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RDD017

Sigma-Aldrich

Ethylenediaminetetraacetic acid

anhydrous, free-flowing, powder, Redi-Dri, ACS reagent, 99.4-100.6%

Synonym(s):

(Ethylenedinitrilo)tetraacetic acid, EDTA, Edathamil, Ethylenedinitrilotetraacetic acid

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About This Item

Linear Formula:
(HO2CCH2)2NCH2CH2N(CH2CO2H)2
CAS Number:
Molecular Weight:
292.24
Beilstein/REAXYS Number:
1716295
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.77

grade

ACS reagent

Quality Level

product line

Redi-Dri

assay

99.4-100.6%

form

powder

quality

anhydrous
free-flowing

reaction suitability

reagent type: chelator

technique(s)

cell culture | mammalian: suitable

impurities

≤0.005% Insol. Dil. NH4OH
≤0.1% Nitrilotriacetic acid [[HOCOCH23N]

ign. residue

≤0.2%

pH

2.5 (23 °C, 10 g/L)

mp

250 °C (dec.) (lit.)

solubility

H2O: soluble 0.4 g/L at 20 °C

density

1.46 g/cm3 at 20 °C

cation traces

Ca: ≤0.001%
Fe: ≤0.005%
Mg: ≤5 ppm
heavy metals (as Pb): ≤0.001%

SMILES string

OC(=O)CN(CCN(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

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Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Articles

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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