Product Name:	5-Sulfosalicylic acid dihydrate
Synonyms:	Benzoicacid,2-hydroxy-5-sulfo-,dihydrate;Salicylicacid,5-sulfo-,dihydrate;5-Sulfosalicylicaciddihydrate,ACS,99.0%min.; 5-SULFOSALICYLICACIDDIHYDRATEELEC;5-SULFOSALICYLICACIDDIHYDChemicalbookRATEACSREAGENT; 5-SULFOSALICYLICACIDDIHYDRATE,REAGENTPLUSTM,>=99%;5-SULFOSALICYLICACIDDIHYDRATE,FORELECTROPHORESIS; 5-SULFOSALICYLICACID-2-HYDRATER.G.ANDFORMETALTITRATION,REAG.ACS
CAS:	5965-83-3
MF:	C7H10O8S
MW:	254.21
EINECS	641-618-6

5-Sulfosalicylic acid dihydrate

Density	0,8 g/cm3
Bulk Density	310 kg/m³
Boiling point	100 °C
Melting point	105-110 °C(lit.)
Flash Point	150 °C
Solubility	H₂O: 1 M at 20 °C, clear, colorless
pH Value	< 0.5 (200g/l, H₂O, 20 °C)
Storage temp.	Store below +30°C.

Form	Powder
Color	White

Usage

Uses

1. Chemical Analysis and Testing

As a colorimetric reagent for Fe³⁺ ions, it is used for ion detection, water quality analysis, and laboratory chemical analysis; it forms a characteristic purple complex with iron ions.

2. Medicine and Skin Care

It has antibacterial, anti-inflammatory, and astringent properties, and is used in skin medications, preservatives, or as a pharmaceutical excipient. It is sometimes used to treat acne or skin infections.

3. Industrial and Laboratory Reagent

It is used as a chelating agent, precipitating agent, and metal ion separator, and is widely applied in industrial production, water treatment, and chemical experiments.

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