Agent Name

1,3-Bis(trimethylsilyl)urea

CAS Number

18297-63-7

Formula

C7-H20-N2-O-Si2

Major Category

Metals

Synonyms

Bis(trimethylsilyl)urea; N,N'-Bis(trimethylsilyl)urea; Urea, N,N'-bis(trimethylsilyl)-; [ChemIDplus] N1,N2-Bis(trimethylsilyl)urea; Urea, 1,3-bis(trimethylsilyl)-; [IUCLID]

Category

Metalloid Compounds (Silicon)

Description

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

Sources/Uses

Used as an on-site intermediate; [IUCLID]

Comments

Highly flammable; Slowly decomposed by moist air; No mortality observed in lethal-concentration studies of rats at the highest achievable concentration; [IUCLID] Reacts with water; An irritant; [Alfa Aesar MSDS] See "Urea."

Exposure Assessment
Lethal Concentration

LC50 (rat) > 2,200 mg/m3/4hr

Links to Other NLM Databases
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Other Information

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