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Merck
CN

CX2414

Cyclopentane

OmniSolv®

Synonym(s):

Cyclopentane, Pentamethylene

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About This Item

Linear Formula:
-CH2(CH2)3CH2-
UNSPSC Code:
41116105
Assay:
≥99.8%

Key Documents

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product line

OmniSolv®

assay

≥99.8%

form

liquid

composition

Cyclopentane, ≥85.0% , 2,2-Dimethylbutane, ≤15.0% , n-pentane, ≤3.0%

impurities

≤0.02% Water (H2O), ≤5 ng/L Capillary ECD responsive substances (as PCNB)

evapn. residue

≤1 ppm

color

APHA: ≤10

transition temp

flash point 1.7 °C

UV cutoff

≤198 nm

UV absorption

λ: 198 nm Amax: ≤1.00, λ: 210 nm Amax: ≤0.50, λ: 220 nm Amax: ≤0.10, λ: 230 nm Amax: ≤0.01

shipped in

ambient

storage temp.

room temp

Quality Level

100

Related Categories

General description

Cyclopentane is a colorless, flammable liquid that belongs to the class of acyclic hydrocarbons. It has a wide range of industrial applications due to its relatively low polarity, making it an effective solvent for non-polar and slightly polar reactions. cyclopentane is commonly used as a component in the preparation of various products, including analgesics, insecticides. Additionally, it serves as a representative of the naphthenic fraction in surrogate fuels.

Application

Cyclopentane can be used as
  • Solvent that solubilizes benzenesulfonamide (BSA), which is a precursor for many active pharmaceutical ingredients.
  • A solvent to prepare the mobile phase for HPLC analysis.
OmniSolv®

Packaging

is packaged in 4L amber glass bottle

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Assay (2,2-Dimethylbutane)15.0% maxAssay (Cyclopentane)85.0% minAssay (Total)99.8% minAssay (n-Pentane)3.0% maxCapillary ECD responsive substances (as PCNB)5ng/L maxColor (APHA)10 maxEvaporation residue1ppm maxFiltered through 0.2 µm filterTo pass testFluorescence (as quinine base)500ppt maxFormClear liquidInfrared SpectrumConforms to standardUV Abs. at 198 nm1.00AU maxUV Abs. at 210 nm0.50AU maxUV Abs. at 220 nm0.10AU maxUV Abs. at 230 nm0.01AU maxUV Cut-off198nm maxWater (H2O)0.02% max

Legal Information

OMNISOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

35.1 °F

flash_point_c

1.7 °C

Regulatory Information

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Certificates of Analysis (COA)

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Cyclopentane combustion chemistry. Part I: Mechanism development and computational kinetics
Al Rashidi, Mariam J ,et.al.
Combustion and Flame, 183, 358-371 (2017)
Synthesis, structural and conformational study of some esters derived from 3-methyl-3-azabicyclo [3.2. 1] octan-8 ($\alpha$ and $\beta$)-ols
Iriepa, Isabel,et.al.
Journal of Molecular Structure, 1073, 31-36 (2014)
Development of a Henry?s constant correlation and solubility measurements of n-pentane, i-pentane, cyclopentane, n-hexane, and toluene in water
Chapoy, Antonin,et.al.
The Journal of Chemical Thermodynamics, 40, 1030-1037 (2008)
Finding the right solvent: A novel screening protocol for identifying environmentally friendly and cost-effective options for benzenesulfonamide
Cysewski, Piotr,et.al.
Molecules (Basel), 28, 5008-5008 (2023)

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