Molekula
Pyromellitic dianhydride (1,2,4,5-Benzenetetracarboxylic anhydride)
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
Pyromellitic dianhydride (PMDA) is a high-performance organic compound used primarily in the synthesis of polyimides, epoxy resins, and specialty coatings. It serves as a key monomer in advanced materials requiring thermal and chemical stability. Available with CAS number 89-32-7, molecular formula C10H2O6, and molecular weight 218.12 g/mol, it is stored at ambient temperatures. Classified as Danger, it requires careful handling. Molekula supplies Pyromellitic dianhydride 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White or yellowish lumpy and powdery solid crystals |
| Melting Point | 284-288℃ |
| Assay | ≥99.0% |
| Free acid | ≤0.5% |
| Acetone Residual | 2000 ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 380 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White powder |
| Melting Point | 287 °C |
| Boiling Point | 397-400 °C |
| Density | 1.68 g/cm³ |
| Solubility (other solvents) | Soluble in some organic solvents |
| Vapour Pressure | 4.8 × 10⁻⁶ mmHg at 25 °C (Estimated) |
| log P (octanol/water) | 2.14 |
Source: PubChem CID 6966 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 20991874 |
| CAS Number | 89-32-7 |
| IUPAC Name | furo[3,4-f][2]benzofuran-1,3,5,7-tetrone |
| EC Number | 201-898-9 |
| Molecular Formula | C10H2O6 |
| Molecular Weight | 218.12 |
| Exact Mass | 217.9851 |
| SMILES | C1=C2C(=CC3=C1C(=O)OC3=O)C(=O)OC2=O |
| InChIKey | ANSXAPJVJOKRDJ-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H |
| PubChem CID | 6966 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29173930 |
| Tariff Code | 2917398530 |
Safety & GHS
-
Corrosive
GHS05
-
Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H402 Harmful to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: 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
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
- 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride
- 1,2,4,5-Benzenetetracarboxylic anhydride
- 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone
- Benzene-1,2,4,5-tetracarboxylic dianhydride
- PMDA
- Pyromellitic 1,2:4,5-dianhydride
- Pyromellitic acid anhydride
- Pyromellitic acid dianhydride
- Pyromellitic anhydride
- PYROMELLITIC DIANHYDRIDE
Frequently asked questions
What is pyromellitic dianhydride used for?
It is primarily used as a monomer in the synthesis of high-performance polymers, such as polyimides, and in the production of resins for coatings and adhesives.
What is the chemical formula and molecular weight of pyromellitic dianhydride?
The formula is C10H2O6 with a molecular weight of 218.12 g/mol.
How should pyromellitic dianhydride be stored?
It should be stored at ambient temperature in a dry, well-ventilated area, away from moisture and incompatible materials.
What grade of pyromellitic dianhydride does Molekula supply?
Molekula supplies technical grade pyromellitic dianhydride, suitable for industrial and research applications.
Can Molekula supply pyromellitic dianhydride in bulk?
Yes, Molekula can supply pyromellitic dianhydride in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of pyromellitic dianhydride?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.
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.