1,3-双(三甲基甲硅烷基)脲

Description

1,3-Bis(trimethylsilyl)urea · CAS 18297-63-7 · C7H20N2OSi2. UNII HDY25992GZ.

Identification

CAS Registry Number	18297-63-7
PubChem CID	87562
Molecular formula	C7H20N2OSi2
IUPAC name	1,3-bis(trimethylsilyl)urea
UNII (FDA)	HDY25992GZ

Computed Descriptors

Molecular Weight	204.42
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	2
Exact Mass	204.11141633
Monoisotopic Mass	204.11141633
Topological Polar Surface Area	41.1
Heavy Atom Count	12
Formal Charge	0
Complexity	151

Physical description & handling notes

• Solid; [IUCLID] White or yellow solid; [Alfa Aesar MSDS]

GHS Hazard Classification

Reported hazard statements	H228 (91.1%)

Documented Uses

• Used as an on-site intermediate; [IUCLID]
• Urea, N,N'-bis(trimethylsilyl)-: ACTIVE

Synonyms

1,3-Bis(trimethylsilyl)urea; N,N'-Bis(trimethylsilyl)urea; Urea, N,N'-bis(trimethylsilyl)-; Urea, 1,3-bis(trimethylsilyl)-; Urea, bis-TMS; Urea, di-TMS; Urea, 2TMS derivative; EINECS 242-177-9; N,N'-Di(trimethylsilyl)urea; N1,N2-Bis(trimethylsilyl)urea; DTXSID7066358; EC 242-177-9; Bis(trimethylsilyl) derivative of Urea; RefChem:72529; n,n'bis(trimethylsilyl)urea; N1,N2Bis(trimethylsilyl)urea

Frequently Asked Questions

What are the CAS number and molecular formula of 1,3-Bis(trimethylsilyl)urea?

CAS 18297-63-7; molecular formula C7H20N2OSi2; molecular weight — g/mol.

What other names is 1,3-Bis(trimethylsilyl)urea known by?

1,3-Bis(trimethylsilyl)urea, N,N'-Bis(trimethylsilyl)urea, Urea, N,N'-bis(trimethylsilyl)-, Urea, 1,3-bis(trimethylsilyl)-, Urea, bis-TMS, Urea, di-TMS.

Is 1,3-Bis(trimethylsilyl)urea classified as hazardous?

Hazard statements reported: H228.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.