Isopropylamine

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Isopropylamine

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Template:Longitem	Template:Unbulleted list
Template:Longitem	605259
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MeSH	2-propylamine
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UN number	1221
Template:Longitem	Template:Chembox Elements/molecular formula
Molar mass	Template:Chem molar mass
Appearance	Colourless liquid
Odor	"Fishy"; ammoniacal
Density	688 mg mL−1
Melting point	Template:Chembox CalcTemperatures
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log P	0.391
Vapor pressure	63.41 kPa (at 20 °C)
Template:Longitem	1.3742
Template:Longitem	163.85 J K−1 mol−1
Template:Longitem	218.32 J K−1 mol−1
Template:Longitem	−113.0–−111.6 kJ mol−1
Template:Longitem	−2.3540–−2.3550 MJ mol−1
Flash point	Template:Chembox CalcTemperatures
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Explosive limits	2–10.4%
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Template:Longitem	2-Methyl-2-nitrosopropane

Isopropylamine (also known as monoisopropyl amine, MIPA, or 2-propylamine) is an organic compound, an amine. It is a hygroscopic colorless liquid with ammonia-like odor. It is miscible with water and flammable. It is a valuable intermediate in chemical industry.

Reactions

Isopropylamine exhibits reactions typical of other simple alkyl amines, i.e. protonation, alkylation, acylation, condensation with carbonyls. Like other simple aliphatic amines, isopropylamine is a weak base: the pK_a of [(CH₃)₂)CHNH₃]⁺ is 10.63.

Preparation and use

Isopropylamine can be obtained by reaction of isopropyl alcohol with ammonia in presence of a catalyst:

(CH₃)₂CHOH + NH₃ → (CH₃)₂CHNH₂ + H₂O

Isopropylamine is a building block for the preparation of many herbicides and pesticides including atrazine, bentazon, glyphosate, imazapyr, ametryne, desmetryn, prometryn, pramitol, dipropetryn, propazine, fenamiphos, and iprodione. It is a regulating agent for plastics, an intermediate in organic synthesis of coating materials, plastics, pesticides, rubber chemicals, pharmaceuticals and others, and is an additive in the petroleum industry.

External links

• International Chemical Safety Card 0908