Pharmaceutical Materials

CAS Number: 80-47-7

Molecular Formula: C10H20O2

Molecular Weight: 172.26 g/mol

Appearance: Colorless to slightly yellow viscous liquid

Melting Point: -4°C (approx.)

Boiling Point: 213°C/255.8°C (at 760 mmHg)

Flash Point: 53°C

Usage: Widely used as a polymerization initiator for styrene and its copolymers.

 

Category	Information
Basic Information
Name	p-Menthane hydroperoxide
CAS Number	80-47-7
Other Names	Peroxide, p-menthane; 8-p-Menthyl hydroperoxide; Peroxide, (1-methyl-4-(1-methylethyl)cyclohexyl); P-Menthane-8-hydroperoxide; P-menth-8-yl hydroperoxide
Chemical Formula	C10H20O2
Molecular Weight	172.26 g/mol
Physical Properties
Physical State	Colorless to pale yellow liquid
Odor	Characteristic, mild
Density	Approximately 0.92 g/mL
Boiling Point	Approximately 242.6°C
Refractive Index	Approximately 1.4210
Flash Point	Not determined (due to its peroxide nature, it may be flammable)
Solubility	Soluble in organic solvents, miscible with water (limited solubility)
Chemical Characteristics
Chemical Reactivity	Reactive; strong oxidizing agent; incompatible with reducing agents, acids, and other oxidizing materials
Stability	Stable under normal storage conditions; however, it can decompose explosively if heated or exposed to sparks or flames
Applications
Industrial Use	Used as a catalyst in rubber and polymerization reactions; as an initiator in organic synthesis reactions
Safety Information
Risk Statements	H242 (Heating may cause a fire or explosion); H314 (Causes severe skin burns and eye damage); H332 (Harmful if inhaled)
Safety Statements	P210 (Keep away from heat, sparks, and open flames. – No smoking); P220 (Keep/Store away from clothing/combustible materials); P234 (Keep only in the original container); P280 (Wear protective gloves/protective clothing/eye protection/face protection); P370+P378 (In case of fire: Use … to extinguish); P403+P235 (Store in a well-ventilated place. Keep cool); and many more
Storage Conditions	Store in a cool, dry place away from heat, sparks, and open flames. Keep the container tightly closed and in a well-ventilated area. Store in accordance with local regulations for peroxides.

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