Molekula
Succinimide
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
Succinimide is a heterocyclic organic compound used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and polymers. It is also employed in the production of dyes and resins. Available in powder form, it has a molecular weight of 99.09 g/mol, a molecular formula of C4H5NO2, and a CAS number of 123-56-8. Store at ambient temperatures. Warning signal word applies due to potential health hazards.
Molekula supplies Succinimide at ≥99.0% purity in 1 kg packs, from £91.20 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 8 languages. Larger quantities, up to multi-tonne, are quoted on request.
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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1 kg — £76.00 per pack ex VAT · £91.20 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 | White flake crystal |
| Melting Point | 121 - 126°C |
| Loss on Drying | ≤0.5% |
| Assay | ≥99.0% |
| Residue on Ignition | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 0 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 48731952 |
| CAS Number | 123-56-8 |
| IUPAC Name | pyrrolidine-2,5-dione |
| EC Number | 204-635-6 |
| Molecular Formula | C4H5NO2 |
| Molecular Weight | 99.09 |
| Exact Mass | 99.032 |
| SMILES | C1CC(=O)NC1=O |
| InChIKey | KZNICNPSHKQLFF-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H5NO2/c6-3-1-2-4(7)5-3/h1-2H2,(H,5,6,7) |
| PubChem CID | 11439 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2925.19.4200 |
| Tariff Code | 2925199590 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- 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
- 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, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- 2,5-Diketopyrrolidine
- 2,5-Dioxopyrrolidine
- 2,5-Pyrrolidinedione
- 3,4-Dihydropyrrole-2,5-dione
- Butanimide
- Dihydro-3-pyrroline-2,5-dione
- pyrrolidine-2,5-dione
- Succinic acid imide
- Succinic imide
- Succinimide-sauba
Frequently asked questions
What is succinimide used for?
Succinimide is commonly used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, and as a reagent in organic synthesis.
What is the chemical formula and molecular weight of succinimide?
The chemical formula is C4H5NO2, and the molecular weight is 99.09 g/mol.
How should succinimide be stored?
Succinimide should be stored at ambient temperature, protected from moisture and heat.
What grade of succinimide does Molekula supply?
Molekula supplies succinimide to a specification of assay ≥99.0%, melting point 121 - 126°C, loss on drying ≤0.5% and residue on ignition ≤0.5%, suitable for laboratory and industrial applications.
Can Molekula supply succinimide in bulk?
Yes, Molekula can supply succinimide in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a succinimide order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Where can I buy Succinimide?
Directly from Molekula, which lists Succinimide in 1 kg packs from £91.20 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.