• USA Home
  • 226017 - 1,2-Naphthoquinone-4-sulfonic acid sodium salt

EMAIL THIS PAGE TO A FRIEND

226017 Aldrich

1,2-Naphthoquinone-4-sulfonic acid sodium salt

97%

Synonym: 3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid sodium salt, Folin’s reagent, Sodium 1,2-naphthoquinone-4-sulfonate

  • CAS Number 521-24-4

  • Empirical Formula (Hill Notation) C10H5NaO5S

  • Molecular Weight 260.20

  •  Beilstein Registry Number 4169788

  •  EC Number 208-308-9

  •  MDL number MFCD00001700

  •  PubChem Substance ID 24853538

  • Popular Documents:  FTIR (PDF)  

Properties

Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfonic/Sulfinic Acids, Sulfur Compounds More...
assay   97%
mp   289 °C (dec.)(lit.)
solubility   alcohol: slightly soluble95%
  acetone: moderately soluble(lit.)
  benzene: insoluble(lit.)
  carbon disulfide: insoluble(lit.)
  chloroform: insoluble(lit.)
  diethyl ether: insoluble(lit.)
  petroleum ether: insoluble(lit.)
  water: soluble(lit.)

Description

Packaging

10 g in glass bottle

Application

1,2-Naphthoquinone-4-sulfonic acid sodium salt (Folin′s reagent) was used in the colorimetric assay for determination of procaine hydrochloride in pharmaceutical preparations1.

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.



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?