KBM-573
Shin-Etsu Chemical Co., Ltd. · KBM
KBM-573 is a silane coupling agent, specifically N-Phenyl-3-aminopropyltrimethoxysilane. It is used to enhance performance in composite materials, thermoplastics, and thermosets. It improves filler dispersion, reduces viscosity, and increases the strength and adhesion of composites to various substrates. It is particularly effective in high-temperature and high-moisture environments, offering improved thermal stability and compatibility with organic components.
- Improved water resistance
- Suitable for various substrates
- High performance
- Good mechanical properties
- Good adhesion
- High stability
- Good weathering properties
Specifications
Identifiers
- Chemical name
- N-Phenyl-3-Aminopropyltrimethoxysilane
- CAS number(s)
- 3068-76-6
- EC number
- 221-328-2
- Molecular formula
- C12H21NO3Si
- InChI key
- KBJFYLLAMSZSOG-UHFFFAOYSA-N
- Synonyms
- Silane Coupling Agent, N-[3-(Trimethoxysilyl)propyl]aniline, (3-anilinopropyl)trimethoxysilane
Technical specifications
Properties
| Property | Value | Unit |
|---|---|---|
| Physical State | Liquid | - |
| Color | Light yellow, transparent | - |
| Odor | Slight odor | - |
| Boiling Point | 312 | °C |
| Flash Point | 165 (Open cup) | °C |
| Vapor Pressure | < 10 (at 25 °C) | mmHg |
| Vapor Density | 8.8 (Air = 1) | - |
| Specific Gravity | 1.07 (at 25 °C) | - |
| Evaporation Rate | < 1 (Butyl acetate = 1) | - |
| Solubility in Water | Not soluble (Hydrolyzed with water) | - |
Specifications
| Test Condition | Specification | Value | Unit | Test Method |
|---|---|---|---|---|
| - | Appearance | Colorless to light yellow, transparent | - | - |
| - | Molecular weight | 255.4 | g/mol | - |
| at 25 °C | Specific Gravity | 1.07 | - | - |
| at 760 mmHg | Boiling Point | 310 | °C | - |
| at 0.3 mmHg, low pressure | Boiling Point | 133 | °C | - |
| - | Flash Point | 165 | °C | - |
| at 25 °C | Refractive Index | 1.504 | - | - |
| - | Spreading Rate | 307 | m²/g | - |
- Industries
- Adhesives & SealantsCASECareCeramics & glassChemical ManufacturingElectronics & ElectricalPaints & CoatingsTextile & Leather
- Product groups
- Silanes & SiloxanesSilane Coupling AgentsSilicones
- Applications
- PolymersTextile treatment chemicalsPaints & coatings formulationsAdhesives & sealants formulationsOptical fibersGlass-reinforced compositesFiller surface treatment
- Functions
- DispersantAdhesion promoterViscosity controllerCoupling agentCuring agentAdditive
- Market segments
- Paints & coatings additivesGlass & opticsTextile processingSpecialty chemicalsAdhesivesElectronic components
Documents
- Request a copy
Technical Data Sheet (TDS)
Specifications & performance data
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Safety Data Sheet (SDS)
Safety information & handling