E9884

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E9884

Sigma-Aldrich

 

Ethylenediaminetetraacetic acid

ACS reagent, 99.4-100.06%, powder

Synonym:(Ethylenedinitrilo)tetraacetic acid, Edathamil, EDTA, Ethylenedinitrilotetraacetic acid
CAS Number:60-00-4
Linear Formula:(HO2CCH2)2NCH2CH2N(CH2CO2H)2
Molecular Weight:292.24
Beilstein Registry Number:1716295
EC Number:200-449-4
MDL number:MFCD00003541
PubChem Substance ID:24894705

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Description

ApplicationCalcium chelator used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals.

Properties

gradeACS reagent
assay99.4-100.06%
formpowder
total impurities≤0.005% Insol. dil. NH4OH
 ≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N)
ign. residue ≤0.2%
mp250 °C (dec.)(lit.)
cation tracesCa: ≤0.001%
 Fe: ≤0.005%
 Mg: ≤5 ppm
 heavy metals (as Pb): ≤0.001%

Safety

Personal Protective Equipmentdust mask type N95 (US), Eyeshields, Gloves
Hazard CodesXi
Risk Statements36-52/53
Safety Statements26-61
RIDADRUN3077 9/PG 3
WGK Germany2
RTECSAH4025000

References

MerckMerck 13,3546
BeilsteinBeil. 4,IV,2449
referenceAldrich MSDS 1, 903:B / Corp MSDS 1 (1), 1605:D / FT-IR 1 (1), 567:A / FT-IR 2 (1), 902:A / IR-Spectra (2), 303:F / IR-Spectra (3), 340:C / NMR-Reference 2 (1), 484:C / RegBook 1 (1), 647:H / Sax 6, 1340 / Sigma FT-IR 1 (2), 549:A / Structure Index 1, 94:C:7