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Chemical Name: p-Toluenesulfonic acid
CAS No.: 104-15-4
Molecular Fomula: C7H8O3S
Item Specifications
Water ≤3.5%
Content % ≥95%
Free acid ≤2%
Fe assay ≤50ppm
Appearance White crystal
| Item/index | Industrial grade | Medical grade | Refined grade | Reagent grade |
| Total acidity ≥%(sulfonic acid) | 93.0 | 95.0 | 97.0 | 99.0 |
| Free acid ≤% | 3.0 | 2.0 | 0.7 | 0.1 |
| Moisture(not includingcrystal water )≤% | 4.0 | 3.0 | 2.3 | 0.9 |
| Fe++ ≤ppm | 50 | 30 | 20 | 10 |
| Ignition residue ≤% | / | 0.2 | 0.2 | 0.02 |
| Melting point(oC) | / | / | / | 102-105 |
| Ethanol solubility expenriment | qualified | qualified | qualified | qualified |
| Water solubility expenriment | qualified | qualified | qualified | qualified |
Application
p-toluene sulfonic acid is widely used as catalyst agent in the synthesis of pharm, pesticides, polymerization stabilizer and organic synthesis (esters, etc.), paint intermediates and resin curing agent. And it is also the commonly used acid catalyst in organic synthesis.
Packaging & Shipping
Packaging: we can pack the goods according to the requirement of the client.
Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the packaged product to direct sunlight.
Can I get samples?How to pay?
A: Yes, we can supply small free sample, you need to pay for the freight charge only.
PI will be sent firstly after our aligned products specification. Payment by T/T, Western Union,LC, are ok.
How is your MOQ?
A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is100% paid.
How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
If you still have questions, contact with us .
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