CAS No.16066-09-4,1,3-BIS(TRIMETHYLSILOXY)-1,3-DIMETHYLDISILOXANE Suppliers,MSDS download

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Molecular Structure:
CAS No.:	16066-09-4
Name:	1,3-BIS(TRIMETHYLSILOXY)-1,3-DIMETHYLDISILOXANE
Article Data:	10

Formula:	C₈H₂₆O₃Si₄
Molecular Weight:	282.635
Synonyms:	1,1,1,3,5,7,7,7-Octamethyltetrasiloxane;H Oil;LS 8630;
EINECS:	240-209-6
Density:	0.863
Melting Point:	<0 °C
Boiling Point:	205.1 °C at 760 mmHg
Flash Point:	77.8 °C
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36
PSA:	27.69000
LogP:	2.40660

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Specification

The 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane is an organic compound with the formula C₈H₂₆O₃Si₄. The systematic name of this chemical is 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane. With the CAS registry number 16066-09-4, it is also named as (1,3-Bis(trimethylsiloxy)-1,3-dimethyldisiloxane). The product's category is Industrial/Fine Chemicals. Besides, its molecular weight is 282.63.

Physical properties about 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane are: (1)ACD/LogP: 7.69; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.69; (4)ACD/LogD (pH 7.4): 7.69; (5)ACD/BCF (pH 5.5): 411311.22; (6)ACD/BCF (pH 7.4): 411311.22; (7)ACD/KOC (pH 5.5): 363241.88; (8)ACD/KOC (pH 7.4): 363241.88; (9)#H bond acceptors: 3; (10)#Freely Rotating Bonds: 6; (11)Polar Surface Area: 27.69 Å²; (12)Flash Point: 77.8 °C; (13)Enthalpy of Vaporization: 42.33 kJ/mol; (14)Boiling Point: 205.1 °C at 760 mmHg; (15)Vapour Pressure: 0.365 mmHg at 25 °C.

Uses of 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane: it can be used to produce 3,5-Dichlor-1,1,1,3,5,7,7,7-octamethyltetrasiloxan. It will need reagent Jonol and solvent CCl₄. The yield is about 65%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. 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)InChI: InChI=1/C8H26O3Si4/c1-12(10-14(3,4)5)9-13(2)11-15(6,7)8/h12-13H,1-8H3
(2)InChIKey: LBPUHXCOWXUVCE-UHFFFAOYAY
(3)Std. InChI: InChI=1S/C8H26O3Si4/c1-12(10-14(3,4)5)9-13(2)11-15(6,7)8/h12-13H,1-8H3
(4)Std. InChIKey: LBPUHXCOWXUVCE-UHFFFAOYSA-N