Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

B24066 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4"-disulfonic acid monosodium salt hydrate, 97%

CAS Number
3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4',4''-disulfonic acid monosodium salt hydrate
PDT-sulfonate monosodium salt hydrate

Stock No. Size Price ($) Quantity Availability
B24066-03 1g 34.90
B24066-06 5g 103.00
B24066-14 25g 393.00
Add to Cart Add to Quote Request View Item

5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4"-disulfonic acid monosodium salt hydrate, 97%


Chemical Properties

Formula Weight
Storage & Sensitivity
Ambient temperatures.
Soluble in water (partly).


5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine-4,4"-disulfonic acid monosodium salt hydrate is used in the accurate determination of sub microgram levels of serum iron. (i.e.. reagent for the spectrophotometric determination of Fe).


Store in a cool, dry place in tightly closed container. Store at room temperature. Incompatible with oxidizing agents.

Literature References

D Plaut; E Miller; J MacQueen; R Blanchard. Direct and indirect assays of serum iron with a sensitive new color reagent. The American journal of medical technology. 1972, 38 (3), 82-89.

F Ceriotti; G Ceriotti. Improved direct specific determination of serum iron and total iron-binding capacity. Clinical Chemistry. 1980, 26 (2), 327-331.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • A11398

    2,9-Dimethyl-1,10-phenanthroline hemihydrate, 98+%
  • A13184

    Sodium acetate, anhydrous, 99%
  • A17056

    Sodium salicylate, 99%
  • B20932

    Metaphosphoric acid, 39-43%, bal. NaPO<sub>3</sub> (Stabilizer)
  • B23504

    Dichloroisocyanuric acid sodium salt, 97% (dry wt.)

Recently Viewed


Life Science

Metals & Materials


Analytical & Labware