Density1.639 gl (gas, 0 c), 1.194 (liq., -26 c)
Color (APHA)15.0 Max
Calcium2.0 ppm Max
Free Chlorine3.0 ppm Max (as Cl2)
Lead0.2 ppm Max
Fluoride2.0 ppm Max
Degrees Baumรฉ20.0 - 23.0
HCl Content31.5 - 38.0% by weight
Arsenic0.1 ppm Max
Iron0.5 ppm Max
Sulfate10.0 ppm Max
Bromide50.0 ppm Max
Organics1.0 ppm Max
Non-Volatile Residue15.0 ppm Max
pH1.1 (0.1 n soln.)
Insolubilityin hydrocarbons
Melting Point-114.3 c
Odorpungent odor
Molecular weight36.46
Colorcolorless fuming gas or liquid
Solubilitywater, alcohol, ether, benzene
Boiling Point-84.8 c