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Urea,N,N'-bis(trimethylsilyl)-(CAS No. 18297-63-7)

Urea,N,N'-bis(trimethylsilyl)- C7H20N2OSi2 (cas 18297-63-7) Molecular Structure

18297-63-7 Structure

Identification and Related Records

【Name】
Urea,N,N'-bis(trimethylsilyl)-
【CAS Registry number】
18297-63-7
【Synonyms】
Urea,1,3-bis(trimethylsilyl)- (7CI,8CI)
Bis(trimethylsilyl)urea
N,N'-Bis(trimethylsilyl)urea
N1,N2-Bis(trimethylsilyl)urea
TSL 8845
1,3-Bis(trimethylsilyl)urea (BSU)
【EINECS(EC#)】
242-177-9
【Molecular Formula】
C7H20N2OSi2 (Products with the same molecular formula)
【Molecular Weight】
204.42
【Inchi】
InChI=1/C7H20N2OSi2/c1-11(2,3)8-7(10)9-12(4,5)6/h1-6H3,(H2,8,9,10)
【InChIKey】
MASDFXZJIDNRTR-UHFFFAOYSA-N
【Canonical SMILES】
C[Si](C)(C)NC(=O)N[Si](C)(C)C
【MOL File】
18297-63-7.mol

Chemical and Physical Properties

【Appearance】
White needle, crystalline powder with slight amine smell.
【Density】
0.887 g/cm3
【Melting Point】
232℃
【Boiling Point】
222°C
【Vapour】
0.177mmHg at 25°C
【Refractive Index】
1.442
【Flash Point】
222°C
【Water】
Soluble in ethanol, benzene
【Solubilities】
Soluble in ethanol, benzene
【Stability】
Stable under normal temperatures and pressures.
【HS Code】
29310095
【Storage temp】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Computed Properties】
Molecular Weight:204.4175 [g/mol]
Molecular Formula:C7H20N2OSi2
H-Bond Donor:2
H-Bond Acceptor:1
Rotatable Bond Count:2
Tautomer Count:2
Exact Mass:204.111416
MonoIsotopic Mass:204.111416
Topological Polar Surface Area:41.1
Heavy Atom Count:12
Formal Charge:0
Complexity:151
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Feature 3D Acceptor Count:1
Feature 3D Donor Count:2
Effective Rotor Count:4
Conformer Sampling RMSD:0.6
CID Conformer Count:5

Safety and Handling

【Hazard Codes】
F
【Risk Statements】
R11
【Safety Statements 】
S24/25
【Safety】

Hazard Codes: FlammableF,HarmfulXn
Risk Statements: 11-36/37/38-20/21/22 
R11: Highly flammable. 
R36/37/38: Irritating to eyes, respiratory system and skin. 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 14-16-24/25-36-26 
S14: Keep away from ... (a list of incompatible materials will follow). 
S16: Keep away from sources of ignition. 
S24/25: Avoid contact with skin and eyes. 
S36: Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1325 4.1/PG 2
WGK Germany: 3
F: 3-10-21
TSCA: Yes
HS Code: 29310095

【Sensitive】
Moisture Sensitive
【Transport】
UN 1325

Supplier Location

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