Palbociclib Impurity A
[CAS# 1082876-26-3]

Identification

• Name: Palbociclib Impurity A
• Synonyms: 5-piperazin-1-ylpyridin-2-amine
• Molecular Formula: C₉H₁₄N₄
• Molecular Weight: 178.23
• CAS Registry Number: 1082876-26-3
• EC Number: 819-282-9
• SMILES: C1CN(CCN1)C2=CN=C(C=C2)N

Properties

• Density: 1.2±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.596, Calc.^*
• Boiling Point: 401.7±40.0 °C (760 mmHg), Calc.^*
• Flash Point: 196.7±27.3 °C, Calc.^*

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

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H315-H319-H335
• Safety Statements: P261-P264-P264+P265-P270-P271-P280-P301+P317-P302+P352-P304+P340-P305+P351+P338-P319-P321-P330-P332+P317-P337+P317-P362+P364-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302