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Ores and Minerals

Our Complete range of products are Ponceau S, N N-Diethyl-P-Phenylenediamine Sulfate Salt ACS Grade, Nitroso R Salt, Par Indicator Monosodium Salt and Xylenol Orange Tetrasodium Salt ACS Grade.

Ponceau S

  • C.A.S. No. 62276-79-5
  • CI NO. 27195
  • M.F. C22H12N4Na4O13S4
  • M.W. 760.58gm/mole
  • Dye Content (by Spectrophotometry) >75%
  • Solubility 0.1% (Dist. water) Clear solution
  • Absorption max. (Dist. water) ?max 517-523nm
  • Absorptivity (A1%/1cm in Dist. water, at ?max) 460-600
  • Loss on drying (110°C) >10%
  • Suitability for microscopy Passes test
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N N-Diethyl-P-Phenylenediamine Sulfate Salt ACS Grade

  • C.A.S. No. 6283-63-2
  • Assay ( acidimetric) > 99.5%
  • Appearance white to off- white powder
  • pH ( 5% in water) 2.0-2.2
  • Solubility ( 1% in dist. water) Clear solution
  • Sulfated ash < 0.05%
  • Melting point 184-187°C
  • Loss On Drying (110°C) < 0.5%

Chemical Name

N, N-diethyl 4-phenylenediamine sulfate (1:1)

 

InChI Key

AYLDJQABCMPYEN-UHFFFAOYSA-N

 

Solubility

Soluble in water; slightly soluble in ethanol, methanol.

 

A product for proteomics research, N, N-Diethyl-p-phenylenediamine sulfate is used for the spectrophotometric determination of drugs such as salbutamol sulphate, ritodrine hydrochloride and isoxsuprine hydrochloride containing phenolic group.Use of N, N-diethyl-p-phenylenediamine sulphate for the spectrophotometric determination of some phenolic and amine drugs.

 

Applications:

N, N-Diethyl-p-phenylenediamine has been employed as a reference probe to investigate rapid chlorination rate constants by a stopped-flow spectrophotometric competition kinetics method. The reaction of chlorine and N, N-diethyl-p-phenylenediamine for sensitive square-wave voltammetric detection of chlorine has been studied and used to investigate the role of H2S in cardioprotection induced by ischemic preconditioning in rat heart, in spectrophotometric determination of gold(III) in gold-pharmaceuticals such as sodium aurothimaleate and auranofin and to investigate colonic tissue H2S production using the acetate trapping assay system.

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Nitroso R Salt

  • C.A.S. No. 525-05-3
  • M.F. C10H5O8NNa2S2 . xH2O
  • M.W. 377.26gm/mole
  • Solubility 0.1% (Dist. Water) Clear solution
  • Absorption maximum (0.1N NaOH) ?max 422-426nm
  • Absorptivity (A1%/1cm in 0.1N NaOH, at ?max) >200
  • Residue on ignition (as sulfate) 37%
  • Loss on drying (105°C) <1%
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Par Indicator Monosodium Salt

  • C.A.S. No. 16593-81-0
  • M.W. 255.21gm/mole
  • Dye Content (by Spectrophotometry) >90%
  • Solubility 0.1 % (Dist. water) Clear solution
  • Absorption Maximum (in Dist. water) ?max 411-413nm
  • Absorptivity (A1%/1cm in Dist. water ,at ?max) >1300
  • Loss on drying (110°C) <8%
  • Suitability as metal indicator Passes Test
  • Chemical Name 4-(2-Pyridylazo)resorcinol
  • InChI Key VLCAILLZPUINNF-LCYFTJDESA-N
  • Solubility Soluble in acetone, alcohol, and dilute aqueous alkali. Soluble in water.

1-(2-Pyridylazo)-2-resorcinol (PAR), an orange colored dye, is commonly used as an acid-base indicator. It can form chelates with metal ions, which makes it a valuable indicator in complexometric titrations. 1-(2-Pyridylazo)-2-resorcinol is an indicator in complexometry and a reagent for the extraction and spectrophotometric determination of many transition metals.

 

Applications:

4-(2-Pyridylazo)resorcinol monosodium salt is a useful indicator in complexometry, as well as a reagent for the extraction and spectrophotometric determination of many transition compounds. It is a highly selective and sensitive reagent for cobalt and iron. 4-(2-Pyridylazo)resorcinol monosodium salt is also a useful reagent for selective determination of trace level chrome(III) by ion-pair reversed-phase high-performance liquid chromatography.

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Xylenol Orange Tetrasodium Salt ACS Grade

  • C.A.S. No. 3618-43-7
  • M.F. C31H28N2SO13Na4
  • M.W. 760.59gm/mole
  • Solubility 0.1% (Dist. water) Clear solution
  • Absorption maximum (0.1N NaOH) ?max 575-580nm
  • Absorptivity (A1%/1cm in 0.1N NaOH, at ?max) >620
  • Loss on drying (110°C) <8%
  • Suitability for Zinc titration Passes test

Chemical Name

Tetrasodium N, N'-(3H-2, 1-benzoxathiol-3-ylidenebis((6-hydroxy -5-methylphen-3, 1-ylene)methylene))bis(N-(carboxylatomethyl)aminoacetate) S, S-dioxide

 

InChI Key

FXYMNKLSOQONJB-UHFFFAOYSA-J

 

Solubility

Almost insoluble in acetone, alcohol. Soluble in water and dilute aqueous alkali.

 

Xylenol Orange tetrasodium salt is a salt form of Xylenol orange. Xylenol Orange is a fluorochrome useful in single and polychrome sequential labeling because it remains fixed to calcified tissues until removal of bone minerals. The fluorescence in xylenol orange is in contrast to the fluorescence of other known dyes thus allowing for easier identification of certain regions of a slide. In addition, the fluorescence labeling sites are the same for xylenol orange and other tetracylines such as fluoresceins and calcein blue. Further studies have shown that xylenol orange is used to detect lipid hydroperoxide in low density lipoproteins by oxidizing ferrous ions from Fe2+ to Fe3+ under acidic conditions. After oxidation of ferrous ions, a Fe3+ xylenol orange complex is formed which can be measured spectrophotometrically at 560 nm.

 

Applications:

Xylenol Orange tetrasodium salt is used as a photometric reagent and a metal indicator. An organic reagent, most commonly used as a tetrasodium salt as an indicator for metal titrations. It is a versatile indicator for EDTA titrations in acidic range. It is a common organic reagent used as an indicator for metal titrations.Fluorochrome useful in single and polychrome sequential labeling of calcifying tissues because it remains fixed to calcified tissues until removal of bone minerals. Can also be used to detect lipid hydroperoxide in low density lipoproteins by oxidizing ferrous ions from Fe2+ to Fe3+ under acidic conditions. After oxidation of ferrous ions, a Fe3+ Xylenol orange complex is formed which can be measured spectrophotometrically at 560 nm.

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Disodium Salt


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