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129828

Sigma-Aldrich

Methylcyclopentadiene dimer

93%

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Synonym(s):
3a,4,7,7a-Tetrahydrodimethyl-4,7-methano-1H-indene, Bis(methylcyclopentadiene)
Empirical Formula (Hill Notation):
C12H16
CAS Number:
26472-00-4
Molecular Weight:
160.26
UNSPSC Code:
12352100
PubChem Substance ID:
24847928
NACRES:
NA.22

vapor density

4.6 (vs air)

Quality Level

100

vapor pressure

~7.5 mmHg ( 47.8 °C)

Assay

93%

form

liquid

contains

200 ppm p-tert.-butylcatechol as inhibitor

expl. lim.

~10 %

impurities

≤3.5% acyclic dienes
0.5% benzene
0.6% toluene
1.5% C7 cyclodienes

refractive index

n20/D 1.498 (lit.)

bp

200 °C (lit.)

mp

−51 °C (lit.)

density

0.941 g/mL at 25 °C (lit.)

SMILES string

CC1=CC2C(C1)C3CC2C(C)=C3

InChI

1S/C12H16/c1-7-3-11-9-5-8(2)10(6-9)12(11)4-7/h4-5,9-12H,3,6H2,1-2H3

InChI key

IYQYZZHQSZMZIG-UHFFFAOYSA-N

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Application

Methylcyclopentadiene dimer was used to study the competition with ethylene for binding and biological activities.
The kinetics of the dissociation of the methylcyclopentadiene dimers was studied.

Other Notes

Material may darken in storage

Pictograms

FlameHealth hazard
GHS02,GHS08

Signal Word

Danger

Hazard Statements

H226,H340,H350

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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Langer SH, et al.
Journal of Chromatography A, 122, 487-503 (1976)
[Toxicity, hazard and nature of the biological action of methylcyclopentadiene dimer].
N G Ivanov et al.
Gigiena truda i professional'nye zabolevaniia, (5)(5), 45-45 (1981-05-01)
Sisler EC and Wood C.
Plant Growth Regulation, 7(3), 181-191 (1988)

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