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KH-550 (CAS 919-30-2)

Chemical Name:3-Aminopropyltriethoxysilane
Molecular Formula:C9H23NO3Si
Structural Formula: silane coupling agent
Molecular Weight:221.37
CAS No.:919-30-2(A-1100, KBE-903, OFS-6011, AMEO)

Physical Properties of 3-Aminopropyltriethoxysilane:

Physical Form:Transparent liquid
Color:Clear, colorless
Specific Gravity at 25/25°C:0.9420
Boiling Point, °C: 217
Refractive Index, nD 25°C:1.420-1.422
Flash Point, Pensky-Martens Closed Cup (1), °C: 96


3-Aminopropyltriethoxysilane (CAS NO.919-30-2)(A-1100, KBE-903, OFS-6011, AMEO) can be used for coupling organic polymer and inorganic fillers and reinforcing the bond to improve the mechanical, electrical, water-resistant, and anti-aging properties of the materials. When used in thermoplastic and thermosetting resin such as phenol aldehyde, polyester, epoxy, PBT, polyamide and carbonate, this product can greatly improve dry and wet bending strength, compression strength, shear strength and other physical mechanical properties as well as wet electric properties. 3-Aminopropyltriethoxysilane also improves the wetting property and dispersion of stuffing into polymer. When used in the sand casting of resin, it is capable of strengthening adhesion and improving profile sand strength and antiwetting property. When added into phenol aldehyde in the production of glass fiber cotton and mineral cotton, this product can improve moisture proof property and strengthen compression elastic resilience. It is also an excellent adhesion improver used in polyamide, epoxy, nitrile, phenol aldehyde adhesive and sealed material. 3-Aminopropyltriethoxysilane improves the dispersion of pigment and the adhesion to glass, aluminum and iron. Furthermore, it can be used to produce amino silicone oil and latex.

Packaging and Storage

3-Aminopropyltriethoxysilane is packed in 25KG/200KG drum, IBC tank or ISO tank.
It is sealed and stored in cool and well ventilated place away from fire and water.


The information provided herein was believed by Jiangsu Chenguang Silane Co., Ltd. to be accurate at the time of preparation or prepared from sources believed to be reliable, but it is the responsibility of the user to investigate and understand other pertinent sources of information, to comply with all laws and procedures applicable to the safe handling and use of 3-Aminopropyltriethoxysilane, and to determine the suitability of the product for user's intended application or use. All products supplied by Chenguang are subject to Chenguang's standard terms and conditions of sale. CHENGUANG MAKES NO WARRANTY, EXPRESS OR IMPLIED, CONCERNING THE PRODUCT OR THE MERCHANTABILITY OR FITNESS THEREOF FOR ANY PURPOSE OR CONCERNING THE ACCURACY OF ANY INFORMATION PROVIDED BY CHENGUANG, except that the product shall conform to Chenguang’s specifications. Nothing contained herein constitutes an offer for the sale of any product.

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