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1.08452

Ethylenedinitrilotetraacetic acid

suitable for titration

Synonym(s):

Ethylenedinitrilotetraacetic acid, EDTA, Edetic acid, Diaminoethane-tetraacetic acid

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About This Item

Empirical Formula (Hill Notation):
C10H16N2O8
CAS Number:
60-00-4
Molecular Weight:
292.24
UNSPSC Code:
12352106
EC Index Number:
200-449-4
NACRES:
NA.21
MDL number:
MFCD00003541
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Product Name

Ethylenedinitrilotetraacetic acid, Ethylenedinitrilotetraacetic acid. CAS 60-00-4, pH 2.5 (10 g/l, H2O, 23 °C) (slurry).

vapor pressure

<0.013 hPa ( 20 °C)

Quality Segment

100

assay

99-101% (complexometric)

form

solid

autoignition temp.

>200 °C

potency

2580 mg/kg LD50, oral (Rat)

reaction suitability

reaction type: Complexometric reactions

technique(s)

titration: suitable

pH

2.5 (23 °C, 10 g/L in H2O, slurry)

mp

220 °C (decomposition)

transition temp

flash point >400 °C (DIN 51758)

solubility

water: ~0.5 g/L at 20 °C

density

0.86 g/cm3 at 20 °C

bulk density

600 kg/m3

cation traces

Fe: ≤0.001%, heavy metals (as Pb): ≤0.001%

storage temp.

no temp limit

SMILES string

N(CCN(CC(=O)O)CC(=O)O)(CC(=O)O)CC(=O)O

InChI

1S/C10H16N2O8/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)

InChI key

KCXVZYZYPLLWCC-UHFFFAOYSA-N

Application


  • Photo-Fenton oxidation of cylindrospermopsin at neutral pH with LEDs.: This study investigates the use of photo-Fenton processes catalyzed by Ethylenedinitrilotetraacetic acid (EDTA) under neutral pH conditions, optimizing reaction parameters for environmental applications (Ortiz et al., 2023).

  • Mixtures of chelating agents to enhance photo-Fenton process at natural pH: Influence of wastewater matrix on micropollutant removal and bacterial inactivation.: Research shows how EDTA, when used in combination with other chelators, enhances the efficiency of the photo-Fenton process at natural pH levels for water treatment, focusing on micropollutant degradation and pathogen inactivation (López-Vinent et al., 2021).

  • A new route to "bifunctional" chelating agents: conversion of amino acids to analogs of ethylenedinitrilotetraacetic acid.: Describes a synthetic method to transform standard amino acids into bifunctional analogs of EDTA, expanding the utility of these chelators in biochemical and industrial applications (Yeh et al., 1979).

Analysis Note

Assay (complexometric): 99 - 101 %
Identity (IR-spectrum): conforms
in ammonia insoluble components: ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Nitrilotriacetic acid: ≤ 0.1 %
Sulfated ash: ≤ 0.1 %
Water (according to Karl Fischer): ≤ 0.2 %

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

target_organs

Respiratory Tract

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - STOT RE 2 Inhalation

wgk

WGK 3

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