Pharmaceutical Materials

CAS Number: 1003-31-2

Molecular Formula: C5H3NS

Molecular Weight: 109.15 g/mol

Appearance: Clear colorless to yellow liquid

Melting Point: 125-134 °C (decomp)

Boiling Point: 192 °C

Density: 1.172 g/mL at 25 °C

Usage: Used as an intermediate in synthesis.

 

Aspect	Details
Name	2-Thiophenecarbonitrile
CAS Number	882-07-3
Chemical Formula	C₅H₃NS
Molecular Weight	109.15 g/mol
Physical Appearance	Colorless to pale yellow crystalline solid or liquid (depending on purity)
Melting Point	27-30°C (sublimes)
Boiling Point	222-224°C
Density	1.22 g/cm³
Reactivity	Moderately reactive; undergoes nucleophilic addition and substitution reactions.
Solubility	Soluble in organic solvents (e.g., ethanol, ether, chloroform); insoluble in water.
Applications	– Key intermediate in organic synthesis for pharmaceuticals, agrochemicals, and specialty chemicals.
	– Used in the preparation of thiophene-based polymers, dyes, and fluorescent probes.
Safety Information	– Toxic if ingested or inhaled; causes skin and eye irritation.
	– Handle with appropriate PPE in a well-ventilated area.
Storage Conditions	Store in a cool, dry, and tightly sealed container away from light and heat.

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