4-Hydroxyphthalonitrile
4-Hydroxyphthalonitrile (CAS: 30757-50-7; Formula: C8H4N2O; Molar Mass: 144.13 g/mol) is a versatile organic compound characterised by its nitrile and hydroxyl functionalities. It serves as a valuable building block in chemical synthesis, particularly within the realm of nitrogen-containing organic molecules. Its structure lends itself to various chemical transformations, making it a key intermediate for researchers and industrial chemists. Tech Serve Solutions offers this compound for diverse laboratory and manufacturing applications.
- IUPAC
- 4-Hydroxybenzene-1,2-dicarbonitrile

Chemical Synthesis Intermediate
4-Hydroxyphthalonitrile is employed as a crucial intermediate in the synthesis of complex organic molecules. Its reactive functional groups allow for diverse derivatisation, facilitating the construction of novel compounds for research and development.
Organic Building Block
As a C8 to C9 organic building block, this compound is utilised in the creation of specialised chemical structures. It is particularly relevant in the synthesis of nitrogen-containing heterocyclic compounds and other organic materials.
Research and Development
Researchers in academic and industrial settings utilise 4-Hydroxyphthalonitrile for exploring new synthetic pathways and developing innovative materials. Its well-defined structure makes it a reliable starting material for various chemical investigations.
| Molecular weight | 144.13 |
|---|---|
| Empirical formula | C8H4N2O |
| Assay | ≥90% (GC) |
| Grade | technical |
| Melting point | ~218 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Hydroxyphthalonitrile used for?
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4-Hydroxyphthalonitrile is primarily used as a building block and intermediate in chemical synthesis, particularly for creating nitrogen-containing organic molecules and in research and development activities.
What is the CAS number and formula for 4-Hydroxyphthalonitrile?
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The CAS number for 4-Hydroxyphthalonitrile is 30757-50-7, and its empirical formula is C8H4N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Hydroxyphthalonitrile with a purity of ≥90% (GC) and a technical grade. We do not represent this product as USP, BP, or EP grade.
How should 4-Hydroxyphthalonitrile be handled safely?
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4-Hydroxyphthalonitrile is classified with Warning signal word and carries Hazard Statements H315, H319, and H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid breathing dust.
Is 4-Hydroxyphthalonitrile a controlled substance?
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The provided safety data does not indicate that 4-Hydroxyphthalonitrile is a controlled substance.
How is 4-Hydroxyphthalonitrile packed and exported?
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4-Hydroxyphthalonitrile is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 4-Hydroxyphthalonitrile?
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To request a sample or a quotation for 4-Hydroxyphthalonitrile, please contact our sales team through the website or by calling us directly.
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