2-Hydrazino-2-imidazoline hydrobromide
2-Hydrazino-2-imidazoline hydrobromide (CAS 55959-84-7; C3H8N4 · HBr; MW 181.03) is a heterocyclic building block supplied by Tech Serve Solutions. This chemical offers a reactive hydrazino group and an imidazoline core, making it valuable in organic synthesis. It is primarily utilized as an intermediate in the preparation of more complex molecules, including pyridazinone derivatives with potential pharmacological applications.
- IUPAC
- 2-Hydrazino-4,5-dihydroimidazole hydrobromide
- Synonyms
- 2-Hydrazino-4,5-dihydroimidazole hydrobromide

Synthesis of Amide Derivatives
Used in the synthesis of specific amide derivatives of 6-(4-carboxymethyloxyphenyl)-4,5-dihydro-3(2H)-pyridazinone. This application highlights its role in constructing complex heterocyclic systems.
Preparation of Inodilating Agents
Serves as a precursor for 2-substituted-6-(4-acylaminophenyl)-4,5-dihydropyridazin-3(2H)-ones, which are investigated for potential inodilating properties.
Heterocyclic Chemistry
Acts as a versatile building block in heterocyclic chemistry for the development of novel nitrogen-containing compounds and frameworks.
| Molecular weight | 181.03 |
|---|---|
| Empirical formula | C3H8N4 · HBr |
| Assay | 98% |
| Application | 2-Hydrazino-2-imidazoline hydrobromide was used in synthesis of:• some amide derivatives of 6-(4-carboxymethyloxyphenyl)-4,5-dihydro-3(2H)-pyridazinone1• 2-substituted-6-(4-acylaminophenyl)-4,5-dihydropyridazin-3(2H)-ones, potential inodilating agents2 |
| Melting point | 185-187 °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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 2-Hydrazino-2-imidazoline hydrobromide used for?
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It is used as a building block in organic synthesis, particularly for preparing amide derivatives of pyridazinones and other heterocyclic compounds with potential pharmaceutical applications.
What are the CAS number and formula for 2-Hydrazino-2-imidazoline hydrobromide?
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The CAS number is 55959-84-7, and the empirical formula is C3H8N4 · HBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Hydrazino-2-imidazoline hydrobromide with an assay of 98%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
How should 2-Hydrazino-2-imidazoline hydrobromide be handled?
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Handle with appropriate personal protective equipment. It is a skin irritant, causes serious eye irritation, and may cause respiratory irritation. Avoid breathing dust/fume/gas/mist/vapours/spray and ensure adequate ventilation. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice.
Is 2-Hydrazino-2-imidazoline hydrobromide a controlled substance?
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Based on the provided data, there is no indication that 2-Hydrazino-2-imidazoline hydrobromide is a controlled substance.
How is 2-Hydrazino-2-imidazoline hydrobromide packed and shipped?
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Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and adherence to international shipping regulations for chemicals.
How can I request a sample or quote for 2-Hydrazino-2-imidazoline hydrobromide?
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Please contact our sales team via the website or direct inquiry to request a sample or a quotation for 2-Hydrazino-2-imidazoline hydrobromide.
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