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1.08452

乙二胺四乙酸（EDTA）

Name: 乙二胺四乙酸（EDTA）
Brand: MM

suitable for titration

别名:

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

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关于此项目

经验公式（希尔记法）:

C₁₀H₁₆N₂O₈

化学文摘社编号:

60-00-4

分子量:

292.24

UNSPSC Code:

12352106

EC Index Number:

200-449-4

NACRES:

NA.21

MDL number:

MFCD00003541

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属性

产品名称

乙二胺四乙酸（EDTA）, Ethylenedinitrilotetraacetic acid. CAS 60-00-4, pH 2.5 (10 g/l, H₂O, 23 °C) (slurry).

vapor pressure

<0.013 hPa ( 20 °C)

Quality Level

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

说明

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 %

flash_point_c

Not applicable

pictograms

GHS07

signalword

Warning

hcodes

H319

pcodes

P264 - P280 - P305 + P351 + P338 - P337 + P313

Hazard Classifications

Eye Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 2

flash_point_f