UN Number UN1805
CAS Number 7664-38-2
Appearance Syrupy, viscous, clear liquid
Flash Point Not Flammable
Boiling Point 158°C (316°F)
Color Clear liquid
Relative Density 1.69 g/cm3 at 25°C (77°F)
Formula H3PO4
Molecular Weight 98.00 g/mol
Vapor Density 3.4