1.09613
Toluene-4-sulfonic acid monohydrate
for analysis EMSURE® ACS
Synonym(s):
Toluene-4-sulfonic acid monohydrate, p-Toluenesulfonic acid, Tosylic acid, Tosic acid, PTSA
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
100 g | Check Cart for Availability | $49.20 |
500 g | Check Cart for Availability | $127.00 |
About This Item
grade
ACS reagent
Quality Segment
product line
EMSURE®
assay
≥99.0% anhydrous basis (acidimetric)
form
crystals
autoignition temp.
600 °C
potency
2570 mg/kg LD50, oral (Rat)
composition
Water, 9.5-11.5% Karl Fischer
impurities
≤0.1% Sulfated ash
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
anion traces
sulfate (SO42-): ≤0.3%
cation traces
Fe: ≤0.01%, Na: ≤0.002%, heavy metals (as Pb): ≤0.001%
storage temp.
15-25°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
Analysis Note
Identity: passes test
Appearance of solution: conforms
Sulphate (SO₄): ≤ 0.3 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.01 %
Na (Sodium): ≤ 0.002 %
TLC-Test: passes test
Sulfated ash: ≤ 0.1 %
Water (according to Karl Fischer): 9.5 - 11.5 %
Other Notes
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| form crystals | form crystals | form solid | form solid |
| assay ≥99.0% anhydrous basis (acidimetric) | assay - | assay 95.0-105.0% (anhydrous basis, T) | assay ≥98.5% |
| solubility 750 g/L | solubility 750 g/L | solubility - | solubility H2O: 10g + 50 mL, clear, colorless |
| Quality Level 300 | Quality Level 200 | Quality Level 100 | Quality Level 300 |
| grade ACS reagent | grade synthesis grade | grade analytical standard | grade ACS reagent |
| mp 56 °C (Elimination of water of crystallisation) | mp 56 °C (Elimination of water of crystallisation) | mp 103-106 °C (lit.) | mp 103-106 °C (lit.) |
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target_organs
Respiratory system
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Storage Class
8A - Combustible corrosive hazardous materials
Certificates of Analysis (COA)
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