3,5-Dimethyl-4-hydroxybenzonitrile
3,5-Dimethyl-4-hydroxybenzonitrile (CAS 4198-90-7) is a chemical compound with the molecular formula C9H9NO and a molecular weight of 147.17 g/mol. This aromatic nitrile and phenol derivative is primarily utilized as a building block in organic synthesis and chemical research. Its structure makes it a versatile intermediate for creating more complex molecules, particularly within the fields of material science and pharmaceutical development. Supplied by TSS with an assay of 97%, it serves as a valuable reagent for various chemical transformations.
- IUPAC
- 4-Cyano-2,6-dimethylphenol
- Synonyms
- 4-Cyano-2,6-dimethylphenol

Organic Synthesis Intermediate
This compound serves as a key building block in the synthesis of more complex organic molecules. Its nitrile and phenolic functionalities allow for diverse chemical reactions and derivatizations.
Chemical Research Reagent
Utilised in research laboratories for exploring new synthetic routes and developing novel compounds. Its specific structure is valuable for structure-activity relationship studies.
Pharmaceutical Intermediate Development
Potential applications in the early stages of pharmaceutical research and development, where it can be incorporated into candidate drug molecules.
| Molecular weight | 147.17 |
|---|---|
| Empirical formula | C9H9NO |
| Assay | 97% |
| Melting point | 123-127 °C |

Hazard statements
- H300Fatal if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P264Wash thoroughly after handling
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36 |
| Safety statements (S) | 26-45 |
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-Dimethyl-4-hydroxybenzonitrile used for?
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3,5-Dimethyl-4-hydroxybenzonitrile is primarily used as a building block in organic synthesis and as a reagent in chemical research, with potential applications in pharmaceutical intermediate development.
What is the CAS number and molecular formula for 3,5-Dimethyl-4-hydroxybenzonitrile?
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The CAS number is 4198-90-7, and the molecular formula is C9H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dimethyl-4-hydroxybenzonitrile with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with this chemical?
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This compound is classified with a Danger signal word and carries hazard statements H300 (Fatal if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and P2 respirator cartridges, is essential for safe handling.
Is 3,5-Dimethyl-4-hydroxybenzonitrile suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3,5-Dimethyl-4-hydroxybenzonitrile, which can be shipped internationally.
How can I request a quote or sample?
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To request a quote or sample of 3,5-Dimethyl-4-hydroxybenzonitrile, please contact our sales team through the website or by phone.
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