


CasNo: 27306-78-1
MF: (C2H4O)n·C11H30O3Si3
Appearance: liquid
Delivery Time: 15 days
Packing: 200kg/drum
Purity: 98%
| Item | Specification | Details |
|---|---|---|
| Product Code | H-8077 | Internal identification code for production management and inventory differentiation |
| Chemical Name | Polyether-modified Heptamethyltrisiloxane | Core component determining product performance |
| CAS Number | 27306-78-1 | Unique chemical identification code for global retrieval and authentication |
| English Synonyms | Glycols, polyethylene, methyl 3-(1,3,3,3-tetramethyl-1-(trimethylsiloxy)disiloxanyl)propyl ether; Silwet L-77 | Common international naming conventions |
| Molecular Formula | (C₂H₄O)ₙC₁₁H₃₀O₃Si₃ | Chemical structure basis for performance |
| Molecular Weight | 338.66 | Influences physical properties such as viscosity |
| Property | Index | Performance Significance |
|---|---|---|
| Appearance | Turbid liquid (slight yellowish to yellowish) | Typical form of polyether-modified silicone products |
| Density | 0.95-1.035 g/mL (25±1)℃ | Ensures compatibility with aqueous systems during formulation |
| Viscosity | 500-10000 mPa·s (25±0.2)℃, rotational viscometer method | Balances sprayability and adhesion |
| Melting Point | -14 °C | Suitable for low-temperature application environments |
| Boiling Point | 200 °C (13mmHg) | Ensures thermal stability during storage and use |
| Flash Point | >80 °C (up to >100 °C for some specifications) | High safety, low flammability risk |
| Refractive Index | n₂₀/D 1.455 | Reflects molecular structure regularity |
| Hydrolysis Sensitivity | Stable aqueous solutions | Maintains performance in water-based formulations |
| Active Substance Content | 100% | Guarantees effective component concentration and efficacy |