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| CAS No.: | 18306-29-1 |
|---|---|
| Name: | Bis(trimethylsilyl)sulfate |
| Article Data: | 36 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H18 O4 S Si2 |
| Molecular Weight: | 242.444 |
| Synonyms: | Silanol,trimethyl-, sulfate (2:1) (8CI,9CI); Bis(trimethylsilyl) sulfate |
| EINECS: | 242-192-0 |
| Density: | 1.041 g/cm 3 |
| Melting Point: | 41-44 °C(lit.) |
| Boiling Point: | 239.4 °C at 760 mmHg |
| Flash Point: | 72.2 °C |
| Appearance: | beige to brownish low melting crystals and/or |
| Hazard Symbols: |
 
|
| Risk Codes: | R11;R34 |
| Safety: | 16-26-36/37/39-45-9-33-25 |
| Transport Information: | UN 2925 4 |
| PSA: | 60.98000 |
| LogP: | 3.01500 |
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Chemistry
Molecular Structure of Bis(trimethylsilyl)sulfate (CAS NO.18306-29-1):
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IUPAC Name: Bis(trimethylsilyl) sulfate
Molecular Formula: C6H18O4SSi2
Molecular Weight: 242.44
EINECS: 242-192-0
Melting Point: 41-44 °C(lit.)
Index of Refraction: 1.425
Molar Refractivity: 59.63 cm3
Molar Volume: 232.8 cm3
Surface Tension: 23.3 dyne/cm
Density: 1.041 g/cm3
Flash Point: 72.2 °C
Enthalpy of Vaporization: 45.7 kJ/mol
Boiling Point: 239.4 °C at 760 mmHg
Vapour Pressure: 0.0622 mmHg at 25 °C
storage temp.: Refrigerator (+4 °C) + Flammables area
Sensitive: Moisture Sensitive
Appearance: beige to brownish low melting crystals
Canonical SMILES: C[Si](C)(C)OS(=O)(=O)O[Si](C)(C)C
InChI: InChI=1S/C6H18O4SSi2/c1-12(2,3)9-11(7,8)10-13(4,5)6/h1-6H3
InChIKey: KRUQDZRWZXUUAD-UHFFFAOYSA-N
Product Categories: Si (Classes of Silicon Compounds); Silicon Compounds (for Synthesis); Silyl Esters; Si-O Compounds; Synthetic Organic Chemistry
Uses
Bis(trimethylsilyl)sulfate (CAS NO.18306-29-1) is used to remove fluoride ion from water.
Safety Profile
Safety Information of Bis(trimethylsilyl)sulfate (CAS NO.18306-29-1):
Hazard Codes: 
F,
C
Risk Statements: 11-34
R11:Highly flammable.
R34:Causes burns.
Safety Statements: 16-26-36/37/39-45-9-33-25
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S9:Keep container in a well-ventilated place.
S25:Avoid contact with eyes.
S33:Take precautionary measures against static discharges.
RIDADR: UN 2925 4.1/PG 2
WGK Germany: 3
F: 3-10-21
HazardClass: 4.1
PackingGroup: III
Specification
Bis(trimethylsilyl)sulfate (CAS NO.18306-29-1), its Synonyms are Bistrimethylsilylsulfate ; Silanol, trimethyl-,1,1'-sulfate ; Silanol,trimethyl-, sulfate (2:1) (8CI,9CI) ; Sulfuric acid bis(trimethylsilyl) ester ; Sulfuric acid, TMS .