3-Aminopropyltriethoxysilane CAS 919-30-2

Product name: 3-Aminopropyltriethoxysilane
CAS：919-30-2
MF：C9H23NO3Si
MW：221.37
EINECS:213-048-4

Product Description

Product name: 3-Aminopropyltriethoxysilane

CAS：919-30-2

MF：C9H23NO3Si

MW：221.37

EINECS:213-048-4

Use:

1. As a reinforcing agent and crosslinking promoter

2. Applied to acrylic coatings, adhesives, and sealants

3. Used as a bonding promoter“

Specifications :

3-Aminopropyltriethoxysilane Basic information
Product Name:	3-Aminopropyltriethoxysilane
CAS:	919-30-2
MF:	C9H23NO3Si
MW:	221.37
EINECS:	213-048-4
Mol File:	919-30-2.mol
3-Aminopropyltriethoxysilane Chemical Properties
Melting point	-70 °C
Boiling point	217 °C(lit.)
density	0.946 g/mL at 25 °C(lit.)
refractive index	n20/D 1.422
Fp	205 °F
storage temp.	room temp
solubility	Miscible with toluene, chloroform and ethanol.
form	Liquid
pka	10.37±0.10(Predicted)
Specific Gravity	0.942
color	APHA: ≤25
PH	11 (20g/l, H2O, 20℃)
explosive limit	0.8-4.5%(V)
Water Solubility	REACTS
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Sensitive	Moisture Sensitive
BRN	1754988
Stability:	Stable. Incompatible with acids, strong oxidizing agents. May decompose on exposure to moisture.

公司信息

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.