Risperidone EP Impurity B
[CAS# 132961-05-8]

Identification

• Name: Risperidone EP Impurity B
• Synonyms: 3-[2-[4-[(Z)-C-(2,4-difluorophenyl)-N-hydroxycarbonimidoyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one
• Molecular Formula: C₂₃H₂₈F₂N₄O₂
• Molecular Weight: 430.49
• CAS Registry Number: 132961-05-8
• EC Number: 603-689-1
• SMILES: CC1=C(C(=O)N2CCCCC2=N1)CCN3CCC(CC3)/C(=N/O)/C4=C(C=C(C=C4)F)F

Properties

• Solubility: 1.034 mg/L (25 °C water)
• Density: 1.3±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.631, Calc.^*
• Melting point: 244.51 °C
• Boiling Point: 568.31 °C, 569.0±60.0 °C (760 mmHg), Calc.^*
• Flash Point: 297.9±32.9 °C, Calc.^*

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

Safety Data

• Hazard Symbols: GHS06 Danger

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	3	H301
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin sensitization	Skin Sens.	1	H317
Skin sensitization	Skin Sens.	1B	H317