8.14725

Toluene-4-sulfonic acid monohydrate

for synthesis

• Synonyme(s) : Toluene-4-sulfonic acid monohydrate, p-Toluenesulfonic acid, Tosylic acid, Tosic acid, PTSA
• Formule empirique (notation de Hill) : C₇H₈O₃S · xH₂O
• Numéro CAS: 6192-52-5
• Poids moléculaire : 172.20 (anhydrous basis)
• UNSPSC Code: 12352106
• EC Index Number: 203-180-0
• NACRES: NA.22
• MDL number: MFCD00142137
• Grade: synthesis grade
• Form: crystals
• Solubility: 750 g/L

Propriétés

• grade: synthesis grade
• Quality Segment: 200
• form: crystals
• 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
• storage temp.: 2-30°C
• SMILES string: [S](=O)(=O)([O-])c1ccc(cc1)C.[O+H3]
• 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

Description

Application

• Synthesis and characterization of toluene sulfonic acid (tsa) doped polypyrrole nanoparticles: Effect of dopant concentrations: This study investigates the effect of various concentrations of para-toluene sulfonic acid on the properties of polypyrrole nanoparticles, providing insights into the optimization of conductive polymers for applications in electronic devices and sensors (Alva et al., 2016).

Analysis Note

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

Informations sur la sécurité

• target_organs: Respiratory system
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Classe de stockage: 8A - Combustible corrosive hazardous materials