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Key Documents

8.18534

Sigma-Aldrich

1,2,3,4,5-Pentamethylcyclopentadiene

for synthesis

Synonym(s):

1,2,3,4,5-Pentamethylcyclopentadiene

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About This Item

Empirical Formula (Hill Notation):
C10H16
CAS Number:
Molecular Weight:
136.23
MDL number:
UNSPSC Code:
12352002
EC Index Number:
223-743-4
NACRES:
NA.22

Quality Level

Assay

≥88.0% (GC)

form

liquid

bp

58 °C/17 hPa

transition temp

flash point 44 °C

density

0.84 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C10H16/c1-6-7(2)9(4)10(5)8(6)3/h6H,1-5H3

InChI key

WQIQNKQYEUMPBM-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 88.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.837 - 0.843
Identity (IR): passes test

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

111.2 °F - closed cup

Flash Point(C)

44 °C - closed cup


Certificates of Analysis (COA)

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