4-methylbenzenesulfonic acid

• Category :

  Catalyst and Auxiliary/Catalyst

• 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;

• CAS NO :

  104-15-46192-52-5

• EC NO :

• Molecular Formula :

  C₁₈H₂₅NO₇S

• Molecular Weight :

  399.4586

• Main Specifications :

  90%、93%、95%、96%、97%、98%、99%

• InChI :

  InChI=1/C11H17NO4.C7H8O3S/c1-3-7-15-10(13)6-5-9(12)11(14)16-8-4-2;1-6-2-4-7(5-3-6)11(8,9)10/h3-4,9H,1-2,5-8,12H2;2-5H,1H3,(H,8,9,10)/t9-;/m0./s1

• Packing :

  25 kg /bag, packed inbags, inner with plastics.

• Product description :

  4-methylbenzenesulfonic acid,PTSA
  The Product Description of P-Toluene Sulfunic acid
  English name：P-Toluene Sulfonic acid( PTSA）
  Molecular formula：C7H8O3SH2O  
  Molecular weight：190.2
  CAS No.:104-15-4，6192-52-5 
  Executive standard：Q/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

• Molecular Structure :