Alkyl Succinic Anhydrides
| Formula: | C₈H₁₂O₃ (base succinic anhydride; alkyl chain varies, typically C₁₄–C₂₂) |
| CAS Number: | 2897-60-1 (C16 ASA, representative) |
| EC Number (EINECS): | 246-533-1 (for representative alkyl succinic anhydrides) |
| HS Code: | 29173990 |
| UN Number: | Not classified as dangerous goods |
| IUPAC Name: | Alkyl-substituted oxolane-2,5-dione |
| Also Known As: | ASA; Alkenyl Succinic Anhydride; Alkenyl-Substituted Succinic Anhydride |
| Molecular Weight, g/mol: | Variable (depending on alkyl chain, typically 266–450) |
Typical Specifications
| Appearance: | Clear to pale yellow liquid |
| Odor: | Mild characteristic |
| Melting Point, °C: | < -20 |
| Boiling Point, °C: | > 300 (decomposes) |
| Flash Point, °C: | > 150 |
| Solubility: | Insoluble in water; soluble in organic solvents |
| Purity, %: | ≥ 95 |
| Grades Available: | Standard ASA, Tailored Alkyl Chain Grades |
| Packaging: | 200kg drums, 1000kg IBC tanks, bulk |
Applications / Uses
Primary Applications
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Surface sizing agent in paper industry (improves paper strength and hydrophobicity)
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Used in production of sizing emulsions for alkaline papermaking
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Binder and additive in paper & board coatings
Secondary Applications
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Intermediate for lubricants and dispersants
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Used in adhesives and coating formulations
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Modifier in oilfield and water treatment chemicals
End Industries Served: Paper & Pulp, Packaging, Coatings, Adhesives, Oilfield Chemicals, Water Treatment
Safety & Handling Information
Hazard Class (GHS): Irritant (Category 2)
Hazard Statements (H-Codes):
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H315: Causes skin irritation
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation (vapors/mist)
Precautionary Statements (P-Codes):
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P261: Avoid breathing vapors/mist
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P280: Wear protective gloves/eye protection
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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, well-ventilated area
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Protect from moisture and direct sunlight
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Keep container tightly closed
Transport Information
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ADR/RID: Not regulated
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IMDG: Not regulated
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IATA: Not regulated