Hexadimethrine bromide
Hexadimethrine bromide (CAS 28728-55-4) is a cationic polymer used in molecular biology and protein chemistry. This reagent facilitates automated sequencing of small peptides and is employed to coat glass microfiber sheets for protein blotting. With an assay of ≥94% (AT), it is suitable for research and specialised analytical applications. Hexadimethrine bromide is stored at 2-8°C and is soluble in water.
- IUPAC
- 1,5-Dimethyl-1,5-diazaundecamethylene polymethobromide,Polybrene
- Synonyms
- 1,5-Dimethyl-1,5-diazaundecamethylene polymethobromidePolybrene

Automated Peptide Sequencing
Hexadimethrine bromide serves as a reagent to aid in the automated sequencing of small peptides, contributing to efficient protein analysis workflows.
Protein Blotting
This compound is utilised for coating glass microfiber sheets, a critical step in protein blotting procedures for enhancing detection and analysis.
Molecular Biology Research
As a versatile reagent in molecular biology, Hexadimethrine bromide supports various research applications involving protein structure and sequencing.
Proteomics
It finds application within the field of proteomics, assisting in the structural analysis and sequencing of proteins for comprehensive study.
| Assay | ≥94% (AT) |
|---|---|
| Solubility | H2O: soluble0.1 g/mL, clear to slightly hazy, colorless to faintly yellow |
| Storage temperature | 2-8°C |
| Application | Facilitates automated sequencing of small peptides.1 Used to coat glass microfiber sheets for protein blotting.2 |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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.
What is Hexadimethrine bromide used for?
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Hexadimethrine bromide is used to facilitate automated sequencing of small peptides and for coating glass microfiber sheets for protein blotting.
What are the CAS number and formula for Hexadimethrine bromide?
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The CAS number for Hexadimethrine bromide is 28728-55-4. The chemical formula is not provided in the product data.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hexadimethrine bromide with an assay of ≥94% (AT). This product is intended for research and laboratory use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for Hexadimethrine bromide?
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Hexadimethrine bromide is classified with GHS07 and a 'Warning' signal word. It carries the hazard statement H302 (Harmful if swallowed). Recommended personal protective equipment includes eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Store at 2-8°C.
How is Hexadimethrine bromide packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific packaging and shipping details are available upon request, adhering to all relevant international regulations for chemical export.
How can I request a quote or sample of Hexadimethrine bromide?
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To request a quote or a sample of Hexadimethrine bromide, please contact the TSS sales department through our website or by phone, providing your specific requirements.
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