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[China]
Address: 7/f Sanqing Fengrun BLDG, No.100 South Gongye Roa
Contact name:Nancy
Zhonglan Industry Co.,Ltd |
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Toluene sulfonic acid
We are manufacturer of the product toluene sulfonic acid / PTSA with cas 104-15-4 with high quality, competitive price.
More about toluene sulfonic acid / PTSA
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 toluene sulfonic 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 toluene sulfonic acid / PTSA
1. Used for synthesis of doxycycline on medicine, dipyridamole, amoxicillin, hydroxyl ammonia benzyl cephalosporin intermediates such as important raw material;
2. Widely used in organic chemical industry; In dilute acid ester c, 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 curing speed, the film does not change color;
4. It Is also a synthetic ethoxy quinoline important raw materials, also widely used in pesticide synthesis industry, also used as electroplating intermediates.
Packing of toluene sulfonic acid / PTSA : 25kgs/bag,18tons/20fcl
Our factory and warehouse of toluene sulfonic acid / PTSA :
Why choose our toluene sulfonic acid / PTSA:
Professional technology———20yeas for p-toluenesulfonic acid / PTSA production experience
Capacity is 600tons/month
Exporting to abroad (Japan,USA,ect )—–all speak high of our p-toluenesulfonic acid / PTSA
Fresh stock &prompt delivery: min50tons fresh max 2months stock.
Shipment Safety: Small quantity–by courier (door to door service)
Large quantity–by sea/air CIF,DDU,DDP all ok for us
Here is the contact information of toluene sulfonic acid / PTSA :
Contact :Nancy
Mail: sale06(at)zhonglanindustry.com
Phone:+86-13402202010
Skype:Nancygao3786
