![[3-(2-Aminoethylamino)propyl]trimethoxysilane technical grade, ≥80%](/deepweb/assets/sigmaaldrich/product/structures/149/508/f87a9a89-f138-4c5e-9fe0-6561914241c3/640/f87a9a89-f138-4c5e-9fe0-6561914241c3.png)
The high-density polyethylene surface requires thorough cleaning with a solvent like isopropyl alcohol or ethanol to eliminate contaminants. To enhance adhesion, the surface can be treated to increase roughness through plasma treatment or by using sandpaper to create a micro-rough texture. After cleaning, prepare a solution by dissolving this product in a suitable solvent, typically ethanol or toluene. A common concentration range is 1-5% (w/v), depending on the desired coating thickness. Apply the solution to the polyethylene surface using methods such as spraying, dipping, or brushing. Allow the surface to cure at room temperature or by applying gentle heat (60-80°C) in an oven.
741442
(3-Aminopropyl)triethoxysilane
(3-Aminopropyl)triethoxysilane
≥98.0%
Synonym(s):
APTS, 3-Triethoxysilylpropylamine, APTES
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About This Item
Linear Formula:
H2N(CH2)3Si(OC2H5)3
CAS Number:
Molecular Weight:
221.37
Beilstein:
1754988
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
Pricing and availability is not currently available.
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Assay
≥98.0%
form
liquid
color
APHA: ≤25
refractive index
n20/D 1.421
bp
217 °C/760 mmHg (lit.)
density
0.929 g/mL at 25 °C
0.946 g/mL at 25 °C (lit.)
SMILES string
CCO[Si](CCCN)(OCC)OCC
InChI
1S/C9H23NO3Si/c1-4-11-14(12-5-2,13-6-3)9-7-8-10/h4-10H2,1-3H3
InChI key
WYTZZXDRDKSJID-UHFFFAOYSA-N
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General description
(3-Aminopropyl)triethoxysilane (APTES) is an aminosilane that is majorly utilized in the chemical modification of a variety of surfaces such as alumina and silica. It can act as an adhesion promoter between the polymer and the substrate material. It can also be used in the immobilization of surface molecules. The attachment of APTES molecules with the atoms present on the surface happens through chemisorption which results in the formation of a self-assembled monolayer (SAM) on the substrate.[1][2]
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
195.1 °F - closed cup
Flash Point(C)
90.6 °C - closed cup
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How to coat the product APTES (741442) on high density polyethylene surface?
1 answer-
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdfHelpful?
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How to coat the product APTES (741442) on a Si wafer surface?
1 answer-
To coat APTES (741442) on a Si wafer surface:
1. Prepare a 1.6% APTES solution in toluene.
2. Soak the Si wafer in the solution for 2.5 hours.
3. Rinse the wafer using ethanol and water three times.
It's important to note that no initiator is needed. Varying the concentration and soaking time can result in different thicknesses of the APTES layer, but a layer that is too thick may exfoliate quickly.Helpful?
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What is the appropiate septum/cover reference to close this bottle? Cannot find it in your cathalogue.
1 answer-
This product is packaged in amber glass bottles. The closure is a polypropylene screw cap with PTFE liner. Replacing the cap with a septum is not recommended. See below for images of the bottle and cap.
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What is the concentration of the (3-Aminopropyl)triethoxysilane, commonly known as APTES?
1 answer-
The (3-Aminopropyl)triethoxysilane, which is a neat liquid, is 4.3 M. This is based on a density of 0.946 g/mL and a molecular weight of 221.37.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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