Formula: (NH₂OH)₂·H₂SO₄
CAS: 10039-54-0
EC No.: 233-118-8
M (Molar Mass): 164.14 g/mol
D (Density): 1.88 g/cm³
mp (Melting Point): 170°C (decomposes)
bp (Boiling Point): Not applicable
Optical Rotation: Not applicable
Chemicals Properties
Assay (Titration): ≥ 99.0%
Appearance: Colorless or white crystals.
Identification (IR): Passes test.
Water Content (KF): ≤ 0.2%
Residue on Ignition: ≤ 0.05%
Sulfate (SO₄): 57.5–59.5%
Chloride (Cl): ≤ 0.005%
Heavy Metals (as Pb): ≤ 5 ppm
Iron (Fe): ≤ 5 ppm
Hazard Information
Hazard: Harmful if swallowed, causes severe skin burns and eye damage.
Safety: Handle in a fume hood with appropriate PPE (gloves, goggles, lab coat).
Storage: Store in a cool, dry, well-ventilated place. Keep container tightly closed. Hygroscopic.