(Z)-1,2-Diphenylethene
[CAS# 645-49-8]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
• Name: (Z)-1,2-Diphenylethene
• Synonyms: Isostilbene; cis-1,2-Diphenylethene; cis-1,2-Diphenylethylene; cis-Diphenylethene; cis-Stilbene
• Molecular Formula: C₁₄H₁₂
• Molecular Weight: 180.25
• CAS Registry Number: 645-49-8
• EC Number: 211-445-7

Properties

• Solubility: Practically insoluble (0.017 g/L) (25 ºC), Calc.^*
• Density: 1.023 g/cm³ (13 ºC)^**
• Melting point: 123-124 ºC (ethanol )^***
• Boiling point: 148-151 ºC (20 Torr)^****
• Refractive index: 1.6270 (589.3 nm 20 ºC)^*****
• Flash point: 128.5±9.7 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Bourguel, M.; Bulletin de la Societe Chimique de France 1929, V45, P1067-91.

^*** DeTar, DeLos F.; Journal of the American Chemical Society 1955, V77, P4410-11.

^**** Buss, Antony D.; Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) 1983, (9), P2215-18.

^***** Wright, George F.; Canadian Journal of Chemistry 1952, V30, P268-77.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/38
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315