CAS No.4325-85-3,TRIS(TRIMETHYLSILOXY)BORON Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	4325-85-3
Name:	TRIS(TRIMETHYLSILOXY)BORON
Article Data:	22

Formula:	C₉H₂₇BO₃Si₃
Molecular Weight:	278.379
Synonyms:	Silanol,trimethyl-, borate (6CI,7CI);Silanol, trimethyl-, triester with boric acid (H₃BO₃)(8CI,9CI);Tris(trimethylsiloxy)boron;Tris(trimethylsilyl) borate;
EINECS:	-0
Density:	0.855 g/cm³
Melting Point:	-35 °C
Boiling Point:	186 °C at 760 mmHg
Flash Point:	42.8 °C
Appearance:	colorless clear liquid
Hazard Symbols:	Xi
Risk Codes:	10-36/37/38
Safety:	26-36
Transport Information:	UN 1993 3
PSA:	27.69000
LogP:	3.52580

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Specification

The Borane, tris(trimethylsiloxy)-, with the CAS registry number 4325-85-3, is also known as Boric acid tris(trimethylsilyl) ester. It belongs to the product categories of B (Classes of Boron Compounds); Boric Acid Esters; Boric Acid Triesters; Boronic Acids and Derivatives; Organoborates; Organometallic Reagents. This chemical's molecular formula is C₉H₂₇BO₃Si₃ and molecular weight is 278.38. What's more, both its IUPAC name and systematic name are the same which is called Tris(trimethylsilyl) borate. It is Clear colorless liquid.

Physical properties about Borane, tris(trimethylsiloxy)- are: (1)ACD/LogP: 5.45; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.45; (4)ACD/LogD (pH 7.4): 5.45; (5)ACD/BCF (pH 5.5): 8186.69; (6)ACD/BCF (pH 7.4): 8186.69; (7)ACD/KOC (pH 5.5): 22008.64; (8)ACD/KOC (pH 7.4): 22008.64; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 27.69 Å²; (13)Index of Refraction: 1.398; (14)Molar Refractivity: 78.56 cm³; (15)Molar Volume: 325.3 cm³; (16)Surface Tension: 17.3 dyne/cm; (17) Density: 0.855 g/cm³; (18)Flash Point: 42.8 °C; (19)Enthalpy of Vaporization: 40.49 kJ/mol; (20)Boiling Point: 186 °C at 760 mmHg; (21)Vapour Pressure: 0.931 mmHg at 25 °C; (22)Melting Point: -35 °C.

Preparation of Borane, tris(trimethylsiloxy)-: this chemical can be prepared by Hexamethyl-disiloxane with Benzenediazonium; Tetrafluoroborate. The reaction occurs with solvent 1,1,2-Trichloro-1,2,2-trifluoro-ethane. The yield is 46 %.

When you are dealing with this chemical, you should be very careful. This chemical is irritating to eyes, respiratory system and skin. It is flammable. Therefore, you should wear suitable protective clothing. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O(B(O[Si](C)(C)C)O[Si](C)(C)C)[Si](C)(C)C
(2) InChI: InChI=1/C9H27BO3Si3/c1-14(2,3)11-10(12-15(4,5)6)13-16(7,8)9/h1-9H3
(3) InChIKey: YZYKZHPNRDIPFA-UHFFFAOYAA