Itaconic Acid
| Formula: | C₅H₆O₄ |
| CAS Number: | 97-65-4 |
| EC Number (EINECS): | 201-552-8 |
| HS Code: | 29171990 |
| UN Number: | Not classified as hazardous for transport |
| IUPAC Name: | Methylene Succinic Acid |
| Also Known As: | 2-Methylidenebutanedioic Acid |
| Molecular Weight, g/mol: | 130.10 |
Typical Specifications
| Appearance: | White crystalline powder |
| Odor: | Odorless |
| Melting Point, °C: | 165–168 |
| Boiling Point, °C: | Decomposes before boiling |
| Density, g/cm³ (at 20°C): | 1.63 |
| Flash Point, °C: | >200 |
| pH (1% solution): | ~2.2 |
| Purity, %: | ≥99.5 |
| Grades Available: | Industrial, Technical, High-Purity |
| Packaging: | 25kg bags, 500kg/1000kg jumbo bags |
Applications / Uses
Primary Applications
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Monomer for bio-based polymers and resins
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Used in synthetic latex, adhesives, and coatings
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Intermediate for polyesters and plasticizers
Secondary Applications
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Raw material in detergents, dispersants, and superabsorbent polymers
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Additive in paper, textiles, and construction chemicals
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Used in production of ion-exchange resins
End Industries Served: Polymers, Adhesives, Coatings, Plastics, Detergents, Construction, Paper & Textiles
Safety & Handling Information
Hazard Class (GHS): Irritant (Category 2 for eyes/skin)
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation
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H315: Causes skin irritation
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H335: May cause respiratory irritation (dust)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing dust/fumes
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in a cool, dry, ventilated place
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Keep container tightly closed
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Protect from moisture and direct sunlight
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods