Sesamol
Sesamol (CAS: 533-31-3; C7H6O3) is a naturally occurring organic compound, a phenolic derivative of methylenedioxybenzene. It presents as a crystalline solid. With a molecular weight of 138.12 g/mol, Sesamol serves as a valuable building block in organic synthesis and chemical research. Its primary applications lie in the creation of more complex molecules, particularly within the pharmaceutical and fine chemical industries.
- IUPAC
- 3,4-(Methylenedioxy)phenol,5-Benzodioxolol
- Synonyms
- 3,4-(Methylenedioxy)phenol5-Benzodioxolol

Organic Synthesis Intermediate
Sesamol is a versatile intermediate utilised in the synthesis of complex organic molecules. Its structure allows for various chemical transformations, making it a key component in multi-step reaction pathways.
Pharmaceutical Research
The compound serves as a starting material or intermediate in the development of novel pharmaceutical agents. Its unique structural features can be incorporated into biologically active compounds.
Fine Chemical Production
Sesamol finds application in the production of various fine chemicals. It is used as a precursor for specialty compounds requiring its specific phenolic and methylenedioxy functionalities.
| Molecular weight | 138.12 |
|---|---|
| Empirical formula | C7H6O3 |
| Assay | ≥98.0% (GC) |
| Melting point | 62-65 °C(lit.)62-65 °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 Sesamol used for?
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Sesamol (CAS: 533-31-3) is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and the production of fine chemicals. It is valued for its phenolic and methylenedioxy functionalities.
What are the CAS number and formula for Sesamol?
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The CAS number for Sesamol is 533-31-3, and its molecular formula is C7H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sesamol with an assay of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade; it is suitable for research and industrial chemical applications.
What are the key hazards associated with Sesamol?
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Sesamol is classified with GHS07 symbol and a Warning signal word. It is a skin irritant (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 US), should be used when handling.
How is Sesamol packed, shipped, and exported?
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Sesamol is carefully packed to maintain its integrity during transit. As a global supplier, Tech Serve Solutions adheres to all relevant regulations for the safe and compliant export of chemicals worldwide.
How can I request a sample or quote for Sesamol?
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To request a sample or obtain a quotation for Sesamol, please contact our sales team through the website or by phone, providing your specific requirements.
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