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Safety Information

129828

Sigma-Aldrich

Methylcyclopentadiene dimer

93%

Synonym(s):

3a,4,7,7a-Tetrahydrodimethyl-4,7-methano-1H-indene, Bis(methylcyclopentadiene)

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About This Item

Empirical Formula (Hill Notation):
C12H16
CAS Number:
Molecular Weight:
160.26
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

4.6 (vs air)

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

Signal Word

Danger

Hazard Statements

Flash Point(F)

closed cup

Flash Point(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.

PRTR

Specified Class I Designated Chemical Substances

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

129828-100ML:
129828-BULK:
129828-4L:
129828-VAR:
129828-500ML:4548174006849
129828-5ML:


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Sisler EC and Wood C.
Plant Growth Regulation, 7(3), 181-191 (1988)
[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)
Langer SH, et al.
Journal of Chromatography A, 122, 487-503 (1976)

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