Paliperidone Impurity 5
[CAS# 181525-38-2]

Identification

• Name: Paliperidone Impurity 5
• Synonyms: 9-hydroxy-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
• Molecular Formula: C₁₁H₁₂N₂O₃
• Molecular Weight: 220.22
• CAS Registry Number: 181525-38-2
• EC Number: 605-935-3
• SMILES: CC1=C(C(=O)N2C=CC=C(C2=N1)O)CCO

Properties

• Solubility: 2552 mg/L (25 °C water)
• Density: 1.4±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.642, Calc.^*
• Melting point: 181.32 °C
• Boiling Point: 433.04 °C, 437.4±55.0 °C (760 mmHg), Calc.^*
• Flash Point: 218.3±31.5 °C, Calc.^*

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

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Germ cell mutagenicity	Muta.	2	H341
Acute toxicity	Acute Tox.	4	H302