Introduction to the basic knowledge of hexamethylcyclotrisiloxane from ClentChemical's blog

English name: Hexamethylcyclotrisiloxane

Chinese name: Hexamethylcyclotrisiloxane

Chinese synonyms: hexamethylcyclotrisiloxane; hexamethylcyclotrisiloxane (D3); cyclotrimethicone; hexamethylcyclotrisiloxane;

CAS number 541-05-9

Molecular formula C6H18O3Si3

Molecular weight 222.46200

Physical and chemical properties of hexamethylcyclotrisiloxane:

The appearance of hexamethylcyclotrisiloxane is colorless to white crystalline powder;

Refractive index: 1.417

Flash point: 95 °F

Melting point: 50-64 °C(lit.)

Density: 1.02

Water solubility: may decompose

Boiling point: 134 °C(lit.)

Steam density: 1 (vs air)

Uses of hexamethylcyclotrisiloxane:

In addition to synthesizing general organosilicon polymers, it can also be used to prepare specific organosilicon compounds as various surface treatment agents, coupling agents, crosslinking agents, etc.

Storage method of hexamethylcyclotrisiloxane:

Store hexamethylcyclotrisiloxane in a cool, dry, and well-ventilated warehouse. Keep away from fire and heat sources. Prevent direct sunlight. The package is sealed. It should be stored separately from acids and edible chemicals, and avoid mixed storage. The storage area should be equipped with suitable materials to contain the leakage.

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