N-(Triethoxysilylpropyl)urea

CAS NO.：23779-32-0
Empirical Formula: C10H24N2O4Si
Molecular Weight: 264.39
MDL number: MFCD00047877
EINECS: 245-876-7
SAFETY DATA SHEET (SDS)
Update Date: 2025-01-13 13:44:27

What is N-(Triethoxysilylpropyl)urea?

The Uses of N-(Triethoxysilylpropyl)urea

N-(Triethoxysilylpropyl)urea can be used as the silicon source with potassium hydrogen phthalate serving as the doping agent in the preparation of water-soluble SiNPs on the basis of one-step hydrothermal strategy.

What are the applications of Application

N-(Triethoxysilylpropyl)urea is suitable for epoxy resin, phenolic resin, urea-formaldehyde resin, polyurethane, polyamide, melamine, polyvinyl butyral and other adhesives. It can be used as adhesion promoter, surface modifier, cross-linking agent and dispersant, mainly used to improve the binding force, compatibility and resin coating of inorganic mineral powder materials and fibers to high molecular polymers (resins) Adhesion to inorganic substrates and water resistance.
N-(Triethoxysilylpropyl)urea is applicable in the industries including the modification of engineering rubber and plastic materials, paints, coatings, inks, casting resins, adhesives, sealants, glass fibers, abrasives and other industries.

Flammability and Explosibility

Non flammable

Properties of N-(Triethoxysilylpropyl)urea

Melting point:	-97°C
Boiling point:	305.1±34.0 °C(Predicted)
Density	0.91 g/mL at 25 °C
vapor pressure	0.003Pa at 25℃
refractive index	n20/D 1.39
Flash point:	58 °F
solubility	soluble in Alcohol
form	clear liquid
pka	14.20±0.46(Predicted)
Specific Gravity	0.92
color	Colorless to Almost colorless
Water Solubility	7g/L at 20℃
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
CAS DataBase Reference	23779-32-0(CAS DataBase Reference)
EPA Substance Registry System	[3-(Triethoxysilyl)propyl]urea (23779-32-0)

Safety information for N-(Triethoxysilylpropyl)urea

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07 Health Hazard GHS08
GHS Hazard Statements	H225:Flammable liquids H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H336:Specific target organ toxicity,single exposure; Narcotic effects H360:Reproductive toxicity H370:Specific target organ toxicity, single exposure H372:Specific target organ toxicity, repeated exposure
Precautionary Statement Codes	P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P243:Take precautionary measures against static discharge. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P403+P235:Store in a well-ventilated place. Keep cool.