p-Toluenesulfonic acid monohydrate ≥98.5% ACS

Supplier: BeanTown Chemical

Synonyms: 4-Methylbenzenesulphonic acid hydrate, Toluene-4-sulphonic acid monohydrate

140280-100G 140280-500G
BT140280-100GEA 33.93 USD
BT140280-100G BT140280-500G
p-Toluenesulfonic acid monohydrate ≥98.5% ACS
p-Toluenesulphonic acid monohydrate

CAS: 6192-52-5; EC No: 203-180-0; MDL No: MFCD00142137; RTECS: XT6300000 UN No: UN2585; Haz Class: 8; Packing Group: III Crystalline; Linear Formula: CH3C6H4SO3H·H2O; Molecular Formula: C7H8O3S·H2O; MW: 190.22 Melting Point: 103-106°; Boiling Point: 140°/22 mmHg; Flash point: 150°C (302°F) Density (g/mL): 1.24 Hygroscopic


  • RTECS: XT6300000
  • Hygroscopic
  • Crystalline

Formula: C₇H₈O₃S·1H₂O
MW: 190.22 g/mol
Boiling Pt: 140 °C/22 mmHg
Melting Pt: 103…106 °C
Density: 1.24 g/mL
Flash Pt: 150 °C (302 °F)
MDL Number: MFCD00142137
CAS Number: 6192-52-5
EINECS: 203-180-0
UN: 2585
ADR: 8,III

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Specification Test Results

Assay 98.5% min.
Clarity of solution Passes test
Residue on ignition ≤0.1%
Water 9.5-11.5%
Sulfate (SO4) ≤0.3%
Heavy metals (as Pb) ≤0.001%
Iron (Fe) ≤0.01%
Sodium (Na) ≤0.002%

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