8-p-toluidinonaphthalene-1-sulphonic acid

  • Name:8-p-toluidinonaphthalene-1-sulphonic acid
  • CAS:129-90-8
  • Purity:99%
Inquiry

Details

Factory supply good quality 8-p-toluidinonaphthalene-1-sulphonic acid 129-90-8 with stock

  • Molecular Formula:C17H15 N O3 S
  • Molecular Weight:313.377
  • Boiling Point:°Cat760mmHg 
  • Flash Point:°C 
  • PSA：74.78000 
  • Density:1.37g/cm3 
  • LogP:5.29230 

8-p-toluidinonaphthalene-1-sulphonic acid(Cas 129-90-8) Usage

General Description

8-p-toluidinonaphthalene-1-sulphonic acid, also known as 8-TNS, is a fluorescent dye commonly used in biochemical and pharmaceutical research. It has a molecular formula of C17H15NO3S and a molar mass of 317.37 g/mol. 8-TNS is soluble in water, alcohol, and ether and has a strong absorption peak at 340 nm and an emission peak at 449 nm, making it suitable for use in fluorescence microscopy and flow cytometry. It is commonly employed as a pH probe and as a fluorescent indicator for the determination of protein conformational changes. Additionally, 8-TNS is used in the study of the binding and transport of solutes in biological membranes and has applications in the food industry for the detection of contaminants. Due to its versatile and valuable properties, 8-p-toluidinonaphthalene-1-sulphonic acid is widely utilized in various scientific and industrial fields.

InChI:InChI=1/C17H15NO3S/c1-12-8-10-14(11-9-12)18-15-6-2-4-13-5-3-7-16(17(13)15)22(19,20)21/h2-11,18H,1H3,(H,19,20,21)

129-90-8 Relevant articles

INTRAMOLECULAR DONOR-ACCEPTOR SYSTEMS. 10. MULTIPLE FLUORESCENCES FROM 8-(PHENYLAMINO)-1-NAPHTHALENESULFONATES.

Kosower,Kanety

, p. 6236 - 6243 (2007/10/02)

8-(phenylamino)-1-naphthalenesulfonates ...

129-90-8 Process route

<i>p</i>-toluidine
106-49-0,12221-03-3

p-toluidine

8-anilino-1-naphthalenesulfonate
82-75-7

8-anilino-1-naphthalenesulfonate

8-<(4-methylphenyl)amino>-1-naphthalenesulfonate
129-90-8

8-<(4-methylphenyl)amino>-1-naphthalenesulfonate

Conditions
Conditions Yield
at 160 ℃; for 48h;
1%
at 140 - 150 ℃;
With hydrogenchloride; man erhitzt die Loesung unter Druck auf 150grad;
With water; at 155 ℃;
With p-toluidine hydrochloride; at 160 - 170 ℃;
<i>p</i>-toluidine
106-49-0,12221-03-3

p-toluidine

8-<(4-methylphenyl)amino>-1-naphthalenesulfonate
129-90-8

8-<(4-methylphenyl)amino>-1-naphthalenesulfonate

Conditions
Conditions Yield
With benzoic acid; at 190 ℃;

129-90-8 Upstream products

  • 106-49-0
    106-49-0

    p-toluidine

  • 82-75-7
    82-75-7

    8-anilino-1-naphthalenesulfonate

Related Products