CAS No.994-49-0,HEXAETHYLDISILOXANE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	994-49-0
Name:	HEXAETHYLDISILOXANE
Article Data:	203

Formula:	C₁₂H₃₀OSi₂
Molecular Weight:	246.541
Synonyms:	Disiloxane,hexaethyl- (6CI,8CI,9CI);1,1,1,3,3,3-Hexaethyldisiloxane;Bis(triethylsilyl)ether;Hexaethyldisiloxane;NSC 139841;
EINECS:	213-619-8
Density:	0.809 g/cm³
Melting Point:	-115 °C
Boiling Point:	234.5 °C at 760 mmHg
Flash Point:	77 °C
Solubility:	Not miscible or difficult to mix with water.
Risk Codes:	36/37/38
Safety:	26-36/37/39-24/25-23
PSA:	9.23000
LogP:	5.01340

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Specification

The Disiloxane,1,1,1,3,3,3-hexaethyl- is an organic compound with the formula C₁₂H₃₀OSi₂. The IUPAC name of this chemical is triethyl(triethylsilyloxy)silane. With the CAS registry number 994-49-0, it is also named as 1,1,1,3,3,3-Hexaethyldisiloxane. Besides, it should be stored in a closed cool and dry place.

Physical properties about Disiloxane,1,1,1,3,3,3-hexaethyl- are: (1)ACD/LogP: 7.39; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.39; (4)ACD/LogD (pH 7.4): 7.39; (5)ACD/BCF (pH 5.5): 244566.64; (6)ACD/BCF (pH 7.4): 244566.64; (7)ACD/KOC (pH 5.5): 250374.22; (8)ACD/KOC (pH 7.4): 250374.22; (9)#H bond acceptors: 1; (10)#Freely Rotating Bonds: 8; (11)Polar Surface Area: 9.23 Å²; (12)Index of Refraction: 1.418; (13)Molar Refractivity: 76.82 cm³; (14)Molar Volume: 304.4 cm³; (15)Polarizability: 30.45×10^-24cm³; (16)Surface Tension: 20.4 dyne/cm; (17)Density: 0.809 g/cm³; (18)Flash Point: 77 °C; (19)Enthalpy of Vaporization: 45.21 kJ/mol; (20)Boiling Point: 234.5 °C at 760 mmHg; (21)Vapour Pressure: 0.0805 mmHg at 25°C.

Preparation: this chemical can be prepared by triethylsilane. This reaction will need reagent nickel, H₂O.

Uses of Disiloxane,1,1,1,3,3,3-hexaethyl-: it can be used to produce tetraethylsilane by heating. It will need reagent Ga, I₂. The yield is about 59%.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection, avoid contact with skin and eyes and do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer). In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O([Si](CC)(CC)CC)[Si](CC)(CC)CC
(2)InChI: InChI=1/C12H30OSi2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h7-12H2,1-6H3
(3)InChIKey: WILBTFWIBAOWLN-UHFFFAOYAO
(4)Std. InChI: InChI=1S/C12H30OSi2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h7-12H2,1-6H3
(5)Std. InChIKey: WILBTFWIBAOWLN-UHFFFAOYSA-N