ChemicalBook Product Catalog Organic Chemistry Hydrocarbons and derivatives Cyclic hydrocarbons 2,2,4,4,6,6-Hexamethylcyclotrisilazane

2,2,4,4,6,6-Hexamethylcyclotrisilazane

2,2,4,4,6,6-Hexamethylcyclotrisilazane Basic information
Product Name:2,2,4,4,6,6-Hexamethylcyclotrisilazane
Synonyms:Cyclotrisilazane, 2,2,4,4,6,6-hexamethyl-;Cyclotrisilazane, hexamethyl-;cyclotrisilazane,2,2,4,4,6,6-hexamethyl-;Dimethylsilazane trimer;dimethylsilazanetrimer;H7250;nsc139842;2,2,4,4,6,6-Hexamethyl-1,3,5-triaza-2,4,6-trisilacyclohexane
CAS:1009-93-4
MF:C6H21N3Si3
MW:219.51
EINECS:213-773-6
Product Categories:Si (Classes of Silicon Compounds);Silazanes;Si-N Compounds;Organometallic Reagents;Organosilicon
Mol File:1009-93-4.mol
2,2,4,4,6,6-Hexamethylcyclotrisilazane Structure
2,2,4,4,6,6-Hexamethylcyclotrisilazane Chemical Properties
Melting point −10 °C(lit.)
Boiling point 188 °C756 mm Hg(lit.)
density 0.92 g/mL at 25 °C(lit.)
vapor pressure 35Pa at 25℃
refractive index n20/D 1.445(lit.)
Fp 139 °F
Water Solubility Decomposes in contact with water,Insoluble in water
form liquid
pka14.76±0.20(Predicted)
color colorless
Specific Gravity0.922
Hydrolytic Sensitivity7: reacts slowly with moisture/water
BRN 774739
InChIKeyWGGNJZRNHUJNEM-UHFFFAOYSA-N
CAS DataBase Reference1009-93-4(CAS DataBase Reference)
NIST Chemistry ReferenceHexamethylcyclotrisilazane(1009-93-4)
EPA Substance Registry SystemCyclotrisilazane, 2,2,4,4,6,6-hexamethyl- (1009-93-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR 1993
WGK Germany 3
RTECS GZ4720000
F 10-21
TSCA Yes
HazardClass 3.2
PackingGroup III
HS Code 29349990
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
2,2,4,4,6,6-Hexamethylcyclotrisilazane Usage And Synthesis
Chemical Propertiesclear colorless liquid
HazardModerately toxic by ingestion.
Flammability and ExplosibilityFlammable
Purification MethodsPurify it by fractional distillation at atmospheric pressure until the temperature reaches 200o. It is moisture sensitive. The residue in the flask is mostly octamethylcyclotetrasilazane. [Brewer & Haber J Am Chem Soc 70 3888 1948, Beilstein 4 III 1887.]
2,2,4,4,6,6-Hexamethylcyclotrisilazane Preparation Products And Raw materials
Preparation Productsdimethylsilanediol-->DIMETHYLDIFLUOROSILANE
Heptamethyldisilazane 2,2,4,4,6,6-Hexamethylcyclotrisilazane N-Methyl-2-pyrrolidone 1,2,3,4,5,6 HEXAMETHYLCYCLOTRISILAZANE 95% Heptamethyldisilazane METHYL-2-PYRROLIDONE 1,1,3,3-TETRAMETHYLDISILAZANE N,N-Dimethyldodecylamine 1,2,2,3,4,4-hexaphenyl-1,3,5,2,4,6-triazatrisilinane 1,3,5-TRIVINYL-1,3,5-TRIMETHYLCYCLOTRISILAZANE Sodium bis(trimethylsilyl)amide Hexamethyldisilazane Hexamethylcyclotrisiloxane 1,2,3,4,5,6 HEXAMETHYLCYCLOTRISILAZANE OCTAMETHYLCYCLOTETRASILAZANE
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