Silane,butyltrimethoxy- (1067-57-8)

The Butyltrimethoxysilane, with the cas registry number 1067-57-8 and EINECS registry number 213-936-1, has the systematic name of butyl(trimethoxy)silane. It is a kind of clear to straw liquid, and belongs to the product categories of Alkoxy Silanes and Hydrophobing Agents. The molecular formula of the chemical is C₇H₁₈O₃Si.

The characteristics of this chemical are as followings: (1)ACD/LogP: 1.73; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.73; (4)ACD/LogD (pH 7.4): 1.73; (5)ACD/BCF (pH 5.5): 12.16; (6)ACD/BCF (pH 7.4): 12.16; (7)ACD/KOC (pH 5.5): 208.13; (8)ACD/KOC (pH 7.4): 208.13; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 27.69 ?2; (13)Index of Refraction: 1.401; (14)Molar Refractivity: 48.43 cm3; (15)Molar Volume: 198.9 cm3; (16)Polarizability: 19.19 10-24cm3; (17)Surface Tension: 21.5 dyne/cm; (18)Density: 0.896 g/cm3; (19)Flash Point: 43.1 °C; (20)Enthalpy of Vaporization: 36.59 kJ/mol; (21)Boiling Point: 144.5 °C at 760 mmHg; (22)Vapour Pressure: 6.38 mmHg at 25°C.

Uses of Butyltrimethoxysilane: It can react with 2,2',2''-azanetriyl-tris-ethanol to produce 1-butyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane. This reaction will need reagent KOH, and the reaction time is 1 hour with temperature of 50°C, and the yield is about 89%.   


You should be cautious while dealing with this chemical. It is a kind od flammable chemical, and irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Keep away from sources of ignition - No smoking; Wear suitable protective clothing, gloves and eye/face protection; In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O(C)[Si](OC)(OC)CCCC
(2)InChI: InChI=1/C7H18O3Si/c1-5-6-7-11(8-2,9-3)10-4/h5-7H2,1-4H3
(3)InChIKey: SXPLZNMUBFBFIA-UHFFFAOYAS