1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE

Product Name: 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE
CAS No.: 4249-10-9
Chemical Name: 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE
Synonyms: openta-1,3-diene;1,2,3,4-TetramethyL;Tetrmethylcyclopendadiene;Tetramethylcyclopentenone;TETRAMETHYLCYCLOPENTADIENE;1234 tetramethylcylcopentadiene;1,2,3,4-TETRAMETHYLCYCLOPENTADIENE;1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE;1,2,3,4-TetraMethylcyclopenta-1,3-diene;tetramethylcyclopentadiene, mixed isomers
CBNumber: CB3496011
Molecular Formula: C9H14
Formula Weight: 122.21
MOL File: 4249-10-9.mol

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1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE Property

Boiling point:: 142 °C (lit.)
Density: 0.808 g/mL at 25 °C (lit.)
refractive index: n20/D 1.472(lit.)
Flash point:: 108 °F
storage temp.: Sealed in dry,2-8°C
solubility: Not miscible mix with mater.
form: Liquid
Specific Gravity: 0.808
color: Light yellow
Sensitive: Air & Moisture Sensitive
InChI: InChI=1S/C9H14/c1-6-5-7(2)9(4)8(6)3/h5H2,1-4H3
InChIKey: VNPQQEYMXYCAEZ-UHFFFAOYSA-N
SMILES: C1(C)CC(C)=C(C)C=1C

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Safety

Risk Statements: 10
Safety Statements: 16
RIDADR: UN 3295 3/PG 3
WGK Germany: 3
HazardClass: 3
PackingGroup: III
HS Code: 29021900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 424471
Product name: 1,2,3,4-Tetramethyl-1,3-cyclopentadiene
Purity: ~85%
Packaging: 5g
Price: $179
Updated: 2025/07/31

TRC

Product number: T301195
Product name: 1,2,3,4-Tetramethylcyclopenta-1,3-diene
Packaging: 100mg
Price: $50
Updated: 2021/12/16

TRC

Product number: T301195
Product name: 1,2,3,4-Tetramethylcyclopenta-1,3-diene
Packaging: 1g
Price: $125
Updated: 2021/12/16

Matrix Scientific

Product number: 093798
Product name: 1,2,3,4-Tetramethylcyclopenta-1,3-diene
Purity: 95+%
Packaging: 1g
Price: $95
Updated: 2021/12/16

AK Scientific

Product number: 5861AB
Product name: 1,2,3,4-Tetramethylcyclopenta-1,3-diene
Packaging: 5g
Price: $242
Updated: 2021/12/16

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1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE Chemical Properties,Usage,Production

Chemical Properties

light yellow liquid

Uses

1,2,3,4-Tetramethylcyclopenta-1,3-diene is an intermediate in the conversion of ethylene to polyenes

Uses

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[5.2.1.0^2,6]dec-8-ene-3,5-dione.

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.

1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE Preparation Products And Raw materials

Raw materials

p-Toluenesulfonic acid Diethyl ether Benzene Lithium Aluminum Hydride 2,3,4,5-TETRAMETHYL-2-CYCLOPENTENONE

Preparation Products

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1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE Suppliers

Belgium 1 China 90 Germany 3 India 5 Japan 1 Switzerland 1 United Kingdom 2 United States 15 Global 118

Alfa Chemistry

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View Lastest Price from 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Product: 1,2,3,4-Tetramethylcyclopentadiene 4249-10-9
Price: US $2.00-5.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 100kg
Release date: 2025-07-08

PUSHAN INDUSTRIAL (SHAANXI) CO.,LTD

Product: 1,2,3,4-Tetramethyl-1,3-Cyclopentadiene 4249-10-9
Price: US $0.00/kg
Min. Order: 0.05kg
Purity: 95%
Supply Ability: 100kgs
Release date: 2024-05-10

Shaanxi Dideu New Materials Co. Ltd

Product: 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE 4249-10-9
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-03-04

4249-10-9, 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENERelated Search:

TETRAMETHYL(N-PROPYL)CYCLOPENTADIENE Tetraphenylcyclopentadienone 2,5-DIETHYL-3,4-DIPHENYLCYCLOPENTADIENONE 5-BROMO-1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE SODIUM PENTAMETHYLCYCLOPENTADIENIDE 1,2,3,4,5-Pentamethylcyclopentadiene (Pentamethylcyclopentadien-1-yl)trimethylsilane 1,2,3,4,5-PENTAPHENYL-1,3-CYCLOPENTADIENE 1,2,3,4-TETRAPHENYL-1,3-CYCLOPENTADIENE 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE 1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE 85% TRIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE 1,2,3,4-Tetraphenylfulvene 2,5-BIS(METHOXYCARBONYL)-3,4-DIPHENYLCYCLOPENTADIENONE PENTAMETHYL CYCLOPENTADIENE-1,2,3,4,5-PENTACARBOXYLATE BIS(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIENE-1-YL)DIMETHYLSILANE, 95+%,BIS-(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIENE-1-YL)-DIMETHYLSILANE ETHYLTETRAMETHYLCYCLOPENTADIENE 2,5-Dimethyl-3,4-diphenylcyclopentadienone

1,2,3,4-TETRAMETHYL-1,3-CYCLOPENTADIENE

1,2,3,4-TETRAMETHYLCYCLOPENTADIENE

TETRAMETHYLCYCLOPENTADIENE

tetramethylcyclopentadiene, mixed isomers

Tetramethylcyclopentadiene, mixed isomers, 90+%

1,2,3,4-Tetramethyl-1,3-cyclopentadiene,85%

Tetrmethylcyclopendadiene

1,2,3,4-Tetramethyl-1,3-cyclopentadiene ,93%

1,2,3,4-Tetramethyl-1,3-cyclopentadiene ,85% [mixture of isomers]

1,2,3,4-Tetramethyl-1,3-cyclopentadiene, mixture of isomers, 85%

1,2,3,4-TetraMethyl-1,3-cyclopentadiene, 85% 5GR

1,2,3,4-TetraMethylcyclopenta-1,3-diene

Tetramethylcyclopentadiene, mixture of isomers, technical, 85%

1,2,3,4-TetramethyL

openta-1,3-diene

1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-

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

1234 tetramethylcylcopentadiene

Tetramethylcyclopentenone

4249-10-9

C5H2CH34

C9H14

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Alkenes

Cyclic

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Alkenes

Cyclic

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