1,1-Di(o-tolyl)ethylene CAS 2919-19-9

Purity 97%+In StockPharmaceutical Standards
CAS No.2919-19-9
Molecular FormulaC16H16
Molecular Weight208.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1-Di(o-tolyl)ethylene CAS 2919-19-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 208.30 g/mol gives 1,1-Di(o-tolyl)ethylene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,1-Di(o-tolyl)ethylene (CAS 2919-19-9), molecular formula C16H16 and molecular weight 208.30 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H16, 1,1-Di(o-tolyl)ethylene contains a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC16H16
Molecular Weight208.30 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

Recommended Standards

Why CATO?