Product name: Tetra-butyl ammonium bromide, TBAB
Formula: C16H36BrN
Molecular weight: 322.37
HSNo.: 29420000
CASRN: 1643-19-2
Melting point: 103-104

Propertied: White crystal or powder with special smell, stable at normal temperature and pressure. Soluble in water, alcohol and acetone.
Solubility in water: 600 g/L (20)

Use: Ion pair reagent, used in synthesis of bacampicillin and Sultamicillin, is an effective phase transfer catalyst.

Toxicity:
Swallowing Acute toxicity: LD50-Rat: 590mg/kg
Inhalation, ingestion and contacting with skin is toxic, irritate to skin, eye and respiratory system.