TSA

TSA
TSA

Property information

CAS No 13862-16-3
Formula

(SiH3)3N

Name

Trisilylamine

Chemical Formula

107.33

Appearance

Liquid

Stability

Highly flammable liquid and vapor. In contact with water releases flammable gases which may ignite spontaneously.

Relative density

0.895(water =1)

Melting Point

-106 ˚C

Boiling Point

52 ˚C

Flash point

-48 ˚C

decomposition point

358°C 

vapor pressure

315 mmHg @20˚C

Note

Trisilylamine (SiH3)3N (TSA) is a highly volatile (315 torr @ 25°C) C-free and Cl-free precursor for Si3N4 and oxynitride with low T capabilities (575-700°C). It provides extremely clean process (no NH4Cl) with high step coverage capabilities and tunable Si/N ratio. Silicon nitride films exhibit very low H content.

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