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N,N'-bis-(Trimethylsilyl)urea (BSU)

BGC Id:	770143753948
CAS No:	18297-63-7
Synonyms:	ureylenebis(trimethylsilane) ; n,n'-di(trimethylsilyl)urea ; n,n'-bis(trimethylsilyl)urea ; hexamethyl disilaurea ; 1,1-bis(trimethylsilyl)urea ; bis(trimethylsilyl)urea ; 1,3-bis(trimethylsilyl)urea ; urea, tms ; bsu ; n,n'-bis(trimethylsilyl)-ure
Molecular Formula:	C7H20N2OSi2
Molecular Weight:	204.42
EINECS:	242-177-9

Verified providers in 2025

The following notable provider has been checked and can be recommended.

Shanghai Mintchem Development Co., Ltd.

Tipo de compañía: Leading producer

Teléfono: +86-21-68451592
Fax: +86-21-68450923
País: P.R.China

Somos surtidor de Bismuth nitrate, anhydrous. Shanghai Mintchem Development Co., Ltd. manufactures and supplies inorganic fluoride chemicals and flame retardants (IPPP, APP, micron magnesium hydroxide, micron aluminum hydroxide, etc) Metal chemicals ( bismuth salts, Copper salts, Chrome salts Tin salts, Nickel salts, Manganese salts, Zinc salts series, and Iron chemicals), Flux water treatment ...

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What other providers are available for CAS 18297-63-7?

The last intensive check and update was carried out on 2025/09/30.

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Synonyms:

ureylenebis(trimethylsilane) ; n,n'-di(trimethylsilyl)urea ; n,n'-bis(trimethylsilyl)urea ; hexamethyl disilaurea ; 1,1-bis(trimethylsilyl)urea ; bis(trimethylsilyl)urea ; 1,3-bis(trimethylsilyl)urea ; urea, tms ; bsu ; n,n'-bis(trimethylsilyl)-ure

CAS:

18297-63-7

EINECS:

242-177-9

Molecular Formula:

C7H20N2OSi2

MDL:

MFCD00008260

Properties

Molecular Weight:

204.42 g·mol−1

Density:

0.887

Melting point:

219-221 °C(lit.)

Boiling point:

222 °C

Flash point:

65 °C

Physical Description:

white solid with mild odor

Safety Information

Hazard Symbols: F, Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

11-36/37/38-20/21/22 (R)

Safety Codes:

14-16-24/25-36-26 (S)

WGK Germany:

RID / ADR:

UN 1325 4.1 / PG 2

Storage temperature:

2-8 °C

What other providers are available for CAS 18297-63-7?

In addition to the providers presented here for N,N'-bis-(Trimethylsilyl)urea (BSU) with the CAS number 18297-63-7, there are other 70 providers with slightly different product names available for this CAS number.

Hexamethyl disilyl urea

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bis-(Trimethylsilyl)urea

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1,3-bis-(Trimethylsilyl)urea

N,N-bis-(Trimethylsilyl)urea

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