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.
While silicone oils offer a remarkable combinat
The raw material of polyvinylidene fluoride (PVD
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