tert-Butylamine

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Description

tert-Butylamine is used as an intermediate in the preparation of the sulfenamides such as N-tert-butyl-2-benzothiazylsulfenamide and N-tert-butyl-2-benzothiazylsulfenimide. As rubber accelerators, these compounds modify the rate of vulcanization or rubber. A variety of pesticides are derived from this amine, including terbacil, terbutryn, and terbumeton. In pharmacology under the name erbumine, tert-butylamine has been used as a counterion in drug substances such as perindopril erbumine. Formula C4H11N Molar mass 73.139 g/mol CAS Number 75-64-9 Density 0.696 g/cm3 at 25°C (77°F) Purity/Grade 98% Appearence Liquid Melting point/freezing point -67°C (-89°F) – lit. Initial boiling point and boiling range 46°C (115°F) – lit. Flash point -38°C (-36°F) – closed cup Vapour pressure 392.9 hPa (294.7 mmHg) at 20°C (68°F) Vapour density 2.53 – (Air = 1.0) Water solubility ca. 1,000 g/l at 25°C (77°F) pH 12.1 at 100 g/l at 25°C (77°F) Auto-ignition temperature 380°C (716°F) at 1,013 hPa (760 mmHg) Partition coefficient: n-octanol/water log Pow: 0.4 at 25°C (77°F) Upper/lower flammability or explosive limits Upper EL: 9.8 %(V), Lower EL: 1.7 %(V)

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