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310743

Sigma-Aldrich

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

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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

Quality Level

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


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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

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