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    Qingdao Hengda Chemical New Material Co., Ltd.

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    Room 2-302D, Hisense Wealth Valley, No. 88, Zhuzhou Road, Laoshan District, Qingdao, Shandong, China

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    Gaizhou Hengda Chemicals Co., Ltd.

    Shandong Hengda Silicon Material Technology Co., Ltd.

HENGDA-D4 - Octamethylcyclotetrasiloxane

  • Chemical Name:

    Octamethylcyclotetrasiloxane

  • CAS No.

    556-67-2

Typical Properties

Product NameOctamethyl cyclotetrasiloxane(D₄)
Molecular Formula(CH₃)₈Si₄O₄
CAS No.

556-67-2

Product Standard

GB/T 20435-2006

Physical and Chemical Properties

Freezing Point: 17~18°C

Boiling Point: 175-176°C

Flash Point: 60°C

Relative Density(water=1):0.956

AppearanceColorless transparent oily liquid


Features

Chemical Stability: Stable in closed contain-ers under specifed storage and handlingconditions.

Conditions to Avoid: Incompatible materi-als, any sources of ignition or heat,exposureto moist air or waterIncompatibilities with Other Materials:Strong oxidizing agents,acids,bases.Hazardous Decomposition Products: In caseof a fre, oxides of carbon, hydrocarbons,silicon oxide,fumes,and smoke may begenerated bythermal decomposition orcombustion.Hazardous Polymerization: May occur.


Usage

It is colorless,inflammable,and can not dissolve in water, but dissolve in organic solvents such as benzene, etc. It can be used to synthesize organic siliconpolymerby acid or alkali catalysis to manufacture silicone oil, silicone rubber, etc. It can also be used directly as treating agent for rubber stuffing and the raw material for cosmetic.


Storage

Steel drum/Plastic drum, net weight 190kg)drum or International Bulk Container, netweight 950kg/BC,or ISOTANK. Store in acool, dry, well-ventilated area and keep awayfrom oxidant, acid and alkali. The storage areashould be equipped with the correspondingspecies and quantity offire equipment andleakage emergencyequipment.Handlingaccording to hazardous substances. Becarefulwhen loading and unloading to avoiddamages of the package.

HENGDA-D4