Benzenesulfonic acid, mono- and dialkyl derivs., magnesium salts
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Properties
Appearance    (1), solid.
Solubility    insoluble in water to soluble in water. Solubility is associated with the length of carbon chain and substitution degree.
Stability    stable.
Risk    Solid form: flammable material; irritation, moderate irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.6) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent emulsifying, dispersing, solubilizing, lubricating abilities.
Synthesis
Currently, sulfonation reaction through continuous reactor (such as: falling film reactor) is the most widely used method for preparing sulfonates.