2,2,4,4,6,6-Hexamethylcyclotrisilazane Eight Chongqing Chemdad Co. ，Ltd

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

CAS No.：1009-93-4

Other grades of this product :

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-Hexamethy
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 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
pka	14.76±0.20(Predicted)
form	liquid
color	colorless
Specific Gravity	0.922
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
BRN	774739
InChIKey	WGGNJZRNHUJNEM-UHFFFAOYSA-N
CAS DataBase Reference	1009-93-4(CAS DataBase Reference)
NIST Chemistry Reference	Hexamethylcyclotrisilazane(1009-93-4)
EPA Substance Registry System	Cyclotrisilazane, 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

Provider	Language
ACROS	English
SigmaAldrich	English

2,2,4,4,6,6-Hexamethylcyclotrisilazane Usage And Synthesis

Chemical Properties	clear colorless liquid
Hazard	Moderately toxic by ingestion.
Flammability and Explosibility	Flammable
Purification Methods	Purify 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 Products

dimethylsilanediol-->DIMETHYLDIFLUOROSILANE

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