N,N'-二(3-三乙氧基硅丙基)脲

N,N'-二(3-三乙氧基硅丙基)脲 - Names and Identifiers

Name	1,3-bis[3-(triethoxysilyl)propyl]urea
Synonyms	1,1-bis(3-triethoxysilylpropyl)urea 1,3-bis[3-(triethoxysilyl)propyl]urea N,N'-BIS[3-(TRIETHOXYSILYL)PROPYL]UREA
CAS	69465-84-5
InChI	InChI=1/C19H44N2O7Si2/c1-7-23-29(24-8-2,25-9-3)17-13-15-20-19(22)21-16-14-18-30(26-10-4,27-11-5)28-12-6/h7-18H2,1-6H3,(H2,20,21,22)

N,N'-二(3-三乙氧基硅丙基)脲 - Physico-chemical Properties

Molecular Formula	C19H44N2O7Si2
Molar Mass	468.73
Density	0.923
Boling Point	494.2°C at 760 mmHg
Flash Point	17°C (63°F)
Vapor Presure	6.61E-10mmHg at 25°C
Specific Gravity	0.923
Sensitive	7: reacts slowly with moisture/water
Refractive Index	1.449

N,N'-二(3-三乙氧基硅丙基)脲 - Risk and Safety

TSCA

N,N'-二(3-三乙氧基硅丙基)脲 - Introduction

1,3-bis[3-(triethoxysilyl)propyl]urea is an organosilicon compound. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: Colorless or light yellow liquid
-Molecular formula: C24H58N2O6Si2
-Molecular weight: 530.89g/mol
-density: 0.910 g/cm
-Melting point:-20 ℃
-Boiling point: 380 ℃

Use:
- 1,3-bis[3-(triethoxysilyl)propyl]urea is mainly used as a crosslinking agent and reinforcing agent, and is widely used in polymer materials, rubber, coatings, adhesives and other fields. It can improve the mechanical properties, heat resistance and chemical resistance of the material, and enhance the bonding and wear resistance of the material.

Preparation Method: The preparation of
- 1,3-bis[3-(triethoxysilyl)propyl]urea is generally obtained by reacting an organosilicon reagent with a urea compound. The specific synthesis steps are complicated and need to be carried out under appropriate conditions.

Safety Information:
- 1,3-bis[3-(triethoxysilyl)propyl]urea is a stable compound at room temperature, but it may decompose at high temperatures to produce harmful gases.
-Avoid inhalation, contact with skin and eyes.
-Wear appropriate protective equipment, such as chemical protective gloves and goggles.
-If you come into contact with the compound, immediately flush the affected area with plenty of water and seek medical advice.

Last Update：2024-04-10 22:29:15