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 1.834 g / cm3
Formula H3PO4
Molecular Weight 98.00 g/mol
Vapor Density 3.4 (air=1)