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Merck
CN

8.18770

Cyclopentane

for synthesis

Synonym(s):

Cyclopentane

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About This Item

Empirical Formula (Hill Notation):
C5H10
CAS Number:
Molecular Weight:
70.13
UNSPSC Code:
12352001
EC Index Number:
206-016-6
NACRES:
NA.22
MDL number:
Assay:
≥95% (GC)
Grade:
synthesis grade
Bp:
49 °C
Vapor pressure:
346 hPa ( 20 °C)
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grade

synthesis grade

Quality Level

vapor pressure

346 hPa ( 20 °C)

assay

≥95% (GC)

form

liquid

autoignition temp.

380 °C

potency

11400 mg/kg LD50, oral (Rat)

expl. lim.

1.5-8.7 % (v/v)

dilution

(for synthesis)

bp

49 °C

mp

-93.3 °C

transition temp

flash point -42 °C

solubility

insoluble 0.156 g/L

density

0.75 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

C1CCCC1

InChI

1S/C5H10/c1-2-4-5-3-1/h1-5H2

InChI key

RGSFGYAAUTVSQA-UHFFFAOYSA-N

Application

  • Di-Isatropolone C, a Spontaneous Isatropolone C Dimer Derivative with Autophagy Activity: Reports on a novel cyclopentane ring formation in the study of autophagy, highlighting synthetic potential in pharmacology (Fu et al., 2024).
  • Dearomative (3+ 2) Cycloaddition of Indoles for the Stereoselective Assembly of Fully Functionalized Cyclopentanoids: Showcases the use of cyclopentane in creating complex cyclopentanoids for advanced organic synthesis (Qatran Al-Khdhairawi et al., 2024).

Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.740 - 0.745
Identity (IR): passes test


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signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

supp_hazards

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-4.0 °F - closed cup

flash_point_c

-20 °C - closed cup

Regulatory Information

危险化学品

This item has



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Global Trade Item Number

SKUGTIN
818770250004027269024444
818770050004027269024437
818770010004027269024420