Product Details:
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Product: | P-Toluene Sulfonic Acid | MF: | C7H8O3S |
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Appearance: | White Crystal | Flash Point: | 41 ℃ |
Alias: | Methylbenzenesulfonic Acid; Toluenesulfonic Acid; Tosic Acid | Application: | Stabilizer, Catalyst, Curing Agent And Intermediate |
Highlight: | 95% P Toluenesulfonic Acid,P Toluenesulfonic Acid,ptsa acid |
P-Toluene Sulfonic Acid PTSA Medicines Intermediate And Coatings Intermediate
Item/index | Industrial grade | Medical grade | Refined grade | Reagent grade |
Total acidity ≥%(sulfonic acid) | 93 | 95 | 97 | 99 |
Free acid ≤% | 3 | 2 | 0.7 | 0.1 |
Moisture(not includingcrystal water )≤% | 4 | 3 | 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 |
1. Medicine used in the synthesis of doxycycline (hydrogen,. Yi doxycycline and Lynn doxycycline etc.), dipyridamole, amoxicillin, cephalosporins hydroxylamine benzyl D860 pharmaceutical intermediates and other important raw materials.
2. Widely used in organic chemical industry.In acrylate, textile auxiliaries, photographic film, polymerization of stabilizer and organic synthesis catalyst (esters).
3. In resin, paint, man-made board, casting, paint and other industries are widely used as curing agent, and fixed speed, the film does not change color.
4. P Toluenesulfonic Acid also a synthetic ethoxy quinoline important raw materials.
5. P Toluenesulfonic Acid widely used in pesticide synthesis industry (dicofol) chloramine T, paint, Cli acid, etc.
Contact Person: Jessic
Tel: +86 13928889251
Fax: 86-020-22307821