All Photos(2)

1.08418

Supelco

Titriplex® III

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

Synonym(s):
Edetate disodium salt dihydrate, Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, Edathamil, Disodium dihydrogen ethylenediaminetetraacetate, Ethylenediaminetetraacetic acid disodium salt, Ethylenediaminetetraacetic acid disodium salt dihydrate, EDTA-Na2, Sequestrene Na2
Empirical Formula (Hill Notation):
C10H14N2Na2O8 · 2H2O
CAS Number:
Molecular Weight:
372.24
Beilstein:
3900609
EC Index Number:
205-358-3

Quality Level

grade

ACS reagent

Agency/Method

reag. Ph. Eur.

product line

Titripur®

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

storage temp.

15-25°C

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

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Related Categories

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

pictograms

Exclamation markHealth hazard

signalword

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - STOT RE 2 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

11 - Combustible Solids

WGK Germany

WGK 2

Flash Point F

Not applicable

Flash Point C

Not applicable

Certificate of Analysis

Certificate of Origin

Articles

Analytical Method: Urea in Water and Wastewater, Enzymatic Determination

Urea in water and wastewater, enzymatic determination - Photometric determination using the indophenol blue method after cleavage of the urea

Protocols

Analytical Method: Analytical Quality Assurance, Standard for Sulfite

Preparation of a standard solution for Sulfite

Analytical Method: Sulfite in Shrimps

Method: Photometric determination with 2,2'-dinitro-5,5'-dithiodibenzoic acid (Ellman's reagent)

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