2,4,5-Trichloropyrimidine
2,4,5-Trichloropyrimidine (CAS 5750-76-5), with a molecular formula of C4HCl3N2 and a molecular weight of 183.42 g/mol, is a halogenated heterocyclic compound. It serves as a versatile building block in organic synthesis, particularly within the pharmaceutical and agrochemical industries. Its reactive chlorine atoms enable diverse chemical transformations, making it a valuable intermediate for creating more complex molecular structures.
- Synonyms
- 5750-76-5C4HCl3N2

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. Its pyrimidine core and reactive chlorine substituents allow for nucleophilic substitution reactions, facilitating the introduction of diverse functional groups.
Pharmaceutical Research
Serves as a building block for the development of potential pharmaceutical agents. It can be incorporated into molecular scaffolds targeting various biological pathways.
Agrochemical Development
A valuable precursor in the synthesis of agrochemicals. Its structure can be modified to create novel pesticides, herbicides, or fungicides.
Material Science
Can be employed in the creation of novel materials, leveraging the unique properties conferred by the halogenated pyrimidine structure.
| Molecular weight | 183.42 |
|---|---|
| Empirical formula | C4HCl3N2 |
| Assay | 99% |
| Density | 1.6001 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.574(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 | >109 °C / >228.2 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2,4,5-Trichloropyrimidine used for?
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2,4,5-Trichloropyrimidine is primarily used as a building block in organic synthesis, particularly in the pharmaceutical and agrochemical industries, for the creation of more complex molecules.
What is the CAS number and formula for 2,4,5-Trichloropyrimidine?
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The CAS number is 5750-76-5, and the empirical formula is C4HCl3N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4,5-Trichloropyrimidine with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 2,4,5-Trichloropyrimidine be handled safely?
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2,4,5-Trichloropyrimidine is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used.
How is 2,4,5-Trichloropyrimidine packed and shipped?
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This chemical is shipped as a regulated material (UN 3334). Please contact us for specific packaging and shipping details relevant to your region.
How can I request a sample or quote for 2,4,5-Trichloropyrimidine?
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To request a sample or a quotation for 2,4,5-Trichloropyrimidine, please contact our sales department through our website or by calling our office.
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