Azelastine EP Impurity E (Z-Isomer)
[CAS# 105279-16-1]

Identification

• Name: Azelastine EP Impurity E (Z-Isomer)
• Synonyms: 3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one
• Molecular Formula: C₁₅H₉ClO₂
• Molecular Weight: 256.68
• CAS Registry Number: 105279-16-1
• EC Number: 243-862-5
• SMILES: C1=CC=C2C(=C1)/C(=C/C3=CC=C(C=C3)Cl)/OC2=O

Properties

• Solubility: 27.17 mg/L (25 °C water)
• Density: 1.4±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.691, Calc.^*
• Melting point: 138.37 °C
• Boiling Point: 399.95 °C, 408.9±45.0 °C (760 mmHg), Calc.^*
• Flash Point: 220.4±24.2 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302+H312+H332-H315-H319
• Safety Statements: P261-P271-P280-P302+P352-P305+P351+P338