Organic Intermediate China Supply Chemical CAS: 104-15-4 P-Toluene Sulfonic Acid

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QINGDAO SINSUR CHEMICAL CO., LTD.

VIP   Audited Supplier 10 years
Profile Certified by SGS/BV
Industry Grade
104-15-4
C7h8o3s
203-180-0
Synthesis Material Intermediates
Powder
Industrial
White
93-99%
106-107 ºC
2585
4%Max.
1.24G/Cm3
41 ºC
Soluble
172.202
SINSUR
25kg Bag
Industry Grade
China
2904100000
Product Description
Product Description

P-toluene sulfonic acid(PTSA) is an organic compound. It is  a white extremely hygroscopic solid that is soluble in water, alcohols, and other polar organic solvents. PTSA is a strong organic acid. It is about one million times stronger than benzoic acid. It is one of the few strong acids that is solid and therefore is conveniently weighted and stored.

Specification:

Test Item Unit Tech. GradePharma GradeRefined GradeReagent Grade
Appearance--White crystalline powderWhite crystalline powderWhite crystalline powderWhite crystalline powder
Total Acid%93.0Min.95.0Min.97.0Min.99.0Min.
Free Acid(H2SO4)%3.0Max.2.0Max.0.7Max.0.1Max.
Moisture%4.0Max.3.5Max.2.3Max.0.9Max.
Ironppm50Max.30Max.20Max.10Max.
Residue on Ignition%--0.2Max.0.2Max.0.02Max.
Application

1 As curing agent. In coating, resin, artificial board, casting, oil paint industries, PTSA is used as curing agent;
2 In medicine(such as doxycycline), pesticides(like three dicohol), PTSA is widely used.
3 In organic chemicals, PTSA is widely used.
4 Stabilizer. In acrylate, textile auxiliary agent, photographic film, polyreaction, it is used as stabilizer.

Packaging & Shipping

Our Advantages

 

Glad to take this opportunity to introduce our service to you as follows:
•Supply of all kinds of food ingredients and raw materials;
•Price trend and purchase advice;
•Technical support;
•Value-added service, say, subpackage; 
• Mixed container shipment arrangement;
Logistic, storage.

Our advantages are:
1 Professional: with more than 15years food additives export experience, we understand our customers' needs easily and completely;
2 Quality and delivery: quality is the life of our company. We put quality as our first consideration in any single order. We only supply our customers the first-class products.
Normally we can arrange all the delivery by sea, by air or by train within the stipulated period. If by sea, we put cardboard in all sides of the container in order to avoid moist; if possible, we palletize all products.
3 Credibility: credibility is the base of our company. We may be not the best, but we are the one as what we have said
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