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424471

1,2,3,4-Tetramethyl-1,3-cyclopentadiene

~85%

Synonym(s):

1,2,3,4-Tetramethylcyclopentadiene

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About This Item

Empirical Formula (Hill Notation):
C9H14
CAS Number:
4249-10-9
Molecular Weight:
122.21
NACRES:
NA.22
PubChem Substance ID:
24866570
UNSPSC Code:
12352100
MDL number:
MFCD00145385
Assay:
~85%
Form:
liquid
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assay

~85%

Quality Segment

100

form

liquid

refractive index

n20/D 1.472 (lit.)

bp

142 °C (lit.)

density

0.808 g/mL at 25 °C (lit.)

SMILES string

CC1=C(C)C(C)=C(C)C1

InChI

1S/C9H14/c1-6-5-7(2)9(4)8(6)3/h5H2,1-4H3

InChI key

VNPQQEYMXYCAEZ-UHFFFAOYSA-N

General description

1,2,3,4-Tetramethyl-1,3-cyclopentadiene is a tetra substituted 1,3-cyclopentadiene. It participates in the synthesis of resin-bound tetramethylcyclopentadienes.

Application

1,2,3,4-Tetramethyl-1,3-cyclopentadiene may be used as a starting material in the synthesis of 1,7,8,9-tetramethyl-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione.

Other Notes

remainder mixture of isomers

pictograms

Flame
GHS02

signalword

Warning

hcodes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

107.6 °F - closed cup

flash_point_c

42 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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