4-tert-Butylphthalic anhydride
4-tert-Butylphthalic anhydride (CAS: 32703-79-0), with the molecular formula C12H12O3 and a molecular weight of 204.22 g/mol, is a chemical intermediate. It is primarily utilised in research and development settings, particularly within the fields of cell biology and hematology. The compound is often employed in the synthesis of more complex molecules and as a reagent in specific laboratory procedures. Its distinct chemical structure makes it valuable for targeted applications in organic synthesis.

Organic Synthesis
4-tert-Butylphthalic anhydride serves as a building block in organic synthesis, enabling the creation of diverse chemical structures. Its reactivity allows for functional group transformations and the construction of complex molecular architectures for research purposes.
Cell Biology Research
This compound finds application in cell biology studies, potentially as a reagent or precursor in experimental protocols. Its use may be related to cellular processes, staining, or the development of research tools for investigating cell function.
Hematology and Histology Applications
Within hematology and histology, 4-tert-Butylphthalic anhydride can be involved in the preparation of specific stains or reagents. These applications support the microscopic examination and analysis of blood and tissue samples in research settings.
| Molecular weight | 204.22 |
|---|---|
| Empirical formula | C12H12O3 |
| Assay | 95% |
| Melting point | 70-75 °C(lit.) |

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-tert-Butylphthalic anhydride used for?
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4-tert-Butylphthalic anhydride is used as an intermediate in organic synthesis and in research applications, particularly within cell biology and hematology/histology.
What is the CAS number and chemical formula for 4-tert-Butylphthalic anhydride?
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The CAS number is 32703-79-0 and the chemical formula is C12H12O3.
What grade and purity does Tech Serve Solutions supply for 4-tert-Butylphthalic anhydride?
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Tech Serve Solutions supplies 4-tert-Butylphthalic anhydride with an assay of 95%. This product is intended for research and technical use; it is not supplied as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for 4-tert-Butylphthalic anhydride?
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4-tert-Butylphthalic anhydride is a warning irritant (H315, H319, H335). Handle with a dust mask type N95, eyeshields, and gloves. Ensure good ventilation and avoid inhalation of dust. Store in a cool, dry place.
How is 4-tert-Butylphthalic anhydride packed and shipped?
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Tech Serve Solutions packs and ships chemicals according to international regulations, ensuring safe transit. Specific packaging details are available upon request for export orders.
How can I request a quote or sample for 4-tert-Butylphthalic anhydride?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements and delivery details.
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