3-isocyanotopropyltrimethoxysilane
3-(trimethoxysilyl)propyl isocyanate
CAS: 15396-00-6
Molecular Formula: C7H15NO4Si
3-isocyanotopropyltrimethoxysilane - Names and Identifiers
3-isocyanotopropyltrimethoxysilane - Physico-chemical Properties
| Molecular Formula | C7H15NO4Si |
| Molar Mass | 205.28 |
| Density | 1,084 g/cm3 |
| Boling Point | 95-98°C 10mm |
| Flash Point | 108°C |
| Water Solubility | 1000g/L at 20℃ |
| Vapor Presure | 0-12790Pa at 20-25℃ |
| Appearance | Colorless transparent liquid |
| Specific Gravity | 1.073 |
| Color | Colorless to Almost colorless |
| Storage Condition | Room Temprature |
| Sensitive | 7: reacts slowly with moisture/water |
| Refractive Index | 1.421 |
| Physical and Chemical Properties | colorless to light yellow liquid |
| Use | The product is a silane with isocyanate functional groups, which is used as a cross-linking agent and an adhesion promoter in adhesives and sealants. Can be adhered to a variety of substrates, common and uncommon; Superior wet adhesion properties on glass, metal and other inorganic substrates; Can also be better adhered to difficult to adhere to the substrate, such as nylon and other plastic products. It can be rapidly hydrolyzed in the presence of atmospheric humidity and has very good thermal, chemical and UV stability. Suitable polymers: acrylic, silicone (Si), PU-prepolymer, etc. |
3-isocyanotopropyltrimethoxysilane - Risk and Safety
| Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R26 - Very Toxic by inhalation R34 - Causes burns R42 - May cause sensitization by inhalation |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | 2927 |
| HS Code | 29319090 |
| Hazard Class | 6.1/8 |
| Packing Group | II |
3-isocyanotopropyltrimethoxysilane - Reference Information
| LogP | -4--0.82 at 20℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Application | 3-isocyanatylpropyltrimethoxysilane is a silane with isocyanate functional groups. The product is used as a crosslinking agent and adhesion promoter in adhesives and sealants. Can adhere to various substrates, common and uncommon; outstanding wet adhesion properties on glass, metal and other inorganic substrates; also can better adhere to difficult-to-adhere substrates, such as nylon and other plastic products. It can be rapidly hydrolyzed in the presence of atmospheric humidity, and has very good thermal stability, chemical stability and UV stability. |
| preparation method | preparation method of isocyanate propyl trimethoxysilane: specifically including the following steps: 1) putting 3-aminopropyl trimethoxysilane, dried urea, dimethyl sulfoxide and a small amount of trimethyl orthoacetate into the reactor; 2) heating to the system to 65~95 ℃ under stirring conditions, in the vacuum -0.08 ~-0.09MPa reaction ammonia gas, reaction for 6~10 hours, until the reaction system no obvious bubbles come out of the vacuum stop, get; Ureteryl silane and solvent and other substances mixture; 3) Add a small amount of catalyst to the reaction system, and mix and dilute the concentrated sulfuric acid with 98% content with dimethyl sulfoxide according to the mass ratio of 1:0.5~0.8 to obtain the mixed diluent, the mixed diluent is slowly added dropwise to the system for stirring reaction, the reaction temperature is controlled at 75-95 ℃, and the dropwise time is controlled at 4-6h; 3-isocyanate propyl trimethoxysilane products. |
Last Update：2024-04-10 22:29:15
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Product Name: 3-(trimethoxysilyl)propyl isocyanate Request for quotationCAS: 15396-00-6
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Spot supply
Product Name: 3-Isocyanatopropyltrimethoxysilane Request for quotationCAS: 15396-00-6
Tel: +86 19849939632
Email: 2470479589@qq.com
Mobile: +86 19849939632
QQ: 2470479589
Wechat: +86 19849939632
Spot supply
Product Name: 3-Isocyanatopropyltrimethoxysilane Visit Supplier Webpage Request for quotationCAS: 15396-00-6
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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