Dimethylcyclosiloxane
69430-24-6
| Product Name | Dimethylcyclosiloxane (DMC) |
| Molecular Formula | [(CH₃)₂SiO]n,n=3~7 |
| CAS NO. | 69430-24-6 |
| Product Standard | GB/T 20436-2006 |
| Physical and Chemical Properties | Flash Point: 55°C Relative Density(water=1): 0.956 |
| Appearance | Colorless transparent oilyliquid |
| Chroma/ Platinum-cobalt scale/ Hazen unit≤ | 10 |
| Refractive index nD²⁰ | 1.3960~1.3970 |
| Content of Dimethylsiloxane cyclics mixture/%≥ | 99.80 |
| Content of Hexamethyldisiloxane/% ≤ | 0.005 |
| Acidity (According to HCl) /%≤ | 0.001 |
Chemical Stability: Stable in closed contain-ers under specifed storage and handlingconditions.Conditions to Avoid:Incompatible materi-als, any sources ofignition or heat,exposure to moist air or water.Incompatibilities 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 by thermal decomposition orcombustion.
Hazardous Polymerization: May occur.
It is colorless,inflammable,and can notdissolve in water, but dissolve in organicsolvents such as benzene, etc. It can be usedto synthesize organic silicon polymer byacid or alkali catalysis to manufacturesilicone oil, silicone rubber, etc.
Steel drum,net weight 190kg/drum orInternational Bulk Container, net weight950kg/1BC or ISO TANK. Store in a cool,dry, well-ventilated area and keep awayfrom oxidant, acid and alkali. The storagearea should be equipped with thecorresponding species and quantity of fireequipmentand leakageemergencyequipment.Handling accordingtOhazardous substances.Be careful whenloading and unloading to avoid damages ofthe package.
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