Ortho -Phosphoric Acid is widely used in synthesis and formulation workflows as a versatile inorganic acid and phosphorus compound. Its molecular formula is H3O4P, with a molecular weight of 97.995. This compound exhibits a Melting Point of 42.2 °C and boils at temperatures above 130.0 °C under standard pressure conditions. Due to its corrosive nature, it carries a Danger signal word, and It may cause severe skin burns, eye damage, and harm if swallowed.

• CAS Number: 7664-38-2
• Melting Point: 42.2 °C
• GHS Signal Word: Danger
• Molecular Weight: 97.995
• Vapour Density: Relative vapor density
• Boiling Point: greater than 130.0 °C
• Exact Mass: 97.97689557
• Molecular Formula: H3O4P
• Hazard Statements:
• H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H290: May be corrosive to metals [Warning Corrosive to Metals]
• H302: Harmful if swallowed [Warning Acute toxicity, oral]