Pharmaceutical Materials

CAS Number: 3934-20-1

Molecular Formula: C4H2Cl2N2

Molecular Weight: 148.98 g/mol

Appearance: White solid

Melting Point: 57-61 °C

Boiling Point: 209.1 °C

Density: 1.493 g/cm3

Usage: Used in the production of pharmaceuticals like Ara-C hydrochloride.

 

Aspect	Details
Name	2.4-Dichloropyrimidine
CAS Number	3934-20-1
Chemical Formula	C₄H₂Cl₂N₂
Molecular Weight	148.98 g/mol
Physical Appearance	White crystalline solid
Melting Point	57–61°C
Boiling Point	209.11°C
Density	1.493 g/cm³
Solubility	Soluble in water (partly), methanol, chloroform, and ethyl acetate.
Reactivity	Acts as a versatile intermediate in organic synthesis; participates in Suzuki coupling, alkylation, and nucleophilic substitution reactions.
Applications	– Pharmaceuticals: Used in the synthesis of cytarabine hydrochloride.
	– Agrochemicals: Intermediate in pesticide production.
	– Material Science: Precursor for functionalized polymers and molecular architectures.
Safety Information	– Hazards: Irritant to skin, eyes, and respiratory system (R36/37/38).
	– Handling: Use PPE (gloves, goggles); avoid inhalation and ingestion.
Storage Conditions	Store in a sealed container in a cool, dry place away from moisture and light.

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