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Tetramethylcyclopentadiene, mixed isomers, tech. 85%

Product Code. 11328887
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Product Code. 11328887 Supplier Thermo Scientific Alfa Aesar Supplier No. 038577.06
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Estimated Shipment: 12-08-2026
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Description

CAS: 4249-10-9 | C9H14 | 122.21 g/mol

Tetramethylcyclopentadiene is used in pharmaceutical intermediates.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 4249-10-9
Molecular Formula C9H14
Molecular Weight (g/mol) 122.21
MDL Number MFCD00145385
InChI Key VNPQQEYMXYCAEZ-UHFFFAOYSA-N
Synonym 1,2,3,4-tetramethylcyclopentadiene, tetramethylcyclopentadiene, 1,2,3,4-tetramethyl-1,3-cyclopentadiene, tetramethyl cyclopentadiene, tetramethylcyclopentadiene, mixed isomers, pubchem15072, acmc-1an6q, 1,3-cyclopentadiene, tetramethyl, 2,3,4,5-tetramethylcyclopenta-2,4-diene
PubChem CID 138163
IUPAC Name 1,2,3,4-tetramethylcyclopenta-1,3-diene
SMILES CC1=C(C(=C(C1)C)C)C

Specifications

Color Colorless
Density 0.808 g/mL
Boiling Point 55°C to 59°C (13 mmHg)
Flash Point 42°C (108°F)
Refractive Index 1.472
Quantity 5 g
UN Number UN3295
Sensitivity Air and moisture sensitive
Solubility Information Not miscible mix with mater.
Formula Weight 122.21
Percent Purity 85%
Grade Technical
Physical Form Liquid
Chemical Name or Material Tetramethylcyclopentadiene, Mixed isomers
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