Adipic Acid
| Formula: | C₆H₁₀O₄ |
| CAS Number: | 124-04-9 |
| EC Number (EINECS): | 204-673-3 |
| HS Code: | 29171200 |
| UN Number: | 9077 (not classified as dangerous goods for transport under most regulations) |
| IUPAC Name: | Hexanedioic Acid |
| Also Known As: | 1,4-Butanedicarboxylic Acid; Adipinic Acid |
| Molecular Weight, g/mol: | 146.14 |
Typical Specifications
| Appearance: | White crystalline powder |
| Odor: | Odorless |
| Melting Point, °C: | 152–154 |
| Boiling Point, °C: | 337 (decomposes) |
| Density, g/cm³ (at 20°C): | 1.36 |
| Flash Point, °C: | 210 (closed cup) |
| pH (1% solution): | ~2.5–3.0 |
| Purity, %: | ≥99.7 |
| Grades Available: | Industrial, Technical, Food Grade (FCC/E) |
| Packaging: | 25kg bags, 500kg/1000kg jumbo bags, bulk |
Applications / Uses
Primary Applications
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Key intermediate in production of Nylon 6,6 (polyamide fibers & resins)
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Raw material for polyurethanes and plasticizers
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Used in food as an acidity regulator (E355)
Secondary Applications
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Ingredient in adhesives, lubricants, and coatings
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Used in production of polyester polyols and synthetic lubricants
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Intermediate in pharmaceutical and cosmetic formulations
End Industries Served: Plastics, Polymers, Textiles, Food & Beverages, Adhesives, Coatings, Lubricants, Pharmaceuticals, Cosmetics
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous in most jurisdictions; may cause mild irritation
Hazard Statements (H-Codes):
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H319: Causes serious eye 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 cool, dry, ventilated place
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Protect from moisture and contamination
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Keep packaging tightly sealed
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