- Search Product
-
-
- Region :China/Shandong
- Tel : +86-533-7785828
- Fax :
- Email :zblikechem@sina.cn
- URL :www.likechemical.com
- Add :809 room,No.818,Linzi Ave,Linzidistrict,ZiboCity,Shandong Province
- Details for PTSA
-
PTSA 70-55-3
Category : Organic chemicals and Derivatives
CAS NO : 70-55-3 EC NO : 200-741-1 MF : C7H9NO2S MW : 171.2169 Product description : English name: P-Toluene Sulfonic acid (short for PTSA)
Aliases: p-methylbenzenesulfonic acid, p-toluenesulfonic acid-hydrate, 4-methylbenzenesulfonic acid
Molecular formula: C7H8O3S•H2O
Molecular weight: 190.2
CAS number: 104-15-4, 6192-52-5 (p-toluenesulfonic acid-hydrate)
Implementation standard: Q/HXY 006-2016
EINECS No.: 203-180-0 UN NO.: 2585
HS Code: 2904100000
Product technical indexes are as follows:Item/Indexes
Mother liquor
Crude
Industrial Grade
Pharmaceutical Grade
Refined Grade
Reagent grade
Total acidity ≥% (as sulfonic acid)
40-65
90
93/95
95/97
98/99
98/99
Free acid ≤%
20-40
3-6
3/2.5
2.5/ 0.7
0.5/0.3
0.3/0.1
Moisture (excluding crystal water) ≤%
/
4-12
4/3
3/2.5
1.5/1
1
Fe++ ≤ppm
/
/
50
30/20
20/ 10
10
Residue on ignition ≤%
/
/
/
0.2
0.2
0.02
Melting point (℃)
/
/
/
/
100
10 3
Ethanol dissolution test
/
/
/
qualified
qualified
qualified
Water solubility test
/
/
/
qualified
qualified
qualified
Color
Yellow and black
gray white
white
white
white
white
Can be customized according to customer requirementsCan be produced according to customer requirements
Packaging: It is divided into Chinese, English, blank and other packaging. The inner packaging is a double-layer film bag, and the outer packaging is: plastic woven, kraft paper, cardboard barrel, etc., with a net weight of 25 kg. Various types of packaging can be customized according to user needs.
The main purpose:
1. It is an important raw material for the synthesis of doxycycline, dipyridamole, amoxicillin, cefadroxil intermediates, etc. in medicine.
2. Widely used as a catalyst in organic chemical synthesis (such as ester products, textile auxiliaries, photographic films, electronic products, new materials, etc.).
3. It is widely used as a curing agent in resin, coating, artificial board, casting, paint and other industries, with fast curing speed and no discoloration of the paint film.
4. Widely used in chemical synthesis such as medicine and pesticides.
5. Used as a catalyst in electronics, new polymer materials, flavors and fragrances, and daily chemical products.
Synonyms : PASAM;p-Toluenesulphonamide;Para-Toluene Sulfonamide;Ortho Para-Toluene Sulfonamide;P-TOLUENE SULFONAMIDE;P-toluene sulfonylamine;Photoinitiator-6105l;Toluene-4-sulphonamide;4-Toluene sulfonamide;4-Methylbenzenesulfonamide;PTSA;Toluene-4-sulfonamide;p-Toluenesulfonylamide;P-toluene Sulfonamine(PTSA); Molecular Structure : 
- Inquire
-
PTSA