Pharmaceutical Materials

CAS Number: 563-79-1

Molecular Formula: C6H12

Molecular Weight: 84.16

Appearance: Colorless gas or liquid

Boiling Point: 38.8°C

Density: 0.675 g/mL at 25°C

Usage: Used as a chemical intermediate in the production of plastics and synthetic rubber.

 

Attribute	Details
Name	2.3-Dimethyl-1-butene
CAS Number	563-79-1
Synonyms	Neohexene-1; 2.3-Dimethylbutene-1; 2.3-Dimethyl-1-butylene; (CH3)2C=CHCH(CH3)2
Molecular Formula	C6H12
Molecular Weight	84.16 g/mol
Appearance	Colorless liquid with a gasoline-like odor
Density	0.697 g/cm³ at 20°C
Melting Point	-136°C
Boiling Point	69-70°C
Flash Point	-37°C (closed cup)
Solubility	Soluble in organic solvents such as ether and benzene; slightly soluble in water
Refractive Index	1.3905 at 20°C
Chemical Properties	Reacts with halogen acids to form alkyl halides. Undergoes polymerization reactions.
Primary Uses	Used as a monomer in the production of polymers, particularly polyisobutylene. Also used as a chemical intermediate in the synthesis of other compounds.
Safety Hazards	Flammable. Vapors may cause irritation to eyes, nose, and throat. Ingestion may cause nausea and vomiting. Avoid contact with skin and eyes. Use in a well-ventilated area. Keep away from heat, sparks, and open flames.
Handling Precautions	Wear appropriate protective clothing, gloves, and eye/face protection when handling. Store in a cool, dry, well-ventilated place. Keep away from incompatible materials and ignition sources.

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