5,6-Diamino-1,3-dimethyluracil
[CAS# 5440-00-6]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyrimidine compound >> Urinary (urea) pyrimidine
• Name: 5,6-Diamino-1,3-dimethyluracil
• Molecular Formula: C₆H₁₀N₄O₂
• Molecular Weight: 170.17
• CAS Registry Number: 5440-00-6
• EC Number: 226-621-9

Properties

• Solubility: Slightly soluble (8.5 g/L) (25 °C), Calc.^*
• Density: 1.350±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 278-281 °C^**
• Boiling point: 243.6±50.0 °C (760 Torr), Calc.^*
• Flash point: 101.1±30.1 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Bredereck, Hellmut

Safety Data

Hazard Classification

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