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1.08418 Supelco

Titriplex® III

for analysis (ethylenedinitrilotetraacetic acid, disodium salt dihydrate) ACS,ISO,Reag. Ph Eur

Synonym: Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt, Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, EDTA-Na2, Edathamil, Edetate disodium salt dihydrate, Ethylenediaminetetraacetic acid disodium salt dihydrate, Sequestrene Na2

  • CAS Number 6381-92-6

  • Empirical Formula (Hill Notation) C10H14N2Na2O8 · 2H2O

  • Molecular Weight 372.24

  •  Beilstein/REAXYS Number 3900609

  •  EC Index Number 205-358-3

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Properties

Quality Level   100
grade   ACS reagent
  Reag. Ph. Eur.
  reag. ISO
form   solid
potency   >2000 mg/kg LD50, oral (Rat)
reaction suitability   reaction type: Complexometric reactions
application(s)   titration: suitable
pH   4-5 (20 °C, 50 g/L in H2O)
mp   248 °C (dec.) (lit.)
bulk density   700 kg/m3
SMILES string   O.O.O.O.[Na+].[Na+].[Na+].[Na+].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC(O)=O.OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O
InChI   1S/C10H16N2O8.2Na.2H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;2*1H2/q;2*+1;;/p-2
InChI key   OVBJJZOQPCKUOR-UHFFFAOYSA-L
storage conditions   Store at +15°C to +25°C.

Description

Application

Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Linkage

Replaces: EX0539; EX0539-3; EX0539-1; EX0539-5

Other Notes

Elimination of water of crystallization: 110 °C

Legal Information

Titriplex is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & Articles

Articles

Analytical Method: Ammonium in curative water

Cat.No. 114944  Rectangular cells 50 mm Cat.No. 114739  Spectroquant® Ammonium Cell Test Cat.No. 114558  Spectroquant® Ammonium Cell Test Cat.No. 114752  Spectroquant® Ammonium Test Cat.No. 116754  W...
Keywords: Precipitation, Sample preparations

Analytical Method: Ammonium in drinking and surface water

Cat.No. 114944  Rectangular cells 50 mm Cat.No. 114739  Spectroquant® Ammonium Cell Test Cat.No. 114558  Spectroquant® Ammonium Cell Test Cat.No. 114752  Spectroquant® Ammonium Test Cat.No. 116754  W...
Keywords: Precipitation, Sample preparations

Analytical Method: Analytical Quality Assurance, Standard for Sulfite

Reagents: Cat.No. 106657  Sodium sulfite for analysis Cat.No. 108418  Titriplex® III for analysis Cat.No. 116754  Water for analysis   Preparation of a standard solution: Dissolve 1.57 g of sodium su...

Analytical Method: Boron in soils

Cat.No. 109751  Spectroquant® Photometer NOVA 60 or Cat.No. 173632  Spectroquant® Colorimeter Move 100 
Keywords: Sample preparations

Analytical Method: Calcium in Wine

Cat.No. 114944  Rectangular cells 50 mm Cat.No. 100858  Spectroquant® Calcium Cell Test Cat.No. 108418  Titriplex® III for analysis Cat.No. 116754  Water for analysis   Titriplex® III solution: Disso...
Keywords: Sample preparations

Analytical Method: Sulfite in shrimps

Cat.No. 114944  Rectangular cells 50 mm Cat.No. 101746  Spectroquant® Sulfite Test Cat.No. 109535  MColorpHastTM Universal indicator strips pH 0 - 14 Cat.No. 137085  Sodium hydroxide solution 0.05 mo...
Keywords: Indicators, Sample preparations

Analytical Method: Urea in water and wastewater, enzymatic determination

Cat.No. 173017  Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018  Spectroquant® UV/VIS Spectrophotometer Prove 600 or Cat.No. 109751  Spectroquant® Photometer NOVA 60 Cat.No. 114544...

Enzymatic Determination of Urea in Water and Wastewater - Analytical Method

Cat.No. 109751  Spectroquant® Photometer NOVA 60 Cat.No. 114544  Spectroquant® Ammonium Cell Test Cat.No. 106578  tri-Sodium phosphate dodecahydrate for analysis Cat.No. 106346  Sodium dihydrogen pho...

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