Content of D6: ≥99% Packing: PTFE Lined Iron Drum or Plastic Drum Net weight: 190kg/Drum Storage:Clean, dry, ventilated environment; Avoid exposure to rain andsunlight. Transportation: Dangerous goods under transport regulations.
Dodecamethylcyclohexasiloxane, abbreviated as D6, is a cyclic siloxane compound with the chemical formula [(CH₃)₂SiO]₆, which consists of six silicone-oxygen units (-Si-O-) connected to a cyclic structure by oxygen atoms, with two methyl groups (CH₃) connected to each silicon atom. atoms are connected to two methyl groups (CH₃).D6 is a colorless and transparent liquid at room temperature with good fluidity, free of mechanical impurities and free water. It has a low surface tension and high volatility, leaving no residue after evaporation, which enables it to provide a refreshing skin feel in cosmetics. In addition, D6 is highly compatible with cosmetic solvents such as alcohols and esters, making it safe and suitable for sensitive skin.
Dodecamethylcyclohexasiloxane is mainly synthesized from dimethyl dichlorosilane by hydrolysis, cracking, and distillation, and the production process requires strict control of free water and mechanical impurities to ensure purity. It is usually used as a component of “Dimethyl Cyclosiloxane Cyclic Mixture (DMC)”, and exists together with other cyclic siloxanes such as D3, D4 and D5. In terms of technical specifications, D6 has a chromaticity of ≤10 Hazen (colorless and transparent). It needs to be stored away from light and moisture to ensure product quality and stability.
| Dodecamethylcyclohexasiloxane Basic information | |
| Product Name | Dodecamethylcyclohexasiloxane |
| Synonyms | Cyclomethicone 6,Cyclohexasiloxane Dodecamethyl |
| CAS | 540-97-6 |
| Molecular Formula | [(CH₃)₂SiO]₆ |
| Molecular Weight | 444.92 |
| EINECS | 208-762-8 |
| Dodecamethylcyclohexasiloxane Chemical Properties | |
| Melting point | -3°C |
| Boiling point | 245 °C |
| Density | 0.959 g/cm3 |
| Storage temp | 2-8°C |
| Solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly) |
| Form | Liquid |
| Color | Colourless |
| Specific Gravity | 0.9672 |
| Odor | odorless |
| Refractive Index | 1.4015 |
| Decamethylcyclopentasiloxane Safety Information | |
| Hazard Codes | |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36/37/39 |
| RIDADR | UN 1993C 3 / PGIII |
| WGK Germany | 3 |
| RTECS | GW2328550 |
Personal Care & Cosmetics:
D6 is widely used in skin care products, sunscreens, color cosmetics, hair conditioners and other products as a volatile carrier and conditioning agent that enhances the smoothness of skin feel and promotes the absorption of active ingredients.
Industrial use:
Silicone intermediates: used in the production of silicone rubber, silicone oil and other materials, used in electronic and electrical appliances, automotive seals, building waterproof coatings and other fields.
Antifoam agent and lubricant: directly used in petrochemical, textile printing and dyeing industries to improve processing efficiency.
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