EMAIL THIS PAGE TO A FRIEND
86090 Sigma-Aldrich

Sulfanilic acid

puriss. p.a., ≥99.0% (T)

Synonym: 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid

  • CAS Number 121-57-3

  • Linear Formula 4-(H2N)C6H4SO3H

  • Molecular Weight 173.19

  •  Beilstein Registry Number 908765

  •  EC Number 204-482-5

  •  MDL number MFCD00007886

  •  PubChem Substance ID 24888523

Purchase

Properties

Related Categories Acids, Acids & Bases, Amines, Analytical Reagents, Analytical Reagents for General Use,
InChI Key   HVBSAKJJOYLTQU-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ≥99.0% (T)
form   powder or crystals
impurities   ≤1% ortho/meta-aminobenzene sulfonic acid (HPLC)
ign. residue   ≤0.01% (as SO4)
mp   >300 °C(lit.)
anion traces   chloride (Cl-): ≤20 mg/kg
  nitrite (NO2-): ≤0.5 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

Application

Sulfanilic acid may be used for the functionalization of single-walled carbon nanotubes (SWNTs) with aryl sulfonate groups.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
WP3895500
Protocols & Articles

Related Content

Molarity Calculator and Normality Calculator for Acids and Bases

The molarity calculator tool provides lab-ready directions describing how to prepare an acid or base solution of specified Molarity (M) or Normality (N) from a concentrated acid or base solution.  To...

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?