3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate
3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate (CAS 207738-08-7), molecular formula 5, 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.
- IUPAC
- TMB dihydrochloride
- Synonyms
- 5′-Tetramethylbenzidine dihydrochloride hydrate207738-08-7[-C6H2(CH3)2-4-NH2]2·2HCl·xH2O

| Molecular weight | 313.27 (anhydrous basis) |
|---|---|
| Linear formula | [-C6H2(CH3)2-4-NH2]2·2HCl·xH2O |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Application | Convenient water-soluble form of TMB for determination of peroxidase. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate?
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3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate (CAS 207738-08-7), molecular formula 5, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate 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 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate?
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3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate has CAS number 207738-08-7 and molecular formula 5. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate?
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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 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate 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 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate be stored?
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Store 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate 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 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate used for?
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3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate 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 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate?
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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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