3-Glycidoxypropyltrimethoxysilane
Silane Coupling Agents KH-560 Physicochemical Properties Molecular Structure Uses Application Handling and Storage Fire-fighting measures Toxicological Information- Product Name
- 3-Glycidoxypropyltrimethoxysilane
- CAS No.
- 2530-83-8
- Chemical Name
- 3-Glycidoxypropyltrimethoxysilane
- Synonyms
- GLYMO;3-GLYCIDYLOXYPROPYLTRIMETHOXYSILANE;Glycidyloxypropyltrimethoxysilane;3-(2,3-EPOXYPROPOXY)PROPYLTRIMETHOXYSILANE;Silane coupling agent KH-560;γ-Glycidoxypropyltrimethoxysilane;GOPTS;A 187;Silane coupler KH-560;(GLYCIDOXYPROPYL)TRIMETHOXYSILANE
- CBNumber
- CB2194134
- Molecular Formula
- C9H20O5Si
- Formula Weight
- 236.34
- MOL File
- 2530-83-8.mol
3-Glycidoxypropyltrimethoxysilane Property
- Melting point:
- -50°C
- Boiling point:
- 120 °C2 mm Hg(lit.)
- Density
- 1.070 g/mL at 20 °C
- vapor pressure
- 0-12790Pa at 20-25℃
- refractive index
- n20/D 1.429(lit.)
- Flash point:
- >230 °F
- storage temp.
- Store below +30°C.
- solubility
- Acetonitrile (Slightly), Chloroform
- form
- Liquid
- color
- Clear
- Specific Gravity
- 1.07
- Water Solubility
- Miscible with alcohols, ketones and aliphatic or aromatic hydrocarbons. Immiscible with water.
- Hydrolytic Sensitivity
- 7: reacts slowly with moisture/water
- Sensitive
- Moisture Sensitive
- BRN
- 4308125
- Stability:
- Moisture Sensitive
- InChIKey
- BPSIOYPQMFLKFR-UHFFFAOYSA-N
- LogP
- -2.6-0.5 at 20℃
- CAS DataBase Reference
- 2530-83-8(CAS DataBase Reference)
- NIST Chemistry Reference
- 3-Glycidoxypropyltrimethoxysilane(2530-83-8)
- EPA Substance Registry System
- 3-(Trimethoxysilyl)propyl glycidyl ether (2530-83-8)
Safety
- Hazard Codes
- Xn,Xi
- Risk Statements
- 36/38-21-52-41
- Safety Statements
- 28A-26-36/37/39-24/25
- WGK Germany
- 2
- RTECS
- VV4025000
- F
- 10-21
- Autoignition Temperature
- 400°C
- TSCA
- Yes
- PackingGroup
- III
- HS Code
- 29310095
- Toxicity
- LD50 oral in rat: 22600uL/kg
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects
- Precautionary statements
-
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 440167
- Product name
- (3-Glycidyloxypropyl)trimethoxysilane
- Purity
- ≥98%
- Packaging
- 100ml
- Price
- $68.4
- Updated
- 2025/07/31
- Product number
- 440167
- Product name
- (3-Glycidyloxypropyl)trimethoxysilane
- Purity
- ≥98%
- Packaging
- 1l
- Price
- $372
- Updated
- 2025/07/31
- Product number
- G0210
- Product name
- 3-Glycidyloxypropyltrimethoxysilane
- Purity
- >97.0%(GC)
- Packaging
- 25g
- Price
- $22
- Updated
- 2025/07/31
- Product number
- G0210
- Product name
- 3-Glycidyloxypropyltrimethoxysilane
- Purity
- >97.0%(GC)
- Packaging
- 100g
- Price
- $46
- Updated
- 2025/07/31
- Product number
- 440167
- Product name
- (3-Glycidyloxypropyl)trimethoxysilane
- Purity
- ≥98%
- Packaging
- 500ml
- Price
- $207.1
- Updated
- 2025/07/31
3-Glycidoxypropyltrimethoxysilane Chemical Properties,Usage,Production
Silane Coupling Agents KH-560
KH-560 is the first widely used coupling agent and has been used for 40 years. One end of its structure with reactive groups such as amino and vinyl, can react with epoxy, phenolic, polyester and other synthetic resin molecules. The other end is alkoxy (such as methoxy, ethoxy etc.) or chlorine atoms which is connected with silicon. These groups can be transformed into silanol in the hydrolysis in water solution or damp air. And the formed silanol is able to react with surface hydroxyl of glass, minerals and inorganic filler. Therefore, silane coupling agent is commonly used in silicate-filled epoxy, phenolic, polyester resin and other systems. In addition, it can also be used for FRP production, in order to improve its mechanical strength and resistance to wet environment. The organic groups of the silane coupling agent are selective about the reaction of the synthetic resin. Generally, these organic groups lack sufficient reactivity with synthetic resins such as polyethylene, polypropylene and polystyrene, and thus the coupling effect for them is poor. In recent years, new varieties of silane coupling agents with better coupling for polyolefins have been developed, but are limited in cost and other properties and are not yet widely used.
Silane coupling agent is also known as silane treatment agent. Its general formula is Y (CH2) nSiX3. Wherein n is an integer of 0 to 3; X is a hydrolyzable group such as chlorine, methoxy, ethoxy and acetoxy; Y is an organic functional group such as a vinyl, an amino, an epoxy group, a methacryloyloxy group and sulfydryl.
Physicochemical Properties
Colorless transparent liquid;
Soluble in a variety of organic solvents;
Easy to hydrolysis;
Able for condensation to form polysiloxanes;
Easy to polymerize in the presence of overheating, light and peroxide.
Molecular Structure
Fig: Molecular structure
Uses
3-Glycidoxypropyltrimethoxysilane is an epoxy-functional silane, it is a clear, light straw liquid. 3-Glycidoxypropyltrimethoxysilane may be used as a coupling agent in polysulfide and polyurethane caulks and sealants, in mineral-filled or glass-reinforced thermosets and thermoplastics, and in glass roving size-binders. It is particularly employed as an adhesion-promoting additive in waterborne systems, e.g. improving the adhesion of acrylic latex sealants.
Applications:
- 3-Glycidoxypropyltrimethoxysilane may improve dry and wet strength in cured composites reinforced with glass fiber rovings
- Enhance wet electrical properties of epoxy-based encapsulate and packaging materials.
- Eliminate the need for a separate primer in polysulfide and urethane sealants.
- Improve adhesion in waterborne acrylic sealants and in urethane and epoxy coatings.
Application
- It is mainly used in unsaturated polyester composites to improve the mechanical properties, electrical properties and light transmission properties of the composites, especially to improve their performance in wet environment.
- In wire and cable industry, when used to treat EPDM system stuffed by pottery clay and crosslinked by peroxide, it can improve consumption factor and specific inductance captance.
- Used for its copolymerization with monomers like vinyl acetate and acrylic acid or methacrylic, to form the polymers widely used in coatings, adhesives and sealants, providing excellent adhesion and durability.
Handling and Storage
- Handling
- Storage
Fire-fighting measures
Flammable properties
Flash point: 135 °C (275 °F)-closed cup
Ignition temperature: 400 °C (752 °F)
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special protective equipment for fire-fighters
Wear self-contained breathing apparatus for fire-fighting if necessary.
Toxicological Information
Acute toxicity: LD50 Oral-rat-8,030 mg/kg
LD50 Dermal-rabbit-4,248 mg/kg
Irritation and corrosion:
Eyes-rabbit-Mild eye irritation
Chemical Properties
Colorless transparent liquid
Uses
Pre-treatment of carbon steel with 3-(Glycidoxypropyl)trimet?hoxysilane enhances the dry and wet adhesion while reducing the cathotic disbondment rate of an epoxy coating
Uses
(3-Glycidoxypropyl)trimethoxysilane is used in the production of carbon steel and its pre treatment favors the dry and wet adhesion of epoxy coating. It is also used to prepare epoxy-functionalized silica nanoparticles, which gives a reactive surface for one-step and high-density protein immobilization. It serves as a coupling agent and adhesion promoter.
General Description
(3-Glycidyloxypropyl)trimethoxysilane (GPTMS) is a bifunctional organosilane with three methoxy groups on one side and an epoxy ring on the other. The methoxy groups bind well with glass substrates creating a 3D matrix. The epoxy group is reactive with amides, alcohols, thiols and acids. GPTMS is highly reactive in water and can be used as a linking agent between the surface of the silica and the polymeric matrix.
Flammability and Explosibility
Not classified
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View Lastest Price from 3-Glycidoxypropyltrimethoxysilane manufacturers
- Product
- 3-Glycidoxypropyltrimethoxysilane 2530-83-8
- Price
- US $0.00-0.00/kg
- Min. Order
- 0.0001kg
- Purity
- 99.99%
- Supply Ability
- 2000000kg
- Release date
- 2025-06-17
- Product
- 3-Glycidoxypropyltrimethoxysilane 2530-83-8
- Price
- US $1.00/kg
- Min. Order
- 1kg
- Purity
- 98.0% Min, 99%min
- Supply Ability
- 50mt per month
- Release date
- 2025-06-13
- Product
- 3-Glycidoxypropyltrimethoxysilane 2530-83-8
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 30tons/month
- Release date
- 2023-01-11