Dimethylsiloxane Cyclic Mixture CAS 616-38-6

DMC Dimethylsiloxane Cyclic Mixture

Chemical Name: Dimethylsiloxane Cyclic Mixture
Product Category: Silicone IntermediateProduct
Structural Formula: 616-38-6
CAS No.: 616-38-6
EINECS: 210-478-4
Molecular Formula: C3H6O3
Molecular Weight: 90.03170

Dimethylsiloxane Cyclic Mixture Description

Dimethylsiloxane Cyclic Mixture (DMC), CAS 616-38-6 is a colorless, transparent liquid or milky white oily liquid. It is a flammable, odorless compound, insoluble in water, and soluble in organic solvents like benzene. DMC is widely used in the production of silicone oil, silicone rubber, and silicone polymers under acid and alkali catalysis. It also serves as a methylation reagent, offering lower toxicity and biodegradability compared to alternatives like iodomethane and dimethyl sulfate.

Equivalent Chemical Name Methylcarbonate ((meo)2co); Dimethyl carbonate; Carbonic acid dimethyl ester; Methyl carbonate; Dimetyl carbonate; DimethyL carbonate, 99+%, anhydrous; Dimethyl carbonate, reagentplus, 99%; Dimethylcarbonateforsynthesis
Physical Properties Colorless transparent liquid, molecular weight is 90.1.
Chemical Properties Stable. Highly flammable. Incompatible with strong oxidizing agents, potassium t-butoxide.
Density(20C;g/cm3) 1.069
Refractive index 1.361
Flash Point * (°C) 65
Boiling Point (°C) 90
Melting point 2-4 °C (lit.)
Sensitive Moisture Sensitive
Storage temp Store below +30°C
Benefits NA
Uses
  • Used in chemical synthesis of methylating agent and carbonylating agent, widely used in food antioxidants, plant protection agents and other fields.
Hazardous
  • YES
Transportation & Safety info
  • UN No.: UN 1161
  • Transport hazard class(es) : 3
  • Packing group: II
Packaging
  • Our standard packing is net 25kg / 200 kg drums / 1000kg/IBC,or according to your requirements.
Sample
  • Provided for free
Inventory items
  • 9 tons.
Price

Packaging Specifications

Packaging Specifications

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Dimethylsiloxane Cyclic Mixture: Guide

Dimethylsiloxane Cyclic Mixture (CAS 616-38-6) is a primary form of dimethylsiloxane, an organic-inorganic compound synthesized by hydrolysis of dimethyl dichlorosilane. The molecular structure of this mixture features silicone-oxygen (Si-O) bonds as the main chain, with organic groups attached to silicon atoms. The cyclic forms of dimethylsiloxane primarily include hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6), comprising over 50% of the mixture. This colorless, transparent or milky white liquid is flammable, odorless, insoluble in water, and soluble in organic solvents like benzene.

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