650455

Cyclohexane

suitable for HPLC, ≥99.9%

• Empirical Formula (Hill Notation): C₆H₁₂
• CAS Number: 110-82-7
• Molecular Weight: 84.16
• Beilstein: 1900225
• EC Number: 203-806-2
• MDL number: MFCD00003814
• UNSPSC Code: 12190000
• PubChem Substance ID: 329760021
• NACRES: NA.06

Properties

• vapor density: 2.9 (vs air)
• vapor pressure: 168.8 mmHg ( 37.7 °C); 77 mmHg ( 20 °C)
• Assay: ≥99.9%
• form: liquid
• autoignition temp.: 500 °F
• expl. lim.: 9 %
• technique(s): HPLC: suitable
• impurities: ≤1.0 ppb Fluorescence (quinine) at 365 nm; <0.01% water
• evapn. residue: <0.0001%
• halogenated residue: <10 ng/L (as heptachlor epoxide)
• refractive index: n20/D 1.426 (lit.)
• bp: 80.7 °C (lit.)
• mp: 4-7 °C (lit.)
• density: 0.779 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 200 nm A_max: 1.00; λ: 225 nm A_max: 0.17; λ: 250 nm A_max: 0.02; λ: 300-400 nm A_max: 0.005
• application(s): food and beverages
• SMILES string: C1CCCCC1
• InChI: 1S/C6H12/c1-2-4-6-5-3-1/h1-6H2
• InChI key: XDTMQSROBMDMFD-UHFFFAOYSA-N

Description

General description

Cyclohexane, a cycloalkane, is a combustible liquid with petrol like odor. It can be synthesized by hydrogenation of benzene in the presence of nickel or platinum catalysts. Cyclohexane is the precursor for the synthesis of polyamides. Cyclohexane ring forms the structural unit of many naturally occurring products. The conformational changes of cyclohexane have been investigated over the temperature range of 100-1200°C. Conversion of cyclohexane to cyclohexanol and cyclohexanone, via oxidation in the presence of Cu-nanoclusters anchored on nanocrystalline Cr₂O₃ has been reported.

Application

Suitable for HPLC, spectrophotometry, environmental testing

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Safety Information

• Pictograms: GHS02,GHS08,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H225,H304,H315,H336,H410
• Precautionary Statements: P210 - P233 - P273 - P301 + P310 - P303 + P361 + P353 - P331
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Central nervous system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): -4.0 °F - closed cup
• Flash Point(C): -20 °C - closed cup