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| CAS No.: | 33581-77-0 |
|---|---|
| Name: | TRIMETHYLSILYL(TRIMETHYLSILOXY)ACETATE |
| Molecular Structure: | |
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| Formula: | C8H20O3Si2 |
| Molecular Weight: | 220.416 |
| Synonyms: | Aceticacid, (trimethylsiloxy)-, trimethylsilyl ester (8CI);Acetic acid,[(trimethylsilyl)oxy]-, trimethylsilyl ester (9CI);Trimethylsilyl[(trimethylsilyl)oxy]acetate;[(Trimethylsilyl)oxy]acetic acid trimethylsilylester; |
| EINECS: | 251-580-9 |
| Density: | 0.911 g/cm3 |
| Boiling Point: | 176.5 °C at 760 mmHg |
| Flash Point: | 50.5 °C |
| Appearance: | Clear to straw liquid with distinct mild odor |
| Hazard Symbols: |
 Xi
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| Risk Codes: | 10-36/37/38 |
| Safety: | 26-36 |
| PSA: | 35.53000 |
| LogP: | 2.21600 |
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Specification
The Acetic acid,2-[(trimethylsilyl)oxy]-, trimethylsilyl ester is an organic compound with the formula C8H20O3Si2. The IUPAC name of this chemical is trimethylsilyl 2-trimethylsilyloxyacetate. With the CAS registry number 33581-77-0, it is also known as Glycolic acid, bis-TMS. The product's categories are C8 to C9; Carbonyl Compounds; Esters.
Physical properties about Acetic acid,2-[(trimethylsilyl)oxy]-, trimethylsilyl ester are: (1)ACD/LogP: 2.78; (2)ACD/LogD (pH 5.5): 2.78; (3)ACD/LogD (pH 7.4): 2.78; (4)ACD/BCF (pH 5.5): 75.94; (5)ACD/BCF (pH 7.4): 75.94; (6)ACD/KOC (pH 5.5): 772.06; (7)ACD/KOC (pH 7.4): 772.06; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 5; (10)Polar Surface Area: 35.53 Å2; (11)Index of Refraction: 1.411; (12)Molar Refractivity: 60.06 cm3; (13)Molar Volume: 241.9 cm3; (14)Polarizability: 23.81×10-24 cm3; (15)Surface Tension: 20.2 dyne/cm; (16)Density: 0.911 g/cm3; (17)Flash Point: 50.5 °C; (18)Enthalpy of Vaporization: 41.28 kJ/mol; (19)Boiling Point: 176.5 °C at 760 mmHg; (20)Vapour Pressure: 1.09 mmHg at 25 °C.
Uses of Acetic acid,2-[(trimethylsilyl)oxy]-,trimethylsilyl ester: it can be used to produce 1,1,2-tris-trimethylsilanyloxy-ethene. It will need reagent (C2H5)3N with reaction time of 14 hours. The yield is about 89%.
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 gloves and eye protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is flammable, so avoid contacting with open flame.
You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C8H20O3Si2/c1-12(2,3)10-7-8(9)11-13(4,5)6/h7H2,1-6H3
(2)InChIKey: MAEQOWMWOCEXKP-UHFFFAOYAF
(3)Std. InChI: InChI=1S/C8H20O3Si2/c1-12(2,3)10-7-8(9)11-13(4,5)6/h7H2,1-6H3
(4)Std. InChIKey: MAEQOWMWOCEXKP-UHFFFAOYSA-N