N-Octadecyldimethyl{3-(trimethoxysilyl)propyl}ammonium chloride
dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride
CAS: 27668-52-6
Molecular Formula: C26H58ClNO3Si
N-Octadecyldimethyl{3-(trimethoxysilyl)propyl}ammonium chloride - Names and Identifiers
N-Octadecyldimethyl{3-(trimethoxysilyl)propyl}ammonium chloride - Physico-chemical Properties
| Molecular Formula | C26H58ClNO3Si |
| Molar Mass | 496.28 |
| Density | 0.89g/mLat 20°C(lit.) |
| Boling Point | 22.3 °C |
| Flash Point | 93°F |
| Water Solubility | reacts |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Solution |
| Specific Gravity | 0.89 |
| Color | Clear yellow |
| Storage Condition | Flammables area |
| Sensitive | 7: reacts slowly with moisture/water |
| Refractive Index | n20/D 1.3889 |
N-Octadecyldimethyl{3-(trimethoxysilyl)propyl}ammonium chloride - Risk and Safety
| Risk Codes | R11 - Highly Flammable R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/38 - Irritating to eyes and skin. R39/23/24/25 - R36/37/38 - Irritating to eyes, respiratory system and skin. R10 - Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36 - Irritating to the eyes |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S7 - Keep container tightly closed. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1992 3/PG 2 |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 29319090 |
| Hazard Class | 3.1 |
| Packing Group | II |
N-Octadecyldimethyl{3-(trimethoxysilyl)propyl}ammonium chloride - Reference Information
| LogP | 4.9 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Dimethyldecadecyl [3-(trimethoxysilyl) propyl] ammonium chloride is a silicone quaternary ammonium salt. Quaternary ammonium salt can absorb bacteria with negative charge and has good bactericidal effect. Dimethyldecadecyl [3-(trimethoxysilyl) propyl] ammonium chloride can be used in cotton, nylon, polyester and other fiber products processing, has a wide range of uses. Recently, it has also been used in non-woven fabrics, foamed polyurethane, synthetic leather and other materials. |
| preparation | 1) weigh γ-chloropropyl trimethoxysilane (2.782kg, 14 mol) and add it to the 150 liter reactor with condensation and reflux device. after the reactor is sealed, the reactor heating mechanism is opened, and the reactor is heated to 40-50 ℃ at a stirring speed of 40-80 r/min, start to drop decadecyl dimethyl tertiary amine (2.976kg, 10 mol) into the reaction kettle for 3 hours; when the temperature is raised to 140 ℃, keep a constant temperature, and react in a closed and mixed solvent reflux state for 36 hours to obtain a silicone quaternary ammonium salt product solution. When the conversion rate of silicone quaternary ammonium salt is determined to be 93% by nuclear magnetic resonance method, the reaction heating is stopped; 2) When the solution in the reaction kettle drops to normal temperature, use hydrochloric acid to adjust the pH of organic silicon quaternary ammonium salt in the kettle to 5.5-6.5, stir homogenously for 5-10min, then filter and decolorize with 600-800 mesh diatomite to remove impurities to obtain dimethyldecadecyl [3-(trimethoxysilyl) propyl] ammonium chloride. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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