1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS

1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS - Names and Identifiers

Name	1,3-Diphenyl-1,1,3,3-tetramethyldisilazane
Synonyms	Bis(dimethyl(phenyl) Bis(dimethylphenylsilyl)amine Bis(phenyldimethylsilyl)amine Diphenyltetramethyldisilazane Iminobis(dimethylphenylsilane) TETRAMETHYL-1,3-DIPHENYLDISILAZANE 1,3-Diphenyl-1,1,3,3-tetramethSID4592.0 1,1,3,3-Tetramethyl-1,3-diphenyldisilazane 1,3-Diphenyl-1,1,3,3-tetramethyldisilazane 1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILAZANE 1,3-diphenyl-1,1,3,3,-tetramethyldisilazane 1,1,3,3-Tetramethyl-1,3-diphenylpropanedisilazane 1,3-Diphenyl-1,1,3,3-tetramethylpropanedisilazane 1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS N-(dimethylsilyl)-N,1-dimethyl-1,1-diphenylsilanamine
CAS	8449-26-1 3449-26-1
EINECS	222-372-5
InChI	InChI=1/C16H23NSi2/c1-17(18(2)3)19(4,15-11-7-5-8-12-15)16-13-9-6-10-14-16/h5-14,18H,1-4H3

1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS - Physico-chemical Properties

Molecular Formula	C16H23NSi2
Molar Mass	285.53
Density	0.985g/mLat 25°C(lit.)
Boling Point	96-100°C0.1mm Hg(lit.)
Flash Point	>230°F
Vapor Presure	0mmHg at 25°C
Specific Gravity	0.985
BRN	2738118
Storage Condition	Keep in dark place,Inert atmosphere,Room temperature
Sensitive	7: reacts slowly with moisture/water
Refractive Index	n20/D 1.538(lit.)
MDL	MFCD00042916

1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS - Risk and Safety

Hazard Symbols	Xi - Irritant
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 - Wear suitable protective clothing.
WGK Germany	3
FLUKA BRAND F CODES	10-21
TSCA	Yes
HS Code	29319090

1,3-Diphenyl-1,1,3,3-tetramethyldisilazane, DPTMDS - Introduction

1,3-Diphenyl-1,1,3,3-tetramethyl disilazane is an organosilicon compound with the chemical formula C18H23NSi2. It is a colorless liquid with a strong ammonia odor.

1,3-Diphenyl-1,1,3,3-tetramethyldisilazane is mainly used in silicon-catalyzed reactions in organic synthesis, usually as a silicon reagent, a precursor of a silicon thiazole catalyst and an intermediate of a reducing agent. It can also be used as a protective agent for organometallic compounds.

The method for preparing 1,3-Diphenyl-1,1,3,3-tetramethyldisilazane is usually prepared by reacting dibromophenyl and tetramethyldisilylamine under alkaline conditions. The specific reaction steps are as follows:

1. Dissolve tetramethyldisilylamine in ether.
2. Add a basic catalyst (such as triethylamine).
3. Dibromophenyl was added dropwise to the solution.
4. The reaction mixture was separated and acidified with hydrochloric acid solution.
5. Purify the target product by distillation or extraction.

Pay attention to safety issues when using 1,3-Diphenyl-1,1,3, 3-tetramethyldisiliazane, avoid contact with skin and eyes, and keep away from fire sources. It is an irritant substance that may cause irritation to the respiratory tract and digestive tract. Therefore, personal protective equipment such as protective gloves, goggles and protective clothing should be worn during operation.

Last Update：2024-04-10 22:29:15