Pharmaceutical Materials

CAS Number: 110-60-1

Molecular Formula: C4H12N2

Molecular Weight: 88.15 g/mol

Appearance: White crystalline solid with a fishy odor

Melting Point: 27-28 °C Boiling Point: 158-159 °C

Usage: Used as an intermediate in organic synthesis, pharmaceuticals, and biochemical research.

1,4-Butanediamine, also known as tetramethylenediamine or putrescine, is an organic compound with the CAS number 110-60-1. It exists as a colorless crystal or liquid with a distinct odor resembling hexahydropyridine. This amine serves as an important intermediate in organic synthesis, particularly in the pharmaceutical and biochemical industries. It is also a biomarker indicating pollution-induced stress in certain plants, such as barley and rape, when exposed to chromium ions. Due to its amino group reactivity, 1,4-butanediamine can undergo a variety of chemical reactions, including condensation, substitution, and ring formation.

Property	Value
Chemical Formula	C4H12N2
CAS Number	110-60-1
Physical Properties	–
Appearance	Colorless crystals or liquid
Odor	Resembling hexahydropyridine
Density	0.865 g/cm³ (or 0.9±0.1 g/cm³)
Melting Point	27-28°C
Boiling Point	158-160°C
Refractive Index	1.455-1.4567
Flash Point	51.7°C
Chemical Properties	–
Molecular Weight	88.151 g/mol
Solubility	Highly soluble in water
Vapor Pressure	436 Pa at 25°C
pKa	10.8 at 20°C
Stability	Stable; incompatible with acids, acid chlorides, acid anhydrides, and strong oxidizing agents

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