Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

251283

Sigma-Aldrich

Sulfanilic acid sodium salt hydrate

97%

Synonym(s):

4-aminobenzenesulfonic acid sodium salt hydrate

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
4-(H2N)C6H4SO3Na·xH2O
CAS Number:
123333-70-0
Molecular Weight:
195.17 (anhydrous basis)
EC Number:
208-208-5
MDL number:
MFCD00151043
UNSPSC Code:
12352100
PubChem Substance ID:
57648116
NACRES:
NA.21

Quality Level

100

Assay

97%

form

crystals

functional group

sulfonic acid

SMILES string

O.[Na+].Nc1ccc(cc1)S([O-])(=O)=O

InChI

1S/C6H7NO3S.Na.H2O/c7-5-1-3-6(4-2-5)11(8,9)10;;/h1-4H,7H2,(H,8,9,10);;1H2/q;+1;/p-1

InChI key

VDGKZGAQOPUDQL-UHFFFAOYSA-M

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H317,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCP3180
MKCM6794
MKCF8698
MKCD5638
MKBX9320V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Xiaomin Zhu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 10(16), 3871-3878 (2004-08-19)
The synthesis of 4-N-[3',4',5'-tris(dodecyloxy)benzamido]benzene-4-sulfonic acid (1) and 4'-[3",4",5"-tris(dodecyloxy)benzoyloxy]azobenzene-4-sulfonic acid (2) is described. Pure acid 1 is stable, while 2 can be stored only in solution. Both acids were obtained from their sodium salts and were quantitatively transformed into the pyridinium
Synthesis, chemical modification, and surface assembly of carbon nanowires.
Amma A, et al.
Advances in Functional Materials, 13(5), 365-370 (2003)

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

Contact Technical Service