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D4-Octamethyl Cyclotetrasiloxane
Synonym: Octamethylcyclotetrasiloxane, D4
Cas no: 556-67-2
Appearance:Colorless transparent oily liquid
Structural Formula:(CH3)8Si4O4
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Introduction
| Synonym | Octamethyl Cyclotetrasiloxane, D4 |
| Cas no. | 556-67-2 |
| Appearance | Colorless transparent oily liquid |
| Structural Formula | (CH3)8Si4O4 |
Physical and Chemical Properties:
| Freezing Point | 17 ~18℃ |
| Boiling Point | 175- 176℃ |
| Flash Point | 60℃ |
| Relative Density (water=1) | 0.956 |
Technological Index:
| ITEM | INDEX |
| Chroma/ Platinum-Cobalt Scale/ Hzaen Unit≤ | 10 |
| Refractive Index nD20 | 1.3960-1.3970 |
| Content of Octamethyl cyclotetrasiloxane/ %≥ | 90.0 |
Properties and Uses:
1. It is colorless, inflammable , and can not dissolve in water, but dissolve in organic solvents such as benzene, etc.
2. It can be used to synthesize organic silicone polymer by acid or alkali catalysis to manufacture silicone oil, silicone rubber,etc.
3. It can also be used directly as treating agent for rubber stuffing and the raw material for cosmetic.
Package, Storage and Handling:
Steeldrum/plasticdrum, net weight 190kg/drum or International Bulk Container, netweight 950kg/IBC, 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 of fire equipment andleakage emergency equipment.
Handlingaccording to hazardous substances.
Be careful when loading and unloading to avoiddamages of the package.
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