Millipore Sigma Vibrant Logo

101922 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate

101922
View Pricing & Availability

Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
149-45-1 205-741-5 C₆H₄Na₂O₈S₂ * H₂O 332.22 g/mol

Pricing & Availability

Catalog Number AvailabilityPackaging Qty/Pack Price Quantity
1019220100
Retrieving availability...
Limited AvailabilityLimited Availability
Stocked 
Discontinued
Limited Quantities Available
Available
    Remaining : Will advise
      Remaining : Will advise
      Will advise
      Contact Customer Service
      Contact Customer Service

      Glass bottle 100 g
      Retrieving price...
      Price could not be retrieved
      Minimum Quantity is a multiple of
      Maximum Quantity is
      Upon Order Completion More Information
      You Saved ()
       
      Request Pricing
      Description
      Catalogue Number101922
      Synonyms1,2-Dihydroxy-3,5-benzenedisulfonic acid disodium salt, di-Sodium 4,5-dihydroxy-1,3-benzenedisulfonate, Sodium pyrocatechol-3,5-disulfonate, Tiron
      References
      Product Information
      CAS number149-45-1
      EC number205-741-5
      Hill FormulaC₆H₄Na₂O₈S₂ * H₂O
      Molar Mass332.22 g/mol
      HS Code2908 99 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ200
      Applications
      Biological Information
      Physicochemical Information
      Melting Point300 °C
      pH value5.0 (10 g/l, H₂O, 20 °C)
      Bulk density465 kg/m3
      Solubility1350 g/l
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H315: Causes skin irritation.
      H319: Causes serious eye irritation.
      Precautionary Statement(s)P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      Signal WordWarning
      Storage class10 - 13 Other liquids and solids
      WGKWGK 3 highly hazardous to water
      Disposal3
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Hazard Symbols Hazard SymbolsIrritant
      Categories of dangerirritant
      R PhraseR 36/38
      Irritating to eyes and skin.
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      Identity (UV/VIS-Spectrum)passes test
      Absorption maximum λmax. (buffer pH 2.5)290 - 291 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.05 g/l; buffer pH 2.5; calculated on anhydrous substance)100 - 125
      Water (according to Karl Fischer)4.5 - 6.5 %
      Suitability as indicator (for metal titration)passes test

      Documentation

      3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate SDS

      Title

      Safety Data Sheet (SDS) 

      3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate Certificates of Analysis

      Product Number PackagingSpecificationLot Number
      1019220100 Glass bottlePDF Specification Document