cyclopentane

• ChemBase ID: 103148
• Molecular Formular: C5H10
• Molecular Mass: 70.1329
• Monoisotopic Mass: 70.07825032
• SMILES: C1CCCC1
• Canonical SMILES: C1CCCC1
• InChI: InChI=1S/C5H10/c1-2-4-5-3-1/h1-5H2
• InChIKey: RGSFGYAAUTVSQA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: cyclopentane
• IUPAC Traditional name: cyclopentane; cyclopentamin
• Synonyms: pentamethylene; Cyclopentane, HPLC Grade; CYCLOPENTANE; CYCLOPENTANE 75%, CERTIFIED GRADE; Cyclopentane; 环戊烷, HPLC级; 环戊烷

Database IDs

• CAS Number: 287-92-3
• EC Number: 206-016-6
• MDL Number: MFCD00001356
• Beilstein Number: 1900195
• Merck Index: 142741
• PubChem SID: 24857286; 24856383; 24857877; 24869595; 162090623
• PubChem CID: 9253
• CHEBI ID: 23492
• Chemspider ID: 8896
• Wikipedia Title: Cyclopentane

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 2.2228434
• LogD (pH = 7.4): 2.2228434
• Log P: 2.2228434
• Molar Refractivity: 23.005 cm^3
• Polarizability: 9.23521 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: clear, colorless liquid; Liquid
• Melting Point: -93 °C (-135 °F); -94 °C; -94 °C(lit.); -95°C
• Boiling Point: 47-49°C; 49°C; 49.5 °C (121 °F); 50 °C(lit.)
• Flash Point: -20 °C; -37°C(-34°F); -4 °F
• Auto Ignition Point: 361 °C (682 °F); 682 °F
• Density: 0.748; 0.75 at 20 °C (water = 1); 0.751 g/cm^3; 0.751 g/mL at 25 °C(lit.)
• Refractive Index: 1.4060; n20/D 1.402; n20/D 1.404; n20/D 1.405(lit.); n20/D 1.406
• Vapor Pressure: 17.74 psi ( 55 °C); 17.85 psi ( 55 °C); 18.35 psi ( 55 °C); 18.93 psi ( 55 °C); 317.8 mm Hg at 25 °C., 400 mm Hg at 31 °C; 5.09 psi ( 20 °C); 5.12 psi ( 20 °C); 5.3 psi ( 21 °C); 5.32 psi ( 20 °C); 5.67 psi ( 20 °C); 9.9 psi ( 38 °C)
• Vapor Density: ~2 (vs air); 2.4 (air = 1)
• Absorption Wavelength: λ: 198 nm Amax: 1.0; λ: 200 nm Amax: 1.0; λ: 210 nm Amax: 0.50; λ: 220 nm Amax: 0.1; λ: 220 nm Amax: 0.10; λ: 240 nm Amax: 0.01; λ: 240-400 nm Amax: 0.01
• pKa: ~45

Safety Information

• Storage Condition: 2-8°C
• RTECS: GY2390000
• European Hazard Symbols: Flammable (F)
• UN Number: 1146; UN1146
• German water hazard class: 3
• Hazard Class: 3
• Packing Group: 2; II
• Australian Hazchem: 3YE
• Risk Statements: 11-52/53; R:11-52/53
• Safety Statements: 9-16-29-33-61; S:9-16-29-33-61
• EU Classification: F1
• EU Hazard Identification Number: 3B
• Emergency Response Guidebook(ERG) Number: 128
• TSCA Listed: 是
• GHS Pictograms: GHS02
• GHS Signal Word: Danger
• Explode Limits: 8.7 %
• GHS Hazard statements: H225-H412
• GHS Precautionary statements: P210-P241-P280-P303+P361+P353-P403+P235-P501A; P210-P273
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1146 3/PG 2

Product Information

• Purity: >75% cyclopentane basis; ≥75% (GC); ≥75% cyclopentane basis; ≥97.0% (GC); ≥98% cyclopentane and saturated C5 hydrocarbons basis; ≥98.5% (GC); ≥99.0% (GC); 75%; 95%; 97%; 98%
• Grade: analytical standard; analytical standard, for environmental analysis; anhydrous; B&J Brand (product of Burdick & Jackson); CHROMASOLV®; for HPLC; purum; reagent grade; technical
• Evaporation Residue: <0.0003%; ≤0.001%
• Impurities: ≤0.02% water; ≤2% 2,2-dimethyl-butane; ≥75% cyclopentane; 2,2-dimethyl-butane; C5 and C6 saturated hydrocarbons, balance; cyclopentene
• Shelf Life: (limited shelf life, expiry date on the label)
• λ: 1 cm path, H2O reference; H2O reference
• Empirical Formula (Hill Notation): C5H10

DETAILS

MP Biomedicals - 02150747

Purity: 97%
1 ml = approx. 0.75 g

MP Biomedicals - 05214149

MP Biomedicals Rare Chemical collection

Sigma Aldrich - C111805

Packaging
500 mL in glass bottle

Sigma Aldrich - 29686

General description
Special brochure (85475) available at cost price.
Other Notes
Sales restrictions may apply

Sigma Aldrich - 459747

Packaging
100, 500 mL in glass bottle
2 L in glass bottle
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 287687

Other Notes
remainder C5 and C6 hydrocarbons

Sigma Aldrich - 270601

Packaging
1, 2 L in glass bottle
Preparation Note
Glass distilled
Legal Information
CHROMASOLV is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH