1,2,4-Benzenetriol
1,2,4-Benzenetriol (CAS 533-73-3), also known as hydroxyhydroquinone, is an organic compound with the molecular formula C6H3(OH)3 and a molecular weight of 126.11 g/mol. This trihydroxylated benzene derivative serves as a key intermediate and building block in organic synthesis. It finds applications in materials science and polymer chemistry, particularly in the development of monomers and specialised polymers.
- IUPAC
- Hydroxyhydroquinone
- Synonyms
- 533-73-3C6H3(OH)3Hydroxyhydroquinone

Monomer Synthesis
1,2,4-Benzenetriol is used in the synthesis of specialised monomers. These monomers are crucial for creating polymers with tailored properties for advanced material applications.
Polymer Science
As a component in polymer science, this compound contributes to the development of novel polymers. Its unique structure allows for the creation of materials with specific functionalities.
Organic Synthesis Intermediate
The compound acts as a versatile intermediate in various organic synthesis pathways. It is valuable for creating more complex molecular structures in research and development.
Materials Science
In materials science, 1,2,4-Benzenetriol is employed in research for developing new materials. Its properties can influence the characteristics of resultant materials.
| Molecular weight | 126.11 |
|---|---|
| Linear formula | C6H3(OH)3 |
| Assay | 99% |
| Grade | ReagentPlus® |
| Melting point | 140 °C (subl.)(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| 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 1,2,4-Benzenetriol primarily used for?
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1,2,4-Benzenetriol is primarily used as an intermediate in organic synthesis, and in materials science and polymer science, particularly for developing monomers and specialised polymers.
What are the CAS number and chemical formula for 1,2,4-Benzenetriol?
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The CAS number for 1,2,4-Benzenetriol is 533-73-3, and its linear formula is C6H3(OH)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,4-Benzenetriol at a purity of 99% (ReagentPlus® grade). TSS does not represent this product as USP, BP, or EP grade.
What are the key safety hazards associated with 1,2,4-Benzenetriol?
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1,2,4-Benzenetriol is classified as dangerous. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, must be used.
How is 1,2,4-Benzenetriol typically packed and shipped?
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1,2,4-Benzenetriol is available in various quantities suitable for laboratory research and industrial export. Packaging is designed to ensure product integrity and safety during transit.
How can I request a quote or sample for 1,2,4-Benzenetriol?
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To request a quote or sample, please contact our sales team through the website or by phone. Specify the required quantity and delivery location for prompt service.
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