Hydroxylamine Hydrochloride Overview

Names and Identifiers

Hydroxylamine hydrochloride, with the CAS number 5470-11-1, is a crucial chemical compound known by various names, including Oxammonium, NH2OH·HCl, and Hydroxylamine HCl among others. 

This white crystalline substance has a molar mass of approximately 69.49 g/mol and exhibits a density of 1.67 g/mL at 25°C.

Physical Properties:

• Appearance: Characterized by its white needle-like crystals.

• Color: Typically a pristine white or off-white hue.

• Melting Point: It decomposes at a range of 155-157°C.

• Boiling Point: At standard atmospheric pressure, it boils at 56.5°C.

• Water Solubility: Highly soluble, with the capacity to dissolve up to 560 g/L at 20°C.

• Solubility: While soluble in water, alcohol, and glycerin, it remains insoluble in cold water and ether.

Storage:

For optimal preservation, store Hydroxylamine hydrochloride between +15°C to +25°C in a cool, well-ventilated area, strictly away from sources of heat and ignition.

Applications:

This versatile compound finds its applications across several industries:

• As a reducing agent and an imaging agent in various chemical processes.

• In the preparation of oxime derivatives in organic synthesis.

• As a precursor in the synthesis of essential pharmaceutical compounds, including hydroxyurea (used in cancer treatment), sulfamethoxazole (a sulfa drug), and methomyl (a pesticide).

• In electroanalysis as a depolarization agent.

• As a short-term non-coloring stop agent in the synthetic rubber industry.

• For determining the degree of acetalization in chemical reactions.

Safety and Handling:

Given its chemical properties, it's imperative to handle Hydroxylamine hydrochloride with care, following all established safety guidelines and using appropriate storage conditions to ensure stability and reactivity.