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  • 8.14725 - Toluene-4-sulfonic acid monohydrate

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8.14725 Sigma-Aldrich

Toluene-4-sulfonic acid monohydrate

for synthesis

Synonym: Toluene-4-sulfonic acid monohydrate, p-Toluenesulfonic acid, Tosylic acid, Tosic acid, PTSA

  • CAS Number 6192-52-5

  • Empirical Formula (Hill Notation) C7H8O3S · xH2O

  • Molecular Weight 172.20 (anhydrous basis)

  •  MDL number MFCD00142137

  •  EC Index Number 203-180-0

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Properties

Related Categories Camostat Mesylate, Chemical Synthesis, Chemicals for the synthesis of candidate COVID-19 treatments, Darunavir
Quality Level   200
autoignition temp.   600 °C
potency   2570 mg/kg LD50, oral (Rat)
pH   1 (20 °C, 650 g/L in H2O, anhydrous substance)
bp   140 °C/27 hPa
mp   56 °C (Elimination of water of crystallisation)
transition temp   flash point 180 °C
solubility   750 g/L
bulk density   510 kg/m3
InChI   1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2
InChI key   KJIFKLIQANRMOU-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (acidimetric, calc. on anhydrous substance): ≥ 98.0 %
Water (K. F.): 8.0 - 12.0 %
Identity (IR): passes test

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles
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