2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine
[CAS# 32980-71-5]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyrimidine compound >> Chloropyrimidine
• Name: 2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine
• Synonyms: NSC 96654; Tetrachloropyrimido[5,4-d]pyrimidine
• Molecular Formula: C₆Cl₄N₄
• Molecular Weight: 269.90
• CAS Registry Number: 32980-71-5
• EC Number: 251-318-3

Properties

• Solubility: Slightly soluble (2.3 g/L) (25 °C), Calc.^*
• Density: 1.871±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 254-258 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Fischer, Franz Gottwalt

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315