5-Chloro-2-(trichloromethyl)benzimidazole
5-Chloro-2-(trichloromethyl)benzimidazole (CAS: 3584-66-5; Formula: C8H4Cl4N2; Molar Mass: 269.94 g/mol) is a halogenated benzimidazole derivative. It serves as a key building block in organic synthesis, particularly for constructing more complex heterocyclic compounds. Its structure lends itself to applications in the development of novel chemical entities for research and development purposes.

Organic Synthesis Intermediate
Utilised as a foundational component in multi-step organic syntheses, enabling the formation of diverse chemical structures.
Heterocyclic Chemistry Research
A valuable reagent for exploring new reactions and developing novel compounds within the field of heterocyclic chemistry.
Building Block for Specialty Chemicals
Employed in the synthesis pathway for creating specialized chemicals with potential applications in various research domains.
| Molecular weight | 269.94 |
|---|---|
| Empirical formula | C8H4Cl4N2 |
| Assay | 95% |
| Melting point | 223-224 °C (dec.)(lit.) |

Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| 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 5-Chloro-2-(trichloromethyl)benzimidazole used for?
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5-Chloro-2-(trichloromethyl)benzimidazole (CAS: 3584-66-5) is primarily used as an intermediate and building block in organic synthesis and heterocyclic chemistry research.
What is the CAS number and formula for 5-Chloro-2-(trichloromethyl)benzimidazole?
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The CAS number is 3584-66-5 and the empirical formula is C8H4Cl4N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chloro-2-(trichloromethyl)benzimidazole with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 5-Chloro-2-(trichloromethyl)benzimidazole be handled?
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This compound is hazardous. It is toxic if swallowed, in contact with skin, and if inhaled; it also causes skin and serious eye irritation and may cause respiratory irritation. Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a P2 respirator, is required. Handle in a well-ventilated area.
How is 5-Chloro-2-(trichloromethyl)benzimidazole shipped?
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5-Chloro-2-(trichloromethyl)benzimidazole is shipped as UN 2811, 6.1, PG II, reflecting its hazardous nature for international transport.
How can I request a sample or quote?
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Please contact our sales team directly via our website or by phone to request a sample or a quotation for 5-Chloro-2-(trichloromethyl)benzimidazole.
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