SX1220
5-Sulfosalicylic Acid, Dihydrate
Synonym(s):
2-Hydroxybenzoic-5-Sulfonic Acid, Dihydrate
vapor pressure
<1 hPa ( 20 °C)
form
crystals
pH
<0.5 (20 °C, 200 g/L in H2O)
mp
109-117 °C (decomposition)
transition temp
flash point 150 °C
solubility
987 g/L
storage temp.
room temp
Application
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Analysis Note
Assay:99.0-101.0%
Chloride (Cl):0.001% max
Color:White to off-white
Form:Crystals
Heavy metals (as Pb):0.002% max
Insoluble matter:0.02% max
Iron (Fe):0.001% max
Residue after ignition:0.1% max
Salicylic acid (HOC6H4COOH):0.04% max
Sulfate (SO4):0.02% max
Chloride (Cl):0.001% max
Color:White to off-white
Form:Crystals
Heavy metals (as Pb):0.002% max
Insoluble matter:0.02% max
Iron (Fe):0.001% max
Residue after ignition:0.1% max
Salicylic acid (HOC6H4COOH):0.04% max
Sulfate (SO4):0.02% max
Regulatory Information
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