76328-77-3

76328-77-3 - Names and Identifiers

Name	n-Octadecyldimethyl(dimethylamino)silane
Synonyms	N-OCTADECYLDIMETHYL(DIMETHYLAMINO)SILANE OCTADECYLDIMETHYL (DIMETHYLAMINO) SILANE n-Octadecyldimethyl(dimethylamino)silane N,N,1,1-TetraMethyl-1-octadecylsilanaMine (N,N-Dimethylamino)dimethyloctadecylsilane Silanamine,N,N,1,1-tetramethyl-1-octadecyl- [dimethyl(octadecyl)azaniumyl]-dimethylsilicon N-[dimethyl(octadecyl)silyl]-N-methyl-methanamine
CAS	76328-77-3
InChI	InChI=1/C22H49NSi/c1-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-24(4,5)23(2)3/h6-22H2,1-5H3

76328-77-3 - Physico-chemical Properties

Molecular Formula	C22H49NSi
Molar Mass	355.72
Density	0.818±0.06 g/cm3(Predicted)
Melting Point	<20°C
Boling Point	160 °C
Flash Point	75°C
Specific Gravity	0.8175
pKa	9.90±0.70(Predicted)
Sensitive	7: reacts slowly with moisture/water
Refractive Index	1.4512

76328-77-3 - Risk and Safety

Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
TSCA	Yes

76328-77-3 - Introduction

n-Octadecyldimethyl(dimethylamino)silane, also known as n-Octadecyldimethyl(dimethylamino)silane, its chemical structure is (CH3)2N(CH3)SiC18H37. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: A colorless to slightly yellow liquid.
- pH: It is alkaline in water.
-Solubility: Soluble in common organic solvents such as alcohol, ether, ketone and petroleum ether.

Use:
-Surfactant: n-Octadecyldimethyl(dimethylamino)silane is commonly used as a surfactant to increase the water resistance and adhesion resistance of coatings, inks and adhesives.
-Surface modifier: It can be used to improve the wettability and adhesion of polymer surfaces, and is commonly used in the treatment of fibers, fillers and pigments.
-Electronic materials: Because it can improve the dielectric constant and antistatic properties, it can also be used in electronic materials.

Preparation Method:
The preparation of n-Octadecyldimethyl(dimethylamino)silane is usually achieved through the hydrosilylation reaction and nucleophilic substitution reaction of silane. A specific procedure involves reacting "n-Octadecyldimethylchlorosilane"(n-octadecyldichlorosilane) and "dimethylamine" (dimethylamine) under appropriate conditions.

Safety Information:
- n-Octadecyldimethyl(dimethylamino)silane is a hazardous chemical, please follow the relevant safety procedures for experimental operation.
-Avoid contact with skin and eyes and wear protective gloves, goggles and protective clothing if necessary.
-Store away from fire and oxidizing agents, in sealed containers, away from acids, alkalis and other organic substances.
-Prevent inhalation, ingestion or swallowing of this compound during use.
-In the event of an accident, take appropriate emergency measures in a timely manner and seek medical advice.

Last Update：2024-04-09 21:04:16