Content of D4: ≥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.
Hexamethylcyclotetrasiloxane(D4) is an organosilicon compound with the chemical formula [(CH₃)₂SiO]₄ . It is a compound formed by the cyclization of four silicone oxygens (Si-O) with two methyl (CH₃) groups attached to each silicon atom. Octamethylcyclotetrasiloxane is widely used in silicone resins, lubricants, cosmetics, detergents and other industrial products with good thermal and chemical stability.
| Octamethylcyclotetrasiloxane Basic information | |
| Product Name | Octamethylcyclotetrasiloxane |
| Synonyms | Cyclotetrasiloxane Octamethyl,Octamethyl Cyclotetrasiloxane |
| CAS | 556-67-2 |
| Molecular Formula | [(CH₃)₂SiO]₄ |
| Molecular Weight | 296.62 |
| EINECS | 209-136-7 |
| Octamethylcyclotetrasiloxane Chemical Properties | |
| Melting point | 17-18 °C (lit.) |
| Boiling point | 175-176 °C (lit.) |
| Density | 0.956 g/mL at 25 °C (lit.) |
| Storage temp | Store below +30°C. |
| Solubility | <0.001g/l Hydrolysis |
| Form | Liquid |
| Color | Colorless |
| Specific Gravity | 0.956 |
| Refractive Index | 1.3960-1.3970 |
| Water Solubility | Insoluble |
| Octamethylcyclotetrasiloxane Safety Information | |
| Hazard Codes | Xn |
| Risk Statements | 53-62-10 |
| Safety Statements | 36/37-46-51-61 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 1 |
| RTECS | GZ4397000 |
| Hazard Class | 3 |
| Packing Group | III |
Cosmetics: As moisturizers, lubricants and softeners, commonly found in skin care products, shampoos and conditioners.
Industrial lubricants: Used in lubricants and anti-wear additives to provide good lubricating properties.
Silicone Resin: Used as a raw material for silicone resin to enhance its thermal stability and chemical resistance.
Electronic materials: Used in insulating materials and coatings in electronic products.
Detergents: As solvents and cleaning ingredients, commonly found in household and industrial cleaners.
Due to its unique chemical structure, D4 plays an important role in improving product performance and stability.
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