Skip to Content
MilliporeSigma

Key Documents

View All Documentation

1.08418

Titriplex® III

for analysis (EDTA disodium salt), ACS reagent, ISO, reag. Ph. Eur.

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C10H14N2Na2O8 · 2H2O
CAS Number:
6381-92-6
Molecular Weight:
372.24
UNSPSC Code:
12352107
EC Index Number:
205-358-3
NACRES:
NA.21
Beilstein/REAXYS Number:
3900609
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Titriplex® III, for analysis, ACS reagent, ISO, reag. Ph. Eur.

grade

ACS reagent

Quality Level

200

agency

ISO, reag. Ph. Eur.

product line

Titripur®

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

reaction suitability

reaction type: Complexometric reactions

technique(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

Application

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

Other Notes

Elimination of water of crystallization: 110 °C
Replaces: EX0539; EX0539-3; EX0539-1; EX0539-5

Legal Information

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

Still not finding the right product?

Explore all of our products under Titriplex® III

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

hcodes

H332,H373

Hazard Classifications

Acute Tox. 4 Inhalation - STOT RE 2 Inhalation

target_organs

Respiratory Tract

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Protocols

Método analítico: Garantía de calidad analítica, patrón para sulfitos

Preparación de una disolución patrón para sulfitos

Método analítico: sulfitos en las gambas

Método: determinación fotométrica con ácido 2,2'-dinitro-5,5'-ditiodibenzoico (reactivo de Ellman)

Ammonium Photometric Determination in Drinking and Surface Water

Photometric determination of ammonium ions in drinking and surface water samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.

View All Protocols

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

Método analítico: Urea en el agua y las aguas residuales, determinación enzimática

Urea en el agua y las aguas residuales, determinación enzimática - Determinación fotométrica utilizando el método de azul de indofenol después de la escisión de la urea

Global Trade Item Number

SKUGTIN
138509-100G04061838732330
108418010004022536104263
108418025004022536104287
108418100004022536104300
108418500004022536104324
108418800104061838828842
108418902504022536104331