Phosphoric Acid

Category:

Application

Used to clarify the cane juice and  to make sugar with better lustre and quality. In Food and beverages, used as acidifying agent and as tart flavouring agent in beverages such as various colas.

Chemical formula

H3PO4

Molar mass

97.994 g·mol−1

Appearance

Colorless solid

Odor

Odorless

Density

1.6845 g/cm3 (25 °C, 85%),1.834 g/cm3 (solid)

Melting Point

42.35 °C (108.23 °F; 315.50 K) anhydrous
29.32 °C (84.78 °F; 302.47 K) hemihydrate

Boiling Point

212 °C (414 °F) (only water evaporates)

Solubility in water

392.2 g/(100 g) (−16.3 °C)
369.4 g/(100 mL) (0.5 °C)
446 g/(100 mL) (15 °C)
548 g/(100 mL) (20 °C)

Solubility

Soluble in ethanol

log P

-2.15

Vapor pressure

0.03 mmHg (20 °C)[8]

conjugate base

Dihydrogen phosphate

Magnetic susceptibility (χ)

−43.8·10−6 cm3/mol

Refractive index (nD)

1.3420 (8.8% w/w aq. soln.)
1.4320 (85% aq. soln) 25 °C

Viscosity

2.4–9.4 cP (85% aq. soln.)
147 cP (100%)

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