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4-methylbenzenesulfonic acid 104-15-4 6192-52-5

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Last update: 2016-10-19 07:36
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Catalyst and Auxiliary/Catalyst

4-methylbenzenesulfo<em></em>nic acid
CAS NO : 104-15-4 6192-52-5
EC NO :
MF : C18H25NO7S
MW : 399.4586
Specification : 90%、93%、95%、96%、97%、98%、99%
Packing : 25 kg /bag, packed inbags, inner with plastics.
Product description : 4-methylbenzenesulfonic acid,PTSA
The Product Description of P-Toluene Sulfunic acid
English nameP-Toluene Sulfonic acid( PTSA
Molecular formula:C7H8O3SH2O  
Molecular weight190.2
CAS No.:104-15-46192-52-5 
Executive standardQ/320511 XXH01-2001
EINECS:203-180-0
UN NO.2585
HS NO.2904100000
Technical index:

Item/index
mother liquor
The coarse product
Pharmaceutical grade
Pharmaceutical grade
refined grade
Reagent grade
Special grade
Total acidity ≥%(sulfonic acid)
40-65
90
93/95
95/97/99
97/99
99
/
Free acid ≤%
20-40
3-6
3/2.5
2/0.5
0.7/0.3
0.1
/
Moisture(not includingcrystal water )≤%
/
4-12
4
3.5
2.3
1.9
/
Fe++ ≤ppm
/
/
50
30
20
10
/
Ignition residue ≤%
/
/
/
0.2
0.2
0.02
/
Melting point(℃)
/
/
/
/
100
103
 
Alcohol solution test
/
/
/
qualified
qualified
qualified
qualified
Water solution test
/
/
/
qualified
qualified
qualified
qualified
Color
/
white
white
white
white
white
white
Packing
25 kg /bag, packed inbags, inner with plastics.
use
It is mainly used in medicine, pesticides, fuel, such as chemical and detergent industry, also used in plastics and printing and coating industry and so on. 

 
Uses : It is mainly used in medicine, pesticides, fuel, such as chemical and detergent industry, also used in plastics
Synonyms : L-glutamic acid diallyl ester*P-toluenesulfonate;H-Glu(OAll)-OAll.p-tosylate;diallyl (2S)-2-aminopentanedioate; 4-methylbenzenesulfonic acid;H-GLU(OALL)-OALL P-TOSYLATE;H-Glu(OAll)-OAll;
Molecular Structure : 4-methylbenzenesulfo<em></em>nic acid 104-15-4  6192-52-5
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