- Cas NO.:6192-52-5
- Molecular Formula:C7H8O3S?H2O
- Melting Point:103-106℃
- Boiling Point:140℃(20.2527 torr)
- Stability:Stable. Incompatible with strong oxidizing agents, strong bases, most common metals. Protect from moisture.
- Water Solubility:soluble
- Refractive index:1,382-1,384
- Flash Point:180℃
- Appearance:White powder
- usage:Bleaching agents, reductants, pharmaceutical intermediates
- Brand Name:Weifang Youke International Trading Co,Ltd
Packaging & Delivery
- Packaging Detail:It is divided into Chinese, English, blank and other packages, with a net weight of 25 kilograms
- Delivery Detail:within 10 work days after order confirmed and payment arrived
Executive standard：Q/320511 XXH01-2001
UN NO.：2585HS NO.：2904100000
|Item/index||mother liquor||The coarse product||Pharmaceutical grade||Pharmaceutical grade||refined grade||Reagent grade||Special grade|
|Total acidity ≥%(sulfonic acid)||40-60||90||93||95||97||99||99|
|Free acid ≤%||20-40||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||/|
|Ignition residue ≤%||/||/||/||0.2||0.2||0.02||/|
|Alcohol solution test(10%）||/||/||clarify||clarify||clarify||clarify||clarify|
|Water solution test（10%）||/||/||clarify||clarify||clarify||clarify||clarify|
|Packing||Chinese, English, blank packing, each kind of packing is plastic woven bag lined with two layers of film bag, bag of 25 kg net each. For the convenience of users, our company can according to user requirements to provide specific packaging (e.g., 25 kilogram cardboard barrels, etc.).|
|Main application||used for synthesis of doxycycline on medicine, dipyridamole, amoxicillin, hydroxyl ammonia benzyl cephalosporin intermediates such as important raw material; 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 important raw materials, also widely used in pesticide synthesis industry, also used as electroplating intermediates.|
|Notes||p-toluene sulfonic acid is 8 classes of dangerous goods, tax refund 9%, no regulatory conditions.Our company can provide dangerous package certificate according to customer requirements, MSDS, identification of dangerous goods.|
|Service system||1.Mixed container service.we can mix different items in one container for you.
2.Quality control service.we'll take free sample for test before shippment,and after shipment,keep sample at least for three months.
3.Packing service.Packging as your request,with photo before shipment.
4.Professional loading service.we'll provide you with professional loading,after shipment,we check the container,take pictures and make records.
|Our advantages||1.We have full experience of large numbers containers loading
2.We have complete phosphoric acid,polyphosphoric acid production lines.
3.Our factory is near to Qingdao Port of China
4.We can pack with pallet as buyer's special request
5.We provide fast shipment by reputed shipping line
6.Cargoes photo before and after loading into container
|Delivery Detail||within 10 work days after order confirmed and payment arrived|