Dibutylamine

CAS: 111-92-2

Molecular formula C8H19N;

molecular weight 129.24;

EINECS number 203-921-8.

Melting point -62°C (lit.)

Boiling point 159°C (lit.)

Density 0.767 g/mL at 25°C (lit.)

Vapor density 4.46 (vs. air)

Vapor pressure 1.9 mmHg (20°C)

Refractive index n20/D 1.417 (lit.)

Flash point 106°F

Storage conditions Store below +30°C.

Solubility Solubility in water: 3.8 g/L, 20°C pKa 11.25 (at 21°C)

Form Liquid

Color White

pH 11.1 (1 g/L, H2O, 20°C)

Chemical Properties: Pure di-n-butylamine is a colorless liquid with a melting point of -60°C (-61.9°C), a boiling point of 159°C (48°C/1.73 kPa), a refractive index ($n_D^{20}$) of 1.4177, a relative density of 0.767 (20°C), and a flash point of 41°C. It is soluble in water, acetone, and benzene, and highly soluble in ethanol and diethyl ether. Uses: Di-n-butylamine serves as a raw material for organic synthesis. In the agrochemical sector, it is used to synthesize carbosulfan. It is also utilized in the production of dyes, rubber vulcanization accelerators (BZTP), anti-aging agents (NBC), POP polymerization catalysts, corrosion inhibitors, pharmaceuticals, and oil additives such as dibutyl dithiocarbamates (of molybdenum, lead, antimony, and zinc).

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