Molekula
Itaconic acid
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
Itaconic acid is a dicarboxylic acid used in polymer synthesis, pharmaceuticals, and as a building block in organic chemistry. It appears as a white crystalline powder and is soluble in water. CAS: 97-65-4, Molecular formula: C5H6O4, Molecular weight: 130.10 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Itaconic acid 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.
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1 kg — £32.60 per pack ex VAT · £39.12 inc. VAT
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystal or powder |
| Melting Point | 165 - 168 ℃ |
| Heavy metals | ≤10ug/g |
| Loss on Drying | ≤0.3% |
| Chloride (Cl-) | ≤10ug/g |
| Purity | ≥99.6% |
| Residue on Ignition | ≤0.01% |
| APHA | ≤5 |
| Iron (Fe) | ≤3ug/g |
| Arsenic (As) | ≤4ug/g |
| Copper (Cu) | ≤1ug/g |
| Manganese (Mn) | ≤1ug/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals |
| Odour | Characteristic odor |
| Melting Point | 162-164 °c with decomp, also reported as 172 °c |
| Boiling Point | 268 °c, sublimes |
Source: PubChem CID 811 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 10565984 |
| CAS Number | 97-65-4 |
| IUPAC Name | 2-methylidenebutanedioic acid |
| EC Number | 202-599-6 |
| Molecular Formula | C5H6O4 |
| Molecular Weight | 130.10 |
| Exact Mass | 130.0266 |
| SMILES | C=C(CC(=O)O)C(=O)O |
| InChIKey | LVHBHZANLOWSRM-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h1-2H2,(H,6,7)(H,8,9) |
| PubChem CID | 811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29171940 |
| Tariff Code | 2917198070 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, Finnish, French, German, Italian, 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
- 2-methylenebutanedioic acid
- 2-Methylenesuccinic acid
- 2-methylidenebutanedioic acid
- 2-Propene-1,2-dicarboxylic acid
- Butanedioic acid, methylene-
- itaconate
- Methylenebutanedioic acid
- METHYLENESUCCINIC ACID
- Propylenedicarboxylic acid
- Succinic acid, methylene-
Frequently asked questions
What is itaconic acid used for?
Itaconic acid is primarily used in the synthesis of polymers, resins, and coatings due to its ability to act as a monomer in copolymerization reactions.
What is the chemical formula and molecular weight of itaconic acid?
The chemical formula is C5H6O4 and the molecular weight is 130.10 g/mol.
How should itaconic acid be stored?
Itaconic acid should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of itaconic acid does Molekula supply?
Molekula supplies itaconic acid in technical grade, suitable for industrial and research applications.
Can Molekula supply itaconic acid in bulk?
Yes, Molekula can supply itaconic acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of itaconic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.