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4-Aminotoluene-3-sulfonic acid

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4-Aminotoluene-3-sulfonic acid Basic information

Product Name:
4-Aminotoluene-3-sulfonic acid
Synonyms:
  • PTMS
  • PTMSA
  • P-TOLUIDINE-2-SULFONIC ACID
  • P-TOLUIDINE-M-SULFONIC ACID
  • 6-amino-m-toluenesulfonicaci
  • kyselina4-toluidin-3-sulfonova
  • p-Methylaniline-2-sulfonicaicd
  • p-Toluidine-2-sulfonicscid
CAS:
88-44-8
MF:
C7H9NO3S
MW:
187.22
EINECS:
201-831-3
Product Categories:
  • Organics
  • Intermediates of Dyes and Pigments
  • Intermediates
Mol File:
88-44-8.mol
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4-Aminotoluene-3-sulfonic acid Chemical Properties

Melting point:
300 °C
Boiling point:
500°C (rough estimate)
Density 
1.431
refractive index 
1.6100 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
water: soluble6g/L at 20°C
pka
-1.35±0.42(Predicted)
form 
powder to crystal
color 
White to Light red to Green
Water Solubility 
32g/L(19 ºC)
BRN 
2211509
LogP
-0.67 at 25℃
CAS DataBase Reference
88-44-8(CAS DataBase Reference)
EPA Substance Registry System
4-Aminotoluene-3-sulfonic acid (88-44-8)
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Safety Information

Hazard Codes 
T,C,Xi
Risk Statements 
45-34-36
Safety Statements 
53-26-27-28-36/37/39-45-28A
RIDADR 
UN 2585 8/PG 3
WGK Germany 
2
RTECS 
XT6320000
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
29214300

MSDS

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4-Aminotoluene-3-sulfonic acid Usage And Synthesis

Chemical Properties

BEIGE CRYSTALLINE POWDER

Uses

4-Aminotoluene-3-sulfonic acid was used to investigate the enrichment of aminobenzoic acids and aminotoluenesulfonic acids using graphitized carbon black (GCB) by solid-phase extraction. It was also used in the synthesis of azobenzene derivatives.

General Description

4-Aminotoluene-3-sulfonic acid acts as Schiff base ligand and forms binary and ternary complexes with Co(II), Ni(II), Cu(II) and Zn(II) ions.

Flammability and Explosibility

Nonflammable

4-Aminotoluene-3-sulfonic acid Preparation Products And Raw materials

Preparation Products

Raw materials

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