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We are manufacturer of the product p-toluenesulfonic acid / PTSA with cas 104-15-4 with high quality, competitive price.
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Synonyms: paratoluene sulphonic acid , p-toluenesulfonic acid , pts acid , p-toluene sulphonic acid , p-toluenesulfonic acid anhydrous , p toluenesulfonic acid monohydrate , ptsa , toluenesulfonic acid
CAS: 104-15-4
MF: C7H8O3S
MW: 172.2
EINECS: 203-180-0
Here is the specification for p-toluenesulfonic acid / PTSA
|
Item/index |
The coarse product |
Pharmaceutical grade |
Pharmaceutical grade |
refined grade |
Reagent grade |
Special grade |
|
Total acidity ≥%(sulfonic acid) |
90 |
93 |
95 |
97 |
99 |
99 |
|
Free acid ≤% |
3-6 |
3 |
2/1 |
0.7/0.5 |
0.3 |
0.1 |
|
Moisture (not includingcrystal water )≤% |
4-12 |
4/2 |
3.5 |
2.3 |
1.9/0.9 |
/ |
|
Fe++ ≤ppm |
/ |
70/50 |
50/30 |
30/20 |
20/10 |
/ |
|
Ignition residue ≤% |
/ |
/ |
0.2 |
0.2 |
0.02 |
/ |
|
Melting point（℃） |
/ |
/ |
/ |
100 |
103 |
105 |
|
Alcohol solution test |
/ |
/ |
qualified |
qualified |
qualified |
qualified |
|
Water solution test |
/ |
/ |
qualified |
qualified |
qualified |
qualified |
|
Color |
white |
white |
white |
white |
white |
white |
Usage of the product p-toluenesulfonic acid / PTSA
used for synthesis of doxycycline on medicine, dipyridamole, amoxicillin, hydroxyl ammonia benzyl cephalosporin intermediates such as
Widely used in organic chemical industry; In dilute acid ester c, textile auxiliaries, photographic film, polymerization of stabilizer and organic synthesis catalyst (esters);
In resin, paint, man-made board, casting, paint and other industries are widely used as curing agent, and curing speed, the film does not change color;
Is also a synthetic ethoxy quinoline
Packing of p-toluenesulfonic acid / PTSA: 25kgs/bag, 18tons/20fcl
Why Choose Us:
1. Lowest price
The price we offered is from the lowest price in China, No commission, no margin.
2. Strict quality control system
We take responsibility for the whole process of the deal. Our factory all have ISO Certificate, we have strict quality control system, All of our technicians are professional , they are strictly on quality control.
Before order, we can send the sample for your testing. We ensure the quality is the same as bulk quantity.
SGS is acceptable.
3. Prompt delivery
We have good cooperation with many professional forwarders here, We can send the product to you once you confirm the order.
4. Flexible payment term
We can accept flexible payment terms such as T/T LC at sight or DP etc.
Getchem is a professional platform of p-toluenesulfonic acid / PTSA.