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CAS No.: | 920-68-3 |
---|---|
Name: | Heptamethyldisilazane |
Article Data: | 26 |
Molecular Structure: | |
Formula: | C7H21NSi2 |
Molecular Weight: | 175.421 |
Synonyms: | Disilazane,heptamethyl- (6CI,7CI);Methylbis(trimethylsilyl)amine;N,N-Bis(trimethylsilyl)methylamine; |
EINECS: | 213-061-5 |
Density: | 0.797 g/cm3 |
Boiling Point: | 149 °C at 760 mmHg |
Flash Point: | 43.9 °C |
Solubility: | Decomposes in water |
Appearance: | Clear and colorless liquid |
Hazard Symbols: | Xi |
Risk Codes: | 10-36/37/38 |
Safety: | 26-36 |
Transport Information: | UN 1993 3/PG 3 |
PSA: | 3.24000 |
LogP: | 2.58800 |
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The Silanamine,N,1,1,1-tetramethyl-N-(trimethylsilyl)-, with the CAS registry number 920-68-3, is also known as Heptamethyldisilazane. It belongs to the product categories of Organics; Si (Classes of Silicon Compounds); Silazanes; Si-N Compounds. Its EINECS registry number is 213-061-5. This chemical's molecular formula is C7H21NSi2 and molecular weight is 175.42. Its systematic name is called N,1,1,1-tetramethyl-N-(trimethylsilyl)silanamine. What's more, this chemical is clear liquid with amine odor. On the other hand, you should keep it away from heat and away from sources of ignition - No smoking.
Physical properties of Silanamine,N,1,1,1-tetramethyl-N-(trimethylsilyl)-: (1)ACD/LogP: 2.29; (2)ACD/LogD (pH 5.5): -0.82; (3)ACD/LogD (pH 7.4): -0.81; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 1; (9)#Freely Rotating Bonds: 2; (10)Index of Refraction: 1.413; (11)Molar Refractivity: 55.63 cm3; (12)Molar Volume: 222.8 cm3; (13)Surface Tension: 17.3 dyne/cm; (14)Density: 0.787 g/cm3; (15)Flash Point: 43.9 °C; (16)Enthalpy of Vaporization: 38.59 kJ/mol; (17)Boiling Point: 149 °C at 760 mmHg; (18)Vapour Pressure: 4.11 mmHg at 25°C.
Preparation of Silanamine,N,1,1,1-tetramethyl-N-(trimethylsilyl)-: this chemical can be prepared by dichloro-methyl-amine and trichloro-methyl-silane. This reaction will need reagent <(CH3)2N>3P and solvent CH2Cl2. The reaction temperature is -10 ℃. The yield is about 72%.
Uses of Silanamine,N,1,1,1-tetramethyl-N-(trimethylsilyl)-: it can be used to produce benzhydrylidene-methyl-amine with benzophenone. This reaction will need reagent ZnCl2.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1)SMILES: N(C)([Si](C)(C)C)[Si](C)(C)C
(2)InChI: InChI=1/C7H21NSi2/c1-8(9(2,3)4)10(5,6)7/h1-7H3
(3)InChIKey: ZSMNRKGGHXLZEC-UHFFFAOYAU