3,5-Dichlorophenol
3,5-Dichlorophenol (CAS: 591-35-5; Cl2C6H3OH; MW: 163.00) is a chlorinated phenol chemical. Primarily utilised as an organic building block and intermediate in chemical synthesis, it serves as a precursor for more complex molecules. This compound is essential in research and development settings, contributing to advancements in various chemical fields. Tech Serve Solutions supplies 3,5-Dichlorophenol with a minimum assay of 97%.
- Synonyms
- Cl2C6H3OH3,5-Dichlor-1-hydroxybenzol1-Hydroxy-3,5-dichlorobenzene

Chemical Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. Its reactive phenolic group and chlorine substituents allow for diverse chemical transformations.
Organic Building Block
Serves as a fundamental building block for constructing more complex organic molecules. It is frequently employed in academic research and industrial R&D laboratories.
Precursor for Specialty Chemicals
Can be used as a starting material for the production of specialty chemicals, including pharmaceuticals and agrochemicals, although specific applications depend on further derivatisation.
| Molecular weight | 163.00 |
|---|---|
| Linear formula | Cl2C6H3OH |
| Assay | 97% |
| Boiling point | 233 °C(lit.) |
| Melting point | 65-68 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H314Causes severe skin burns and eye damage
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2020 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/38 |
| Safety statements (S) | 26-28-45 |
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 3,5-Dichlorophenol used for?
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3,5-Dichlorophenol is primarily used as an intermediate in chemical synthesis and as an organic building block for creating more complex molecules in research and development.
What is the CAS number and chemical formula for 3,5-Dichlorophenol?
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The CAS number is 591-35-5 and the linear formula is Cl2C6H3OH.
What grade and purity does Tech Serve Solutions supply for 3,5-Dichlorophenol?
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Tech Serve Solutions supplies 3,5-Dichlorophenol with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3,5-Dichlorophenol be handled safely?
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3,5-Dichlorophenol is a Danger substance, causing severe skin burns and eye damage (H314), is harmful if swallowed (H302), and toxic in contact with skin (H311). It is also toxic to aquatic life with long-lasting effects (H411). Handle with appropriate personal protective equipment, including gloves, eyeshields, and a dust mask (N95). Ensure adequate ventilation and avoid release into the environment.
Is 3,5-Dichlorophenol a controlled substance?
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The provided data does not indicate that 3,5-Dichlorophenol is a controlled substance. However, users should always verify local regulations.
How is 3,5-Dichlorophenol packed and shipped?
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3,5-Dichlorophenol is packed according to industry standards for safe transport and is exported globally by Tech Serve Solutions. Specific packaging details will be provided upon request.
How can I request a quote or sample of 3,5-Dichlorophenol?
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To request a quote or a sample of 3,5-Dichlorophenol, please contact our sales team through the website or via direct enquiry, providing your contact details and quantity requirements.
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