Histamine bisphosphate monohydrate
Histamine bisphosphate monohydrate (CAS 51-74-1), with the empirical formula C5H9N3 · 2H3PO4 · H2O and a molecular weight of 325.15, is a chemical entity primarily utilised as a building block in chemical synthesis. Its imidazole ring structure makes it valuable in the creation of more complex heterocyclic compounds. Tech Serve Solutions supplies this reagent for research and development purposes, adhering to strict quality standards.
- IUPAC
- 2-(4-Imidazolyl)ethylamine diphosphate salt monohydrate,2-(4-Imidazolyl)ethylamine diphosphate salt,Histamine diphosphate salt monohydrate
- Synonyms
- 2-(4-Imidazolyl)ethylamine diphosphate salt monohydrate2-(4-Imidazolyl)ethylamine diphosphate saltHistamine diphosphate salt monohydrate

Chemical Synthesis
Serves as a fundamental building block in organic synthesis, particularly for constructing heterocyclic compounds. Its structure is leveraged in the development of novel molecules.
Research and Development
Utilised in laboratory settings for various research applications, including the exploration of biochemical pathways and drug discovery processes. Its properties make it a subject of scientific investigation.
Imidazole Derivatives
Functions as a precursor for synthesising a range of imidazole-based compounds. These derivatives may have diverse applications in materials science and medicinal chemistry.
| Molecular weight | 325.15 |
|---|---|
| Empirical formula | C5H9N3 · 2H3PO4 · H2O |
| Assay | ≥99.0% (NT) |
| Storage temperature | −20°C |
| Melting point | 128-132 °C |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41-42/43 |
| Safety statements (S) | 22-26-36/37/39-45 |
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 Histamine bisphosphate monohydrate used for?
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Histamine bisphosphate monohydrate is primarily used as a building block in chemical synthesis and for research and development purposes, particularly in the creation of imidazole derivatives.
What are the CAS number and formula for Histamine bisphosphate monohydrate?
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The CAS number for Histamine bisphosphate monohydrate is 51-74-1, and its empirical formula is C5H9N3 · 2H3PO4 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Histamine bisphosphate monohydrate with an assay of ≥99.0% (NT). We do not represent this product as USP, BP, or EP grade.
How should Histamine bisphosphate monohydrate be handled safely?
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Handling requires appropriate personal protective equipment, including a dust mask (N95 type), eyeshields, face shields, and gloves. Avoid breathing dust. This compound is associated with hazards such as skin irritation, serious eye damage, and respiratory sensitisation. Refer to the safety data sheet for comprehensive information.
Is Histamine bisphosphate monohydrate a controlled substance?
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The provided data does not indicate that Histamine bisphosphate monohydrate is a controlled substance. However, users should always verify local regulations.
How is Histamine bisphosphate monohydrate packed and exported?
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Histamine bisphosphate monohydrate is typically stored at -20°C. Tech Serve Solutions can export this chemical globally; please contact us for specific shipping and packaging details.
How can I request a quote or sample?
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To request a quote or sample of Histamine bisphosphate monohydrate, please contact our sales team through the website or by phone. Provide your specific requirements for prompt assistance.
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