Agrochemicals

Cyclohexanecarboxaldehyde (CAS No. 2043-61-0)

1. Basic Information

• IUPAC Name: Cyclohexanecarboxaldehyde
• Synonyms:
  • Hexahydrobenzaldehyde
  • Cyclohexyl formaldehyde
• CAS Number: 2043-61-0
• Molecular Formula: C₇H₁₂O
• Molecular Weight: 112.17 g/mol
• Appearance: Colorless to pale yellow liquid
• Odor: Pungent, aldehyde-like odor

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2. Physical and Chemical Properties

Property	Value
Boiling Point	161–163°C (322–325°F)
Density	0.92–0.94 g/cm³ (20°C)
Refractive Index	1.448–1.452 (20°C)
Flash Point	46°C (115°F) (closed cup)
Solubility	– Water: Slightly soluble
	– Organic solvents: Miscible with ethanol, ether, acetone
Vapor Pressure	2.5 mmHg at 20°C

 

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3. Hazards (GHS Classification)

• Flammability: Flammable liquid (H226)
• Health Hazards:
  • Causes skin irritation (H315)
  • Causes serious eye irritation (H319)
  • Harmful if swallowed (H302)
• Environmental: Toxic to aquatic life (H411)
• NFPA Rating: Health 2, Flammability 2, Reactivity 1

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4. Storage and Handling

• Storage:
  • Keep in tightly sealed containers away from heat/open flames
  • Store in a cool, well-ventilated area
• Handling:
  • Use chemical-resistant gloves (nitrile) and safety goggles
  • Ground containers during transfer

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5. Applications

• Fragrance Industry:
  • Intermediate for floral and citrus scents
• Organic Synthesis:
  • Precursor for pharmaceuticals (e.g., antihistamines)
  • Building block for agrochemicals
• Polymer Chemistry:
  • Monomer for specialty resins

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