Molekula
N-Phenylmaleimide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-Phenylmaleimide is a heterocyclic organic compound used primarily as a monomer in polymer synthesis and as an intermediate in pharmaceutical and agrochemical manufacturing. It is a white to pale yellow crystalline solid with a molecular formula of C10H7NO2 and a molecular weight of 173.17 g/mol. It is stable at ambient storage conditions. Hazard classification includes the signal word Danger. Molekula supplies N-Phenylmaleimide 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
In stock — same-day dispatch
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.
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25 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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100 g — £75.90 per pack ex VAT · £91.08 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 | Yellow solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Boiling Point | 162.2 °C at 12 mmHg |
Source: PubChem CID 13662 (CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 29392063 |
| CAS Number | 941-69-5 |
| IUPAC Name | 1-phenylpyrrole-2,5-dione |
| Molecular Formula | C10H7NO2 |
| Molecular Weight | 173.17 |
| Exact Mass | 173.0477 |
| SMILES | C1=CC=C(C=C1)N2C(=O)C=CC2=O |
| InChIKey | HIDBROSJWZYGSZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H7NO2/c12-9-6-7-10(13)11(9)8-4-2-1-3-5-8/h1-7H |
| PubChem CID | 13662 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2925.19.4200 |
| Tariff Code | 2925199510 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H370 Causes damage to organs
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P501 Dispose of contents/container to an approved waste disposal plant
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-Phenyl-1H-pyrrole-2,5-dione
- 1-phenyl-2,5-dihydro-1H-pyrrole-2,5-dione
- 1-phenylazoline-2,5-dione
- 1-phenylpyrrole-2,5-dione
- 1H-Pyrrole-2,5-dione, 1-phenyl-
- Maleanil
- MALEIMIDE, N-PHENYL-
- Maleimidobenzene
- Maleinanil
- N-Fenylimid kyseliny maleinove
Frequently asked questions
What is N-Phenylmaleimide used for?
It is primarily used as a monomer in the synthesis of polymers and resins, particularly in the production of high-performance materials and as a reactive intermediate in organic synthesis.
What is the chemical formula and molecular weight of N-Phenylmaleimide?
The chemical formula is C10H7NO2 and the molecular weight is 173.17 g/mol.
How should N-Phenylmaleimide be stored?
It should be stored at ambient temperature, protected from moisture and light, in a tightly sealed container.
What grade is available for N-Phenylmaleimide?
Molekula offers N-Phenylmaleimide in technical grade; custom grades may be available upon request.
Can Molekula supply N-Phenylmaleimide in bulk?
Yes, Molekula can supply N-Phenylmaleimide in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of N-Phenylmaleimide?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.