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HomeProduct name list4-Aminotoluene-3-sulfonic acid

4-Aminotoluene-3-sulfonic acid

Synonym(s):2-Amino-5-methylbenzenesulfonic acid;4-Methylaniline-2-sulfonic acid

  • CAS NO.:88-44-8
  • Empirical Formula: C7H9NO3S
  • Molecular Weight: 187.22
  • MDL number: MFCD00007908
  • EINECS: 201-831-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-08 20:21:46
4-Aminotoluene-3-sulfonic acid Structural

What is 4-Aminotoluene-3-sulfonic acid?

Description

4-Aminotoluene-3-sulfonic acid is produced by baking p-toluidine sulfate at 180 ℃ and 97 – 101 mbar, dissolving the product in 3 % sodium hydroxide solution, and precipitating the free acid by adding concentrated hydrochloric acid.

Chemical properties

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The Uses of 4-Aminotoluene-3-sulfonic acid

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

Non flammable

Properties of 4-Aminotoluene-3-sulfonic acid

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
form  powder to crystal
pka -1.35±0.42(Predicted)
color  White to Light red to Green
Water Solubility  32g/L(19 ºC)
BRN  2211509
CAS DataBase Reference 88-44-8(CAS DataBase Reference)
EPA Substance Registry System 4-Aminotoluene-3-sulfonic acid (88-44-8)

Safety information for 4-Aminotoluene-3-sulfonic acid

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H314:Skin corrosion/irritation
H318:Serious eye damage/eye irritation
H320:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P310:Immediately call a POISON CENTER or doctor/physician.
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

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