Molekula
3,4-Methylenedioxyphenol (Sesamol)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3,4-Methylenedioxyphenol, also called sesamol, is a naturally occurring phenolic compound primarily used as an antioxidant, flavor enhancer, and UV stabilizer in food, cosmetics, and pharmaceuticals. It is also studied for its potential health benefits, including antimicrobial and neuroprotective properties. This chemical has a CAS number of 533-31-3, with the molecular formula C7H6O3 and a molecular weight of 138.12 g/mol. It is typically stored at ambient conditions but requires careful handling due to its warning-level hazards. Molekula supplies 3,4-Methylenedioxyphenol (Sesamol) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
25 g — £46.50 per pack ex VAT · £55.80 inc. VAT
-
100 g — £129.10 per pack ex VAT · £154.92 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Beige crystals |
| Melting Point | 64.9 °C |
| Boiling Point | 272 to 274 °C at 760 mmHg |
| pKa | pKa = 9.79 |
Source: PubChem CID 68289 (HSDB, Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 10825829 |
| CAS Number | 533-31-3 |
| IUPAC Name | 1,3-benzodioxol-5-ol |
| EC Number | 208-561-5 |
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 |
| Exact Mass | 138.0317 |
| SMILES | C1OC2=C(O1)C=C(C=C2)O |
| InChIKey | LUSZGTFNYDARNI-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6O3/c8-5-1-2-6-7(3-5)10-4-9-6/h1-3,8H,4H2 |
| PubChem CID | 68289 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29329970 |
| Tariff Code | 2932990090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P330 Rinse mouth
- P352 Wash with soap and water
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,3-Benzodioxol-5-ol
- 2H-1,3-Benzodioxol-5-Ol
- 3,4-Methylendioxyphenol
- 3,4-Methylenedioxyphenol
- 5-Hydroxy-1,3-benzodioxole
- benzo[d][1,3]dioxol-5-ol
- Methylene ether of oxyhydroquinone
- Phenol, 3,4-(methylenedioxy)-
- Sesamol
- sesamol sodium
Frequently asked questions
What is 3,4-Methylenedioxyphenol (Sesamol) commonly used for?
Sesamol is primarily used as a natural antioxidant, flavor enhancer in food, and in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of Sesamol?
The chemical formula is **C₇H₆O₃**, and the molecular weight is **138.12 g/mol**.
How should Sesamol be stored?
Store Sesamol at **ambient temperature** in a cool, dry place, away from direct sunlight and moisture.
What grades or purities of Sesamol does Molekula supply?
Molekula supplies Sesamol in **high-purity analytical and reagent grades**, typically ≥98% purity.
Can Molekula supply Sesamol in bulk quantities?
Yes, Molekula can supply Sesamol in bulk, with quantities tailored to customer requirements.
What documentation comes with an order of Sesamol?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.