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8.18770

Sigma-Aldrich

Cyclopentane

for synthesis

Synonym(s):

Cyclopentane

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About This Item

Empirical Formula (Hill Notation):
C5H10
CAS Number:
287-92-3
Molecular Weight:
70.13
MDL number:
MFCD00001356
UNSPSC Code:
12352001
EC Index Number:
206-016-6
NACRES:
NA.22

vapor pressure

346 hPa ( 20 °C)

Quality Level

200

Assay

≥95% (GC)

form

liquid

autoignition temp.

380 °C

potency

11400 mg/kg LD50, oral (Rat)

expl. lim.

1.5-8.7 % (v/v)

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

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

Signal Word

Danger

Hazard Statements

H225 - H304 - H336 - H412

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-4.0 °F - closed cup

Flash Point(C)

-20 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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