramethylphosphonium bromide?

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Tetramethylphosphonium bromide (CAS 4519-28-2), molecular formula (CH3)4P(Br), is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Tetramethylphosphonium bromide does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Tetramethylphosphonium bromide in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Tetramethylphosphonium bromide?

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Tetramethylphosphonium bromide has CAS number 4519-28-2 and molecular formula (CH3)4P(Br). Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Tetramethylphosphonium bromide?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of Tetramethylphosphonium bromide ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Tetramethylphosphonium bromide be stored?

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Store Tetramethylphosphonium bromide in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Tetramethylphosphonium bromide used for?

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Tetramethylphosphonium bromide is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Tetramethylphosphonium bromide?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need Tetramethylphosphonium bromide in a specific grade or volume?

Request a quote