3-Hydroxytyramine hydrobromide
3-Hydroxytyramine hydrobromide (CAS 645-31-8), also known as Dopamine hydrobromide, is an organic compound with the linear formula (HO)2C6H3CH2CH2NH2·HBr and a molecular weight of 234.09 g/mol. It functions as a crucial intermediate in chemical synthesis and a building block in organic chemistry. This compound is supplied by TSS with a minimum assay of 99%, suitable for research and development applications.
- IUPAC
- 3,4-Dihydroxyphenethylamine hydrobromide,Dopamine hydrobromide
- Synonyms
- 3,4-Dihydroxyphenethylamine hydrobromideDopamine hydrobromide

Chemical Synthesis Intermediate
3-Hydroxytyramine hydrobromide serves as a valuable intermediate in the synthesis of complex organic molecules. Its structure allows for various chemical transformations, making it a useful reagent in multi-step synthetic pathways.
Organic Building Block
As an organic building block, this compound can be incorporated into larger molecular structures. Its functional groups make it amenable to diverse reactions, aiding in the construction of novel chemical entities.
Research and Development
This hydrobromide salt is utilised in laboratory settings for research purposes, enabling the exploration of new chemical reactions and the development of innovative materials and compounds.
| Molecular weight | 234.09 |
|---|---|
| Linear formula | (HO)2C6H3CH2CH2NH2·HBr |
| Assay | 99% |
| Melting point | 218-220 °C(lit.) |

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 equipment | dust 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 |
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 3-Hydroxytyramine hydrobromide used for?
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3-Hydroxytyramine hydrobromide is used as an intermediate in chemical synthesis and as a building block in organic chemistry for research and development purposes.
What is the CAS number and chemical formula for 3-Hydroxytyramine hydrobromide?
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The CAS number is 645-31-8, and the linear chemical formula is (HO)2C6H3CH2CH2NH2·HBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Hydroxytyramine hydrobromide with a minimum assay of 99%. This product is intended for research and development and is not supplied as USP, BP, or EP grade.
What are the safety and handling precautions for 3-Hydroxytyramine hydrobromide?
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3-Hydroxytyramine hydrobromide is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
Is 3-Hydroxytyramine hydrobromide a controlled substance?
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The provided data does not indicate that 3-Hydroxytyramine hydrobromide is a controlled substance.
How is 3-Hydroxytyramine hydrobromide packed, shipped, and exported?
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3-Hydroxytyramine hydrobromide is carefully packed according to international shipping standards and is available for global export by Tech Serve Solutions.
How can I request a quote or sample of 3-Hydroxytyramine hydrobromide?
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To request a quote or sample of 3-Hydroxytyramine hydrobromide, please contact our sales team through the website or by phone.
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