1,2,3,4-Tetramethylcyclopenta-1,3-Diene

Name: 1,2,3,4-Tetramethylcyclopenta-1,3-Diene
Brand: Vaqora Chemicals
SKU: VQ-050580

About 1,2,3,4-Tetramethylcyclopenta-1,3-Diene

1,2,3,4-Tetramethylcyclopenta-1,3-Diene (CAS 4249-10-9) is a hydrocarbon offered by Vaqora Chemicals. The compound has the formula C9H14, corresponding to a molecular weight of 122.21 g/mol. Alternative names: 1,2,3,4-Tetramethylcyclopentadiene and 1,2,3,4-tetramethyl-cyclopentadiene.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 1,2,3,4-Tetramethylcyclopenta-1,3-Diene in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,2,3,4-Tetramethylcyclopenta-1,3-Diene
Catalogue No.	VQ-050580
CAS Number	4249-10-9
IUPAC name	1,2,3,4-tetramethylcyclopenta-1,3-diene
Molecular formula	C₉H₁₄
Molecular weight	122.21 g/mol
Exact mass	122.1096
InChIKey	VNPQQEYMXYCAEZ-UHFFFAOYSA-N
SMILES	CC1=C(C(=C(C1)C)C)C
PubChem CID	138163

Physical properties
Physical form	Other
LogP (XLogP3)	1.5
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	1,2,3,4-Tetramethylcyclopentadiene, 1,2,3,4-tetramethyl-cyclopentadiene, 1,2,3,4-Tetramethyl-1,3-cyclopentadiene, Tetramethylcyclopentadiene, 1,2,3,4-tetramethyl, 2,3,4,5-tetramethylcyclopenta-2,4-diene, 1,2,3,4-Tetramethyl- 1,3-cyclopentadiene, mixed isomers

Safety & hazard information (GHS)

Flammable

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor

Precautionary statements: P210, P233, P240, P241, P242, P243, P280, P303 + P361 + P353, P370 + P378, P403 + P235, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1,2,3,4-Tetramethylcyclopenta-1,3-Diene?

The CAS Registry Number of 1,2,3,4-Tetramethylcyclopenta-1,3-Diene is 4249-10-9. It is also known as 1,2,3,4-Tetramethylcyclopentadiene, 1,2,3,4-tetramethyl-cyclopentadiene, 1,2,3,4-Tetramethyl-1,3-cyclopentadiene.

What is the molecular formula and molecular weight of 1,2,3,4-Tetramethylcyclopenta-1,3-Diene?

1,2,3,4-Tetramethylcyclopenta-1,3-Diene has the molecular formula C9H14 and a molecular weight of 122.21 g/mol. Its IUPAC name is 1,2,3,4-tetramethylcyclopenta-1,3-diene.

Which grade and pack sizes of 1,2,3,4-Tetramethylcyclopenta-1,3-Diene can I order?

We supply 1,2,3,4-Tetramethylcyclopenta-1,3-Diene, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,2,3,4-Tetramethylcyclopenta-1,3-Diene?

Yes. Every lot of 1,2,3,4-Tetramethylcyclopenta-1,3-Diene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1,2,3,4-Tetramethylcyclopenta-1,3-Diene be shipped internationally?

Yes. 1,2,3,4-Tetramethylcyclopenta-1,3-Diene is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.