1,3-Bis(trimethylsilyl)urea

Modify Date: 2024-01-02 19:22:40

1,3-Bis(trimethylsilyl)urea Structure
1,3-Bis(trimethylsilyl)urea structure
Common Name 1,3-Bis(trimethylsilyl)urea
CAS Number 18297-63-7 Molecular Weight 204.417
Density 0.9±0.1 g/cm3 Boiling Point 222°C
Molecular Formula C7H20N2OSi2 Melting Point 219-221 °C(lit.)
MSDS Chinese USA Flash Point 65°C
Symbol GHS02
GHS02
Signal Word Danger

 Names

Name 1,3-Bis(trimethylsilyl)urea
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 222°C
Melting Point 219-221 °C(lit.)
Molecular Formula C7H20N2OSi2
Molecular Weight 204.417
Flash Point 65°C
Exact Mass 204.111420
PSA 41.13000
LogP 1.76
Vapour Pressure 0.177mmHg at 25°C
Index of Refraction 1.427
Storage condition 2-8°C

 Safety Information

Symbol GHS02
GHS02
Signal Word Danger
Hazard Statements H228
Precautionary Statements P210
Personal Protective Equipment Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes F,Xn
Risk Phrases R11
Safety Phrases S14-S16-S24/25
RIDADR UN 1325 4.1/PG 2
WGK Germany 3
Hazard Class 4.1
HS Code 29310095

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles6

More Articles
Effective Boolean dynamics analysis to identify functionally important genes in large-scale signaling networks.

Biosystems 137 , 64-72, (2015)

Efficiently identifying functionally important genes in order to understand the minimal requirements of normal cellular development is challenging. To this end, a variety of structural measures have b...

N, N′-Bis [trimethylsilyl]-urea: A Useful Silylating Agent for Alcohols and Carboxylic Acids. Verboom W, et al.

Synthesis 1981(10) , 807-809, (1981)

B.E. Cooper

Chem. Ind. , 794, (1978)

 Synonyms

bistrimethylsilylurea
Urea, N,N'-bis(trimethylsilyl)-
BSU
MFCD00008260
Urea,TMS
1,3-Bis(trimethylsilyl)urea
EINECS 242-177-9
Hexamethyl disilaurea
N,N'-Bis(trimethylsilyl)urea
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