1,2,4,5-Tetrachlorobenzene
1,2,4,5-Tetrachlorobenzene (CAS 95-94-3) is a halogenated aromatic hydrocarbon with the molecular formula C6H2Cl4 and a molecular weight of 215.89 g/mol. This compound, supplied by Tech Serve Solutions with an assay of 98%, is primarily utilised in scientific research. It has been employed in studies investigating environmental behaviours and serves as a building block in chemical synthesis.
- Synonyms
- 5-Tetrachlorobenzene95-94-3C6H2Cl4

Environmental Studies
1,2,4,5-Tetrachlorobenzene has been used as a reference compound in studies examining the environmental fate and behaviour of related persistent organic pollutants, such as hexachlorobutadiene.
Chemical Synthesis
As a halogenated aromatic compound, 1,2,4,5-Tetrachlorobenzene can serve as a precursor or intermediate in the synthesis of more complex organic molecules within research and development settings.
Organic Building Block
This compound functions as a C6 building block, providing a tetrachlorinated benzene core for the construction of diverse organic structures in academic and industrial laboratories.
| Molecular weight | 215.89 |
|---|---|
| Empirical formula | C6H2Cl4 |
| Assay | 98% |
| Boiling point | 240-246 °C(lit.) |
| Application | 1,2,4,5-Tetrachlorobenzene was used to study the environmental behavior of hexachlorobutadiene (HCBD)1. |
| Melting point | 138-140 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 160 °C / 320 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36/37/38-51/53 |
| Safety statements (S) | 26-36-61 |
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 1,2,4,5-Tetrachlorobenzene used for?
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1,2,4,5-Tetrachlorobenzene is primarily used in scientific research, including studies on environmental behaviour and as a building block in chemical synthesis.
What is the CAS number and formula for 1,2,4,5-Tetrachlorobenzene?
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The CAS number for 1,2,4,5-Tetrachlorobenzene is 95-94-3, and its empirical formula is C6H2Cl4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,4,5-Tetrachlorobenzene with a purity of 98%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should 1,2,4,5-Tetrachlorobenzene be handled safely?
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Based on its GHS classification, 1,2,4,5-Tetrachlorobenzene is harmful if swallowed, causes skin and serious eye irritation, and may cause respiratory irritation. It is also toxic to aquatic life with long-lasting effects. Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area and avoid release to the environment.
How is 1,2,4,5-Tetrachlorobenzene packed and shipped?
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1,2,4,5-Tetrachlorobenzene is packed and shipped according to relevant regulations for hazardous materials, including UN 3077 classification. For export, standard international shipping procedures for chemicals are followed.
How can I request a sample or a quote for 1,2,4,5-Tetrachlorobenzene?
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To request a sample or a quote for 1,2,4,5-Tetrachlorobenzene, please contact the Tech Serve Solutions sales team via the website or direct email, providing your contact details and the quantity required.
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