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CAS No. 18044-44-5 Density 0.932 g/cm3
PSA 30.99000 LogP 2.84850
Solubility N/A Melting Point N/A
Formula C11H26O3Si2 Boiling Point 254.545 °C at 760 mmHg
Molecular Weight 262.497 Flash Point 89.945 °C
Transport Information N/A Appearance N/A
Safety 26-36/37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 18044-44-5 ((3-GLYCIDOXYPROPYL)PENTAMETHYLDISILOXANE) Hazard Symbols N/A

Disiloxane,[3-(2,3-epoxypropoxy)propyl]pentamethyl- (6CI,8CI);Disiloxane,pentamethyl[3-(oxiranylmethoxy)propyl]- (9CI);(3-Glycidoxypropyl)pentamethyldisiloxane;

Article Data 5

3,8-Dioxa-2,4-disilanonane,2,2,4,4-tetramethyl-9-(2-oxiranyl)- Specification

The CAS register number of 3,8-Dioxa-2,4-disilanonane,2,2,4,4-tetramethyl-9-(2-oxiranyl)- is 18044-44-5. It also can be called as (3-Glycidoxypropyl)pentamethyldisiloxane and the systematic name about this chemical is 1,1,1,3,3-pentamethyl-3-[3-(oxiran-2-ylmethoxy)propyl]disiloxane. The molecular formula about this chemical is C11H26O3Si2 and the molecular weight is 262.49.

Physical properties about 3,8-Dioxa-2,4-disilanonane,2,2,4,4-tetramethyl-9-(2-oxiranyl)- are: (1)ACD/LogP: 2.25; (2)ACD/LogD (pH 5.5): 4; (3)ACD/LogD (pH 7.4): 4; (4)ACD/BCF (pH 5.5): 1176; (5)ACD/BCF (pH 7.4): 1176; (6)ACD/KOC (pH 5.5): 5489; (7)ACD/KOC (pH 7.4): 5489; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 8; (10)Polar Surface Area: 30.99 Å2; (11)Index of Refraction: 1.435; (12)Molar Refractivity: 73.51 cm3; (13)Molar Volume: 281.6 cm3; (14)Polarizability: 29.142x10-24cm3; (15)Surface Tension: 24.26 dyne/cm; (16)Density: 0.932 g/cm3; (17)Flash Point: 89.945 °C; (18)Enthalpy of Vaporization: 47.21 kJ/mol; (19)Boiling Point: 254.545 °C at 760 mmHg; (20)Vapour Pressure: 0.027 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. If you want to use this chemical, wear suitable protective clothing, gloves and eye/face protection. 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(CCC[Si](O[Si](C)(C)C)(C)C)CC1OC1
(2)InChI: InChI=1/C11H26O3Si2/c1-15(2,3)14-16(4,5)8-6-7-12-9-11-10-13-11/h11H,6-10H2,1-5H3
(4)Std. InChI: InChI=1S/C11H26O3Si2/c1-15(2,3)14-16(4,5)8-6-7-12-9-11-10-13-11/h11H,6-10H2,1-5H3

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