Hydroxylamine Hydrochloride For Organic Synthesis >98% - 500g

Hydroxylamine Hydrochloride

Other Names: Hydroxyammonium chloride, Hydroxylammonium chloride
Chemical Formula: NH₂OH·HCl
Molar Mass: 69.49 g/mol
CAS Number: 5470-11-1
Purity: >98%
Appearance: White crystalline solid
Odor: Odorless or faintly ammoniacal

Hydroxylamine hydrochloride is an inorganic salt composed of hydroxylamine and hydrogen chloride. It is commonly used as a reducing agent and intermediate in various chemical syntheses and analytical procedures.

Chemical and Physical Properties

• Density: ~1.67 g/cm³

• Melting Point: 155–157 °C (decomposes)

• Solubility in Water: Highly soluble (~80 g/100 mL at 20 °C)

• Solubility in Alcohol: Slightly soluble

• Stability: Stable when dry; decomposes under heat and in the presence of reducing agents

• pH (1% solution): ~3.5–5.5

Applications

• Organic Synthesis: Reagent for the conversion of aldehydes and ketones to oximes; preparation of hydroxamic acids.

• Analytical Chemistry: Used in redox titrations and as a selective reducing agent in spectrophotometric analyses.

• Materials Chemistry: Intermediate in the production of specialty polymers and coatings.

• Photographic and Imaging Materials: Previously used in chemical development processes.

Safety

Signal Word: ⚠️ Danger

Hazard Statements:

• H302: Harmful if swallowed

• H312: Harmful in contact with skin

• H332: Harmful if inhaled

• H314: Causes severe skin burns and eye damage

• H410: Very toxic to aquatic life with long lasting effects

Precautionary Statements:

• P260: Do not breathe dust or vapors

• P280: Wear protective gloves, clothing, eye and face protection

• P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting

• P303+P361+P353: IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse skin with water

• P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

• P501: Dispose of contents/container in accordance with local/regional/national regulations

Handling and Storage

• Storage: Store in a tightly closed container in a cool, dry, and well-ventilated place. Keep away from heat, moisture, and incompatible substances such as reducing agents and oxidizers.

• Handling: Avoid dust formation. Use in a fume hood with appropriate PPE (gloves, goggles, protective clothing, dust mask if necessary).

Environmental Considerations

Very toxic to aquatic organisms with long-lasting effects. Prevent environmental release and dispose of waste properly in accordance with local environmental regulations.