1,4,5,6-Tetrahydropyrimidine
1,4,5,6-Tetrahydropyrimidine (CAS: 1606-49-1; C4H8N2) is a heterocyclic organic compound with a molecular weight of 84.12 g/mol. This chemical is primarily utilised as a building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure lends itself to the creation of more complex molecules, making it a valuable reagent for researchers and chemists engaged in discovery and development.
- Synonyms
- 6-Tetrahydropyrimidine1606-49-1C4H8N2

Heterocyclic Synthesis
1,4,5,6-Tetrahydropyrimidine serves as a key intermediate in the synthesis of various heterocyclic compounds. Its unique structural motif can be incorporated into larger molecular frameworks, facilitating the development of novel chemical entities.
Organic Reagent
As a versatile organic reagent, it finds application in diverse chemical transformations. Its reactivity profile makes it suitable for a range of synthetic procedures in academic and industrial research settings.
Building Block for Novel Compounds
The compound functions as a fundamental building block for the construction of more complex organic molecules. Its availability supports research in medicinal chemistry and materials science.
| Molecular weight | 84.12 |
|---|---|
| Empirical formula | C4H8N2 |
| Assay | 97% |
| Boiling point | 88-89 °C/1 mmHg(lit.) |
| Density | 1.024 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5194(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 1,4,5,6-Tetrahydropyrimidine used for?
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1,4,5,6-Tetrahydropyrimidine is primarily used as a building block in chemical synthesis, particularly for creating heterocyclic compounds and other complex organic molecules.
What are the CAS number and formula for 1,4,5,6-Tetrahydropyrimidine?
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The CAS number for 1,4,5,6-Tetrahydropyrimidine is 1606-49-1, and its molecular formula is C4H8N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4,5,6-Tetrahydropyrimidine with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 1,4,5,6-Tetrahydropyrimidine be handled safely?
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1,4,5,6-Tetrahydropyrimidine is classified as a Warning substance and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be worn, and handling should occur in a well-ventilated area or with suitable respiratory protection.
Is 1,4,5,6-Tetrahydropyrimidine available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,4,5,6-Tetrahydropyrimidine.
How can I request a sample or quote for 1,4,5,6-Tetrahydropyrimidine?
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Please contact our sales department through the website to request a sample or a formal quotation for 1,4,5,6-Tetrahydropyrimidine.
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