CAS 110-82-7 corresponds to cyclohexane, with a molecular formula of C ₆ H ₁ ₂ and a molecular weight of 84.16. It is a colorless and flammable cyclic hydrocarbon commonly used as an organic solvent and precursor for nylon.

Basic Information
-Chinese name: Cyclohexane
-English name: Cyclohealth
-Alias: hexahydrobenzene hexahydrobenzene、hexamethylene
-Molecular formula: C ₆ H ₁ ₂
-Molecular weight: 84.16
-EINECS number: 203-806-2
-Structural features: There are “chair like” and “boat like” conformations, with the majority being chair like at room temperature

Physical and chemical properties
-Appearance: Colorless transparent liquid with a slight irritating odor
-Melting point: about 6.5 ℃
-Boiling point: approximately 80.7-81 ℃
-Density: Approximately 0.778-0.78 g/cm ³ (20 ℃)
-Flash point: -18 ℃ (closed cup), highly flammable
-Solubility: insoluble in water; Dissolve in organic solvents such as ethanol, ether, benzene, acetone, etc
-Refractive index: approximately 1.426

main purpose
1. Industrial raw materials: key monomers for producing nylon such as adipic acid and caprolactam
2. Solvent applications: solvents for rubber, coatings, varnishes, oil extractants, photoresist solvents
3. Analytical reagents: chromatographic analysis standard substances, chelating titration auxiliary solvents
4. Organic synthesis: preparation of intermediates such as cyclohexanol and cyclohexanone

Safety and Hazards
-Hazard Category: Flammable Liquid (Category 2), Harmful to Swallowing, Highly Toxic to Aquatic Organisms
-GHS Warning: H225 (highly flammable), H304 (may be fatal if swallowed), H410 (extremely toxic to aquatic organisms)
-Protective measures: Keep away from sources of fire/static electricity, maintain ventilation, avoid inhaling vapors or contact with skin and eyes
-Transport number: UN 1145, dangerous goods category 3

This substance is mainly produced by hydrogenation of benzene and is widely used in the fields of chemical, pharmaceutical, and electronic cleaning. When used, it must strictly comply with hazardous chemical management regulations.

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Cyclohexane CAS 110-82-7
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