3-Aminopropyltriethoxysilane
- CAS No.
- 919-30-2
- Chemical Name:
- 3-Aminopropyltriethoxysilane
- Synonyms
- APTES;AMINOPROPYLTRIETHOXYSILANE;3-(triethoxysilyl)propan-1-amine;AMEO;a1100;γ-Aminopropyltriethoxysilane;3-TRIETHOXYSILYLPROPYLAMINE;Aktisil AM;Dynasylan AMEO;y-Aminopropyltriethoxysilane
- CBNumber:
- CB8686147
- Molecular Formula:
- C9H23NO3Si
- Molecular Weight:
- 221.37
- MDL Number:
- MFCD00008207
- MOL File:
- 919-30-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | -70 °C |
|---|---|
| Boiling point | 217 °C(lit.) |
| Density | 0.946 g/mL at 25 °C(lit.) |
| vapor pressure | 0-7910Pa at 25℃ |
| refractive index |
n |
| Flash point | 205 °F |
| storage temp. | room temp |
| solubility | Miscible with toluene, acetone, chloroform and ethanol. |
| form | Liquid |
| pka | 10.37±0.10(Predicted) |
| Specific Gravity | 0.942 |
| color | APHA: ≤25 |
| PH | 11 (20g/l, H2O, 20℃) |
| Odor | Fishy odor |
| Viscosity | 1.8mm2/s |
| explosive limit | 0.8-4.5%(V) |
| Water Solubility | REACTS |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1754988 |
| Henry's Law Constant | 1.2×102 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| Stability | Stable. Incompatible with acids, strong oxidizing agents. May decompose on exposure to moisture. |
| Cosmetics Ingredients Functions | SURFACTANT - CLEANSING |
| InChI | 1S/C9H23NO3Si/c1-4-11-14(12-5-2,13-6-3)9-7-8-10/h4-10H2,1-3H3 |
| InChIKey | WYTZZXDRDKSJID-UHFFFAOYSA-N |
| SMILES | CCO[Si](CCCN)(OCC)OCC |
| LogP | -4--0.3 at 20℃ |
| Indirect Additives used in Food Contact Substances | 3-(TRIETHOXYSILYL)PROPYLAMINE |
| FDA 21 CFR | 175.105; 177.2355 |
| CAS DataBase Reference | 919-30-2(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | L8S6UBW552 |
| NIST Chemistry Reference | 1-Propanamine, 3-(triethoxysilyl)-(919-30-2) |
| EPA Substance Registry System | 3-Aminopropyltriethoxysilane (919-30-2) |
| UNSPSC Code | 12352103 |
| NACRES | NA.47 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS05,GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H302-H314-H317 | |||||||||
| Precautionary statements | P261-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338 | |||||||||
| PPE | Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | C,Xn | |||||||||
| Risk Statements | 22-34-43 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | UN 2735 8/PG 2 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | TX2100000 | |||||||||
| F | 10-34 | |||||||||
| Autoignition Temperature | 300 °C | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29310095 | |||||||||
| Storage Class | 8A - Combustible corrosive hazardous materials | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Skin Corr. 1B Skin Sens. 1 |
|||||||||
| Hazardous Substances Data | 919-30-2(Hazardous Substances Data) | |||||||||
| Toxicity | LD50 orally in Rabbit: 1780 mg/kg LD50 dermal Rabbit 3800 mg/kg | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
3-Aminopropyltriethoxysilane price More Price(69)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 8.21619 | 3-(Triethoxysilyl)propylamine for synthesis | 919-30-2 | 50mL | $51 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.21619 | 3-(Triethoxysilyl)propylamine for synthesis | 919-30-2 | 100mL | $86.8 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.21619 | 3-(Triethoxysilyl)propylamine for synthesis | 919-30-2 | 500mL | $277 | 2026-04-30 | Buy |
| Sigma-Aldrich | 440140 | (3-Aminopropyl)triethoxysilane 99% | 919-30-2 | 100ml | $111 | 2026-04-30 | Buy |
| Sigma-Aldrich | 440140 | (3-Aminopropyl)triethoxysilane 99% | 919-30-2 | 500ml | $380 | 2026-04-30 | Buy |
3-Aminopropyltriethoxysilane Chemical Properties,Uses,Production
Silane coupling agent KH-550
3-Aminopropyltriethoxysilane is the earliest widely used coupling agent, so far has been more than 40 years of history. One end of the structure is provided with an active group, such as amino and vinyl, which can react with synthetic resin molecules such as epoxy, phenolic, polyester. The other end is alkoxy (such as methoxy, ethoxy etc.) or chlorine atoms which connected with silicon, and these groups. These groups can react with the hydroxyl groups on the surface of glass, minerals, inorganic fillers and generate reactive silicon alcohol in the presence of water in the aqueous solution or air. Therefore, silane coupling agent is often used in silicate-filled epoxy, phenolic, polyester resin and so on. In addition, it can also be used in the production of glass fiber reinforced plastic, in order to improve its mechanical strength and resistance to wet environment. The organic group of the silane coupling agent has selectivity to the reaction of the synthetic resin. Generally, these organic groups are insufficiently reactive with synthetic resins such as polyethylene, polypropylene, polystyrene and so on, so that the coupling effect is poor. In recent years, new types of silane coupling agents have been developed which have a good coupling effect on polyolefins, but it is not widely used in cost and other properties.
Silane coupling agent, also known as silane treatment agent, primer. The general formula is Y (CH2) nSiX3, it is an organic silicon monomer with two or more different reactive groups in the molecule, which can be chemically bonded (coupled) with organic and inorganic materials, and increase the bonding property of the two materials. In the general formula, N is an integer of 0 to 3; X is a hydrolyzable group, such as chlorine, methoxy, ethoxy, acetoxy and the like, and is easily hydrolyzed to form a silanol which can be combined with an inorganic substance; Y is an organic functional group, such as a vinyl group, an amino group, an epoxy group, a methacryloyloxy group, a mercapto group and the like, which can react with organic compounds and combine. The performance of typical silane coupling agent is as follows: For glass fiber, inorganic filler surface treatment. Used as a sealant, adhesive and paint thickener. It also can be used to the immobilized enzyme attached to the surface of glass substrate, to sand control in oil well drilling, to prevent sand from drilling, to brick surface with hydrophobic, to make the fluorescent lamp coating have high surface resistance, and to improve the moisture absorption properties of organic matter on the surface of glass in the medium of liquid chromatography. It is catalyst in the platinum by the chloroform and alkene with the active group and then obtained by alcoholysis.
The molecular structure and application information of silane coupling agent 3-aminopropyltriethoxysilane are edited and edited by chemcialbook andy.
Uses
3-Aminopropyltriethoxysilane(gamma-Aminopropyltriethoxysilane) is a versatile amino-functional coupling agent used over a broad range of applications to provide superior bonds between inorganic substrates and organic polymers. The silicon-containing portion of the molecule provides strong bonding to substrates. The primary amine function reacts with a wide array of thermoset, thermoplastic, and elastomeric materials.
Silane coupling agent 3-Aminopropyltriethoxysilane is applied in plastic products (including cables, glassfiber-reinforcement plastics etc.), rubber products, adhesives, coatings, pigments dispersion, inks, magnetic materials (plastic magnet and rubber magnet), metallic casting resins and resins concrete, etc.
3-Aminopropyltriethoxysilane maximizes the physical and electrical properties of mineral-filled phenolics, epoxies, polyamides, polybutylene terephthalate, and a host of other thermoset and thermoplastic composites. Filler wetting and dispersibility in the polymer matrix are also improved.
3-Aminopropyltriethoxysilane improves adhesion between magnetic powder and organic resins and dispersion of magnetic powder inorganic resins. Also these magnetic appliances attain higher magnetic orientation and excellent magnetic properties, higher mechanical strength, good processability, excellent weathering resistance.
In glass-reinforced thermoset plastics, 3-Aminopropyltriethoxysilane enhances the flexural, compressive, and interlaminar shear strengths before and after exposure to humidity. 3-Aminopropyltriethoxysilane greatly improves wet electrical properties.
With nitrile, polysulfide, expoxy, urethane, and adhesives and sealants, 3-Aminopropyltriethoxysilane improves pigment dispersion and maximizes adhesion to glass, aluminum, and steel.
When 3-Aminopropyltriethoxysilane(gamma-Aminopropyltriethoxysilane) is used, glass-reinforced thermoplastics, polyamides, polyesters, and polycarbonates exhibit increased flexural and tensile strengths before and after wet exposure.
In glass fiber and mineral wool insulation, as a phenolics resin binder additive, 3-Aminopropyltriethoxysilane imparts moisture resistance and allows recovery after compression.
In shell molding foundry applications, 3-Aminopropyltriethoxysilane(gamma-Aminopropyltriethoxysilane) strengthens the bond between the phenolics binder and foundry sand.
In grinding wheels, 3-Aminopropyltriethoxysilane promotes an improved, water-resistant bond between the abrasive grit and phenolics resin binder.
3-Aminopropyltriethoxysilane(gamma-Aminopropyltriethoxysilane) is an excellent adhesion prompter in urethane, epoxy, and acrylic latex coatings, adhesives, and sealants.
Chemical Properties
Colorless transparent liquid
Uses
Forms aminopropyl derivative of glass, an adsorbent for affinity chromatography. Used to prepare positively charged slides suitable for use with various immunohistochemical and in situ hybridization procedures.
Uses
(3-Aminopropyl)triethoxysilane is useful in the formation of aminopropyl derivative of glass. It acts as an adsorbent for affinity chromatography. It is used to prepare positively charged slides suitable for use with various immunohistochemical and in situ hybridization procedures. In addition, it is used as adhesives and sealant chemicals, paint additives and coating additives. Further, it is used as a silylation reagent for coating glass and silica surfaces and to crosslink and immobilize proteins and other molecules.
General Description
(3-Aminopropyl)tiethoxysilane (APTES) is used as an amino-silane which is mainly used as a dispersant. APTES attaches an amino group to the functional silane for bio-conjugation.
Flammability and Explosibility
Not classified
Biochem/physiol Actions
(3-Aminopropyl)triethoxysilane forms aminopropyl derivative of glass, an adsorbent for affinity chromatography. It is used to prepare positively charged slides suitable for use with various immunohistochemical and in situ hybridization procedures.
Safety Profile
Poison by intraperitoneal route.Moderately toxic by ingestion and skin contact. A skin andeye irritant. When heated to decomposition it emits toxicfumes of NOx.
3-Aminopropyltriethoxysilane Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shandong Longchu New Materials Co., Ltd. | 18560591055 18560591055 | 2231772736@qq.com | China | 47 | 58 |
| Shanghai Aladdin Bio-Chem Technology Co.,LTD | 400-6206333 13167063860 | anhua.mao@aladdin-e.com | China | 29985 | 65 |
| Nanjing Runiver Technology Co.,Ltd. | 18014470519; 18014470519 | info@runivertech.com | China | 18 | 55 |
| Jinan Longcheng Silicone Co., Ltd | 0531-88779682 13655318696 | 2627877452@qq.com | China | 75 | 58 |
| Hubei Hengjie Chemical Co., Ltd | 15623078521; 15623078521 | 1836463726@qq.com | China | 3578 | 58 |
| SHANDONG ZHENGJI CHEMICAL CO.,LTD | 18369999171 | sales2@promisechemical.com | China | 68 | 58 |
| HUANGSHANJIAHUASILICONE CO,LTD | 15212785412; 15212785412 | hsuzihang@163.com | China | 63 | 58 |
| Jinan Leihe Trading Co., Ltd | 0531-88773819 13305412878 | 849314057@qq.com | China | 108 | 58 |
| Hubei DAHAO Chemical Co., Ltd. | 027-027-59106191 13986034860 | 1400828855@qq.com | China | 8681 | 58 |
| Shanghai Boyle Chemical Co., Ltd. | 021-50182298 021-50180596 | sales@boylechem.com | China | 2202 | 55 |
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Related Questions
Ask a questionView Lastest Price from 3-Aminopropyltriethoxysilane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-11 | 3-Aminopropyltriethoxysilane
919-30-2
|
0.99 | RongNa Biotechnology Co.,Ltd | ||||
 |
2026-09-11 | 3-Aminopropyltriethoxysilane
919-30-2
|
1Kg/Drum | 99% | 2000mt/year | Jinan Finer Chemical Co., Ltd | ||
 |
2026-09-11 | 3-Aminopropyltriethoxysilane
919-30-2
|
190KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD |
-
- 3-Aminopropyltriethoxysilane
919-30-2
- 0.99
- RongNa Biotechnology Co.,Ltd
-
- 3-Aminopropyltriethoxysilane
919-30-2
- $0.00
- 99%
- Jinan Finer Chemical Co., Ltd
-
- 3-Aminopropyltriethoxysilane
919-30-2
- $0.00
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
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