Tetrachlorocatechol
Tetrachlorocatechol (CAS: 1198-55-6), with the molecular formula C₆Cl₄-1,2-(OH)₂, is a chlorinated organic compound. It serves as a valuable building block in chemical synthesis and organic chemistry research. Its unique structure, featuring a catechol core substituted with four chlorine atoms, makes it useful for creating complex molecules and in the development of novel materials. Tech Serve Solutions supplies this compound with an assay of ≥95.0% (HPLC).
- Synonyms
- Tetrachlorocatechol

Chemical Synthesis Intermediate
Tetrachlorocatechol functions as a key intermediate in the synthesis of various organic compounds. Its reactive hydroxyl groups and halogenated aromatic ring allow for diverse chemical transformations.
Organic Building Block
As an organic building block, it is employed in the construction of more complex molecular architectures. It is particularly useful in research settings exploring novel chemical entities.
Material Science Research
The compound's structure may lend itself to applications in material science, potentially in the development of polymers or specialised functional materials where chlorinated aromatic structures are beneficial.
| Molecular weight | 247.89 |
|---|---|
| Linear formula | C6Cl4-1,2-(OH)2 |
| Assay | ≥95.0% (HPLC) |
| Melting point | 193-195 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
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 Tetrachlorocatechol used for?
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Tetrachlorocatechol is primarily used as a building block in chemical synthesis and organic chemistry research for constructing complex molecules and potentially developing new materials.
What are the CAS number and formula for Tetrachlorocatechol?
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The CAS number for Tetrachlorocatechol is 1198-55-6, and its linear formula is C₆Cl₄-1,2-(OH)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrachlorocatechol with an assay of ≥95.0% (HPLC). We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with Tetrachlorocatechol?
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Tetrachlorocatechol is classified with Danger signal word and carries hazard statements H302 (Harmful if swallowed), H318 (Causes serious eye damage), and H400 (Very toxic to aquatic life). Appropriate personal protective equipment including eye shields, face shields, gloves, and a dust mask type N95 (US) should be used.
How is Tetrachlorocatechol packed, shipped, and exported?
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Tetrachlorocatechol is shipped under UN 3077, 9 (Miscellaneous dangerous substances and articles), Packing Group III, and is subject to environmentally hazardous substance regulations. Tech Serve Solutions is a global supplier and exporter experienced in handling such chemicals.
How can I request a sample or a quote for Tetrachlorocatechol?
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To request a sample or a quote for Tetrachlorocatechol, please contact our sales team via the website or direct enquiry channels.
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