Skip to Content
Merck
All Photos(1)

Key Documents

310743

Sigma-Aldrich

1,3,(6,7)-Naphthalenetrisulfonic acid trisodium salt hydrate

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
C10H5(SO3Na)3 · xH2O
CAS Number:
Molecular Weight:
434.31 (anhydrous basis)
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

form

solid

functional group

sulfonic acid

SMILES string

O.[Na+].[Na+].[Na+].[O-]S(=O)(=O)c1ccc2c(cc(cc2c1)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C10H8O9S3.3Na.H2O/c11-20(12,13)7-1-2-9-6(3-7)4-8(21(14,15)16)5-10(9)22(17,18)19;;;;/h1-5H,(H,11,12,13)(H,14,15,16)(H,17,18,19);;;;1H2/q;3*+1;/p-3

InChI key

XJQMXRPUYORHKQ-UHFFFAOYSA-K

Application

1,3,(6,7)-Naphthalenetrisulfonic acid trisodium salt hydrate can be used as:
  • An anionic chromophore in capillary electrophoresis.
  • An anionic dopant for the polymerization of pyrrole.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Adriana Nori de Macedo et al.
Analytical chemistry, 85(22), 11112-11120 (2013-10-17)
New methods for quantitative analysis of strong anions are required for diagnostic testing of human diseases. Current techniques suffer from poor selectivity and/or long analysis times that are not amenable for labile anions in high-saline or volume-restricted samples. We introduce

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