1,2,3,4,5-Pentamethylcyclopentadiene, 95%

Description

CAS: 4045-44-7 | C₁₀H₁₆ | 136.11 g/mol

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

Specifications

Chemical Identifiers

• CAS: 4045-44-7
• Molecular Formula: C₁₀H₁₆
• Molecular Weight (g/mol): 136.11
• MDL Number: MFCD00001354
• InChI Key: WQIQNKQYEUMPBM-UHFFFAOYSA-N
• Synonym: 1,2,3,4,5-pentamethylcyclopentadiene, pentamethylcyclopentadiene, cyclopentadiene, 1,2,3,4,5-pentamethyl, 1,3-cyclopentadiene, 1,2,3,4,5-pentamethyl, 1,3-cyclopentadiene, pentamethyl, 1,2,3,4,5-pentamethyl-1,3-cyclopentadiene, pubchem20101, acmc-209je4, wqiqnkqyeumpbm-uhfffaoysa, 1,2,3,4,5-pentamethylcyclopentadien
• PubChem CID: 77667
• IUPAC Name: 1,2,3,4,5-pentamethylcyclopenta-1,3-diene
• SMILES: CC1C(=C(C(=C1C)C)C)C

• CAS Min %: 94.0
• CAS Max %: 100.0
• Color: Colorless to Orange-Yellow
• Density: 0.8700g/mL
• Boiling Point: 58°C (13.0 mmHg)
• Flash Point: 44°C
• Infrared Spectrum: Authentic
• Assay Percent Range: 94% min. (GC)
• Packaging: Glass bottle
• Refractive Index: 1.4725 to 1.4755
• Quantity: 25 mL
• Specific Gravity: 0.87
• Formula Weight: 136.11
• Percent Purity: 95%
• Physical Form: Liquid
• Chemical Name or Material: 1,2,3,4,5-Pentamethylcyclopentadiene, 95%

Safety and Handling

Hazard Category	GHS Signal Word: Warning
Hazard Statement	GHS H Statement Flammable liquid and vapor.
Precautionary Statement	GHS P Statement Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
EINECSNumber	223-743-4
TSCA	TSCA

SDS

RUO – Research Use Only