Pioglitazone EP impurity B
[CAS 136401-69-9]

Identification

• Name: Pioglitazone EP impurity B
• Synonyms: (5Z)-5-[[4-[2-(5-ethylpyridin-2-yl)ethoxy]phenyl]methylidene]-1,3-thiazolidine-2,4-dione
• Molecular Formula: C₁₉H₁₈N₂O₃S
• Molecular Weight: 354.42
• CAS Registry Number: 136401-69-9
• EC Number: 603-959-9
• SMILES: CCC1=CN=C(C=C1)CCOC2=CC=C(C=C2)/C=C3/C(=O)NC(=O)S3

Properties

• Solubility: 56.99 mg/L (25 °C water)
• Density: 1.3±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.653, Calc.^*
• Melting point: 273.99 °C

^* 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

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302