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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)  

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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.

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Sodium 1,2-<WBR>naphthoquinone-<WBR>4-<WBR>sulfonate

for spectrophotometric det. of isonicotic hydrazide, amines and amino acids, ≥97.0% (T)

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
WGK Germany 
3
RTECS 
QK1490000

Protocols & Articles

Peer-Reviewed Papers

References

Set your institution to view full text papers.

1. Colorimetric determination of procaine hydrochloride in pharmaceutical preparations. Salama RB and Omer AI J. Pharm. Sci. 69(3), 346-8, (1980)

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Determination of biogenic amines in wines by pre-column derivatization and high-performance liquid chromatography coupled to mass spectrometry. García-Villar N, Hernández-Cassou S, and Saurina J J. Chromatogr. A 1216(36), 6387-93, (2009)

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Determination of biogenic amines in wines by ion-pair liquid chromatography and post-column derivatization with 1,2-naphthoquinone-4-sulphonate. Hlabangana L, Hernández-Cassou S, and Saurina J J. Chromatogr. A 1130(1), 130-6, (2006)

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Capillary electrophoresis determination of biogenic amines by field-amplified sample stacking and in-capillary derivatization. García-Villar N, Saurina J, and Hernández-Cassou S Electrophoresis 27(2), 474-83, (2006)

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Strategies for in-capillary derivatization of amino acids in capillary electrophoresis using 1,2-naphthoquinone-4-sulfonate as a labeling reagent. Latorre RM, Hernández-Cassou S, and Saurina J J. Chromatogr. A 934(1-2), 105-12, (2001)

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Participation of biological membranes in colloidal gold transformation by Micrococcus luteus cells. Levchenko LA, Sadkov AP, Marakushev SA, et al. Membr. Cell Biol. 11(1), 131-5, (1997)

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Derivatization strategies for the determination of biogenic amines in wines by chromatographic and electrophoretic techniques. Hernández-Cassou S and Saurina J J. Chromatogr. B. Analyt. Technol. Biomed. Life Sci. 879(17-18), 1270-81, (2011)

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Resolution of overlapped peaks of amino acid derivatives in capillary electrophoresis using multivariate curve resolution based on alternating least squares. Latorre RM, Saurina J, and Hernández-Cassou S Electrophoresis 21(3), 563-72, (2000)

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Study of the sensitization of tetradecyl benzyl dimethyl ammonium chloride for spectrophotometric determination of dopamine hydrochloride using sodium 1,2-naphthoquinone-4-sulfonate as the chemical derivative chromogenic reagent. Li Q, Li J, and Yang Z Anal. Chim. Acta 583(1), 147-52, (2007)

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Liquid chromatographic determination of aniline in table-top sweeteners based on pre-column derivatization with 1,2-naphthoquinone-4-sulfonate. Hernando D, Saurina J, and Hernández-Cassou S J. Chromatogr. A 859(2), 227-33, (1999)

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Spectrophotometric method for the determination of paracetamol and phenacetin. Nagaraja P, Murthy KC, and Rangappa KS J. Pharm. Biomed. Anal. 17(3), 501-6, (1998)

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Spectrophotometric study for the reaction between fluvoxamine and 1,2-naphthoquinone-4-sulphonate: Kinetic, mechanism and use for determination of fluvoxamine in its dosage forms. Darwish IA, Abdine HH, Amer SM, et al. Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 72(4), 897-902, (2009)

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Catalysis reaction between sodium 1,2-naphthoquinone-4-sulfonate and hydroxyl ion using captopril as catalyzer and determination of captopril. Gao L, Wu L, and Li Q Anal. Chim. Acta 626(2), 174-9, (2008)

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The effect of impermeable oxidants on the growth of neoplastic cells. Richardson DR and Richardson V In Vitro Cell. Dev. Biol. Anim. 34(1), 30-4, (1998)

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A kinetic spectrophotometric method for simultaneous determination of glycine and lysine by artificial neural networks. Hasani M, Yaghoubi L, and Abdollahi H Anal. Biochem. 365(1), 74-81, (2007)

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Spectophotometric methods for determination of cefdinir in pharmaceutical formulations via derivatization with 1,2-naphthoquinone-4-sulfonate and 4-chloro-7-nitrobenzo-2-oxa-1, 3-diazole. Gouda AA, Hashem H, and Hassan W Drug Test. Anal. 4(12), 991-1000, (2012)

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Spectrophotometric determination of aminomethylbenzoic acid using sodium 1,2-naphthoquinone-4-sulfonate as the chemical derivative chromogenic reagent. Li QM and Yang ZJ Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 66(3), 656-61, (2007)

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A method for the determination of dimethylamine in air by collection on solid support sorbent with subsequent derivatization and spectrophotometric analysis. Moliner-Martínez Y, Campíns-Falcó P, and Herráez-Hernández R J. Chromatogr. A 1059(1-2), 17-24, (2004)

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New spectrophotometric procedure for determining cefotaxime based on derivatization with 1,2-naphthoquinone-4-sulphonate into solid-phase extraction cartridges--application to pharmaceutical and urine samples. Martinez LG, Campíns-Falcó P, Sevillano-Cabeza A, et al. J. Chromatogr. B. Biomed. Sci. Appl. 718(1), 143-51, (1998)

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Spectrophotometric determination of ampicillin sodium in pharmaceutical products using sodium 1,2-naphthoquinone-4-sulfonic as the chromogentic reagent. Xu L, Wang H, and Xiao Y Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 60(13), 3007-12, (2004)

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Spectrophotometric determination of dapsone in pharmaceutical products using sodium 1,2-naphthoquinone-4-sulfonic as the chromogenic reagent. Wang HY, Xu LX, Xiao Y, et al. Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 60(12), 2933-9, (2004)

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Sensitive and selective spectrophotometric assay of gabapentin in capsules using sodium 1, 2-naphthoquinone-4-sulfonate. Abdulrahman SA and Basavaiah K Drug Test. Anal. 3(10), 748-54, (2011)

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Spectrophotometric determination of procaine hydrochloride in pharmaceutical products using 1,2-naphthoquinone-4-sulfonic acid as the chromogenic reagent. Xu LX, Shen YX, Wang HY, et al. Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 59(13), 3103-10, (2003)

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Spectrophotometric determination of boron based on charge transfer reaction. Ma L, Zhang Z, and Li Q Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 79(3), 599-602, (2011)

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Study of the sensitization of tetradecyl benzyl dimethyl ammonium chloride for the color development reaction between lysine and sodium 1,2-naphthoquinone-4-sulfonate and the determination of lysine in pharmaceutical and biological samples. Li Q and Zhang T Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 67(2), 360-7, (2007)

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A histochemical examination of the staining of kainate-induced neuronal degeneration by anionic dyes. Kiernan JA, Macpherson CM, Price A, et al. Biotech. Histochem. 73(5), 244-54, (1998)

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Merck 14,8646

Beil. 11,IV,668

Aldrich MSDS 1, 1339:C / Corp MSDS 1 (2), 2506:A / FT-IR 1 (2), 508:D / FT-IR 2 (2), 3250:C / IR-Spectra (3), 1164:C / RegBook 1 (2), 2215:A / Sax 6, 1051 / Sigma FT-IR 1 (2), 767:B / Structure Index 1, 347:B:7

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