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[Chemical Knowledge]：Properties and Uses of NPG

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N-propyl propylamine (NPG) in the chemical production of raw materials in the field of properties and use

N-propyl propylamine (NPG) is an organic compound, belongs to a kind of amine compounds. Its molecular formula is C6H15N, and its structure contains an amine group (-NH2) and three propyl (-C3H7) groups. NPG has good chemical and thermal stability, and can remain stable under high temperature and acidic conditions.

NPG properties:

1. physical properties: NPG is a colorless and transparent liquid, with the pungent odor of amines. Its density is smaller than water, insoluble in water, but can be miscible with many organic solvents.

2. Chemical properties: The amine group of NPG is alkaline and can react with acid to form salt. In addition, NPG is also reductive and can react with oxidants to form the corresponding oxides.

NPG Uses:

1. Surfactants: NPG can be used as a raw material for non-ionic surfactants, such as propyl betaine, propyl sulfobetaine, etc. These surfactants have good antistatic, viscosity reduction, emulsification, dispersion and other properties, and are widely used in textile, printing and dyeing, papermaking, leather, chemical and other fields.

2. preservatives: NPG has a certain bactericidal and antibacterial effect, can be used as food, cosmetics and other products of preservatives. It is used in combination with other preservatives to enhance the preservative effect.

3. Solvent: NPG can be used as a solvent for some specific chemical reactions, such as olefin polymerization, transesterification, etc.

4. pharmaceutical intermediates: NPG can be used to synthesize some pharmaceutical intermediates, such as antihistamines, anti-tumor drugs, etc.

In conclusion, N-propylpropylamine (NPG) has a wide range of uses as a raw material for chemical production. In different application fields, NPG plays different roles, but we need to understand its nature and use in order to better play its role.

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