Ethidium bromide
Ethidium bromide (CAS 1239-45-8), molecular formula C21H20BrN3, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents 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.
- IUPAC
- 3,8-Diamino-5-ethyl-6-phenylphenanthridinium bromide,EtBr,Homidium bromide
| Molecular weight | 394.31 |
|---|---|
| Empirical formula | C21H20BrN3 |
| Assay | ~95% (HPLC) |
| Concentration | 10 mg/mL in H2O |
| Application | Ethidium bromide (EtBr) is the most commonly used nucleic acid stain for PAGE or agarose gel electrophoresis. The fluorescence of EtBr increases 21-fold upon binding to double-stranded RNA and 25-fold on binding double-stranded DNA so that destaining the background is not necessary with a low stain concentration (10 |
| Suitability | suitable for gel electrophoresis |
| Melting point | 260-262 °C (dec.)(lit.) |
Hazard statements
- H302Harmful if swallowed
- H330Fatal if inhaled
- H341Suspected of causing genetic defects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P281Use personal protective equipment as required
- P284Wear respiratory protection
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811PIH 6.1 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 22-26-68 |
| Safety statements (S) | 28-36/37-45-63 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Ethidium bromide?
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Ethidium bromide (CAS 1239-45-8), molecular formula C21H20BrN3, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.
What grades of Ethidium bromide does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethidium 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 Ethidium bromide?
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Ethidium bromide has CAS number 1239-45-8 and molecular formula C21H20BrN3. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Ethidium 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 Ethidium 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 Ethidium bromide be stored?
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Store Ethidium 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 Ethidium bromide used for?
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Ethidium bromide is used in biochemicals & reagents 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 Ethidium 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.
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