Butylamine n-Butylamine Cas 109-73-9

CAS Number

109-73-9

Molecular Formula

C4H11N

Also known as:

n-Butylamine
n-BA

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Product Description

Product Introduction

n-Butylamine (CAS 109-73-9) is a primary aliphatic amine with strong alkalinity and high reactivity
It is widely used as an intermediate in pharmaceuticals, agrochemicals, rubber chemicals, dyes, and corrosion inhibitors
It is a colorless, strongly odorous, volatile liquid

Applications & Descriptions

Pharmaceutical Intermediate
Used for synthesis of APIs, amides, and various alkylated amine structures
Agrochemical Intermediate
Applied in the production of herbicides, fungicides, and plant growth regulators
Rubber Chemicals
Used for making vulcanization accelerators and anti-aging agents
Corrosion Inhibitors
Commonly used in closed-system water treatment as a neutralizing amine
Organic Synthesis Reagent
Acts as a nucleophile in condensation, alkylation, and acylation reactions
Dye & Pigment Intermediate
A building block for specialty colorants and azo dye derivatives

Technical Parameters

Parameter	Value
Melting point	−49 °C(lit.)
Boiling point	78 °C(lit.)
density	0.74 g/mL at 25 °C(lit.)
vapor density	2.5 (vs air)
vapor pressure	68 mm Hg ( 20 °C)
refractive index	n20/D 1.401(lit.)
FEMA	3130 \| BUTYLAMINE
Fp	30 °F
storage temp.	Store below +30°C.
solubility	water: miscible
pka	10.77(at 20℃)
form	Liquid
color	Clear
PH	12.6 (100g/l, H2O, 20℃)
Odor	Fish-like; ammonia-like.
Odor Threshold	0.17ppm
Odor Type	ammoniacal
explosive limit	1.5-9.8%(V)