The corresponding substance of CAS 101-83-7 is Dicyclohexylamine, which is a strong alkaline secondary amine of the cycloaliphatic group. It is a colorless oily liquid at room temperature and has a fishy ammonia smell. It is widely used as a rubber accelerator, metal corrosion inhibitor, and organic synthesis intermediate.

Core physical and chemical parameters
-Chinese name: Dicyclohexylamine (also known as dodecahydrodiphenylamine, N-cyclohexylcyclohexylamine)
-Molecular formula/molecular weight: C ₁₂ H ₂∝ N/181.32
-Appearance: Colorless transparent oily liquid with a pungent fishy and ammonia odor
-Melting point/boiling point: -2 ° C/256 ° C
-Density/refractive index: 0.912 g/mL (20 ° C)/1.4842 (n ² ⁰/D)
-Solubility: Slightly soluble in water, miscible in organic solvents such as ethanol, ether, benzene, etc
-Acidity coefficient: pKa ≈ 10.4 (25 ° C), belonging to strong alkali
-Flash point: approximately 99 ° C (205 ° F)

Main application areas
1. Industrial additives: synthetic rubber vulcanization accelerators, paint/ink catalysts
2. Anti corrosion protection: steel vapor phase corrosion inhibitor, oilfield acid pickling corrosion inhibitor, boiler water treatment agent
3. Chemical synthesis: Preparation of N, N ‘- dicyclohexylcarbodiimide (DCC), pesticide and pharmaceutical intermediates
4. Other uses: acid gas absorbent, surfactant raw materials, printing and dyeing auxiliaries

Safety and Storage Warning
-Toxicity classification: Highly toxic; Oral administration of LD ₅₀ to rats is approximately 373 mg/kg; Can be absorbed through the skin and cause allergies or gangrene
-Corrosion risk: Strong alkali, severely corrosive to the skin and eyes; Reacts violently with acid
-Storage requirements: Seal and store in a cool and ventilated place, away from sources of fire, oxidants, and acids; Usually packaged in 150-180kg iron drums
-Protection suggestion: Forced ventilation is required during operation, and anti-corrosion protective equipment should be worn; The allowable concentration in the workplace is usually ≤ 1-10 mg/m ³ (depending on the standard)

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Dicyclohexylamine CAS 101-83-7
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