Isophorone
| Formula: | C₉H₁₄O |
| CAS Number: | 78-59-1 |
| EC Number (EINECS): | 201-896-0 |
| HS Code: | 29141990 |
| UN Number: | 1915 |
| IUPAC Name: | 3,5,5-Trimethyl-2-cyclohexen-1-one |
| Also Known As: | 3,5,5-Trimethylcyclohex-2-en-1-one; Isoacetophorone |
| Molecular Weight, g/mol: | 138.21 |
Typical Specifications
| Appearance: | Clear to pale yellow liquid |
| Odor: | Peppermint-like |
| Melting Point, °C: | –8 |
| Boiling Point, °C: | 215 |
| Density, g/cm³ (at 20°C): | 0.923 |
| Flash Point, °C: | 85 (closed cup) |
| Refractive Index (20°C): | 1.474–1.478 |
| Vapor Pressure (at 20°C): | 0.4 mmHg |
| Purity, %: | ≥99 |
| Grades Available: | Technical, Industrial, High-Purity |
| Packaging: | 200kg drums, 1000kg IBC tanks, bulk ISO tanks |
Applications / Uses
Primary Applications
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Used as solvent for polymers, resins, and coatings
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Important intermediate in production of isophorone diisocyanate (IPDI)
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Applied in herbicides, pesticides, and biocides manufacturing
Secondary Applications
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Used in adhesives, inks, and paints
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Intermediate in synthesis of specialty chemicals
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Solvent for dyes, nitrocellulose, and plasticizers
End Industries Served: Coatings, Adhesives, Agrochemicals, Specialty Chemicals, Plastics, Inks
Safety & Handling Information
Hazard Class (GHS): Flammable liquid (Category 4), Eye Irritant (Category 2A), Specific Target Organ Toxicity (Category 3)
Hazard Statements (H-Codes):
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H227: Combustible liquid
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P210: Keep away from heat, sparks, open flames
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P280: Wear protective gloves/eye protection
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P304 + P340: IF INHALED – remove person to fresh air and keep at rest
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water for several minutes
Storage Conditions
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Store in cool, dry, ventilated place
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Keep containers tightly closed
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Avoid sources of ignition
Transport Information
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ADR/RID: Class 3, UN1915, PG III
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IMDG: Class 3, UN1915, PG III
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IATA: Class 3, UN1915, PG III