Formula: H₂SeO₃
CAS: 7783-00-8
EC No.: 231-974-7
M (Molar Mass): 128.97 g/mol
D (Density): 3.0 g/cm³ (approx.)
mp (Melting Point): Decomposes at 70°C
bp (Boiling Point): Not applicable
Optical Rotation: Not applicable
Chemicals Properties
Assay (as H₂SeO₃): ≥ 93.0 %
Appearance: White crystalline powder or granules. Hygroscopic.
Identification: Passes test for Selenite.
Solubility: Very soluble in water.
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.01 %
Selenium (Se): ≤ 0.1 %
Hazard Information
Hazard: Toxic if swallowed, in contact with skin or if inhaled. Causes severe skin burns and eye damage.
Safety: Do not breathe dust. Use only in a fume hood. Wear protective gloves, clothing, eye protection, and face protection.
Storage: Store in a tightly closed container in a cool, dry, well-ventilated place.
