Ethylenediaminetetraacetic acid dipotassium salt dihydrate
SIAL/03660 - puriss. p.a., ≥99.0% (KT)
Synonym: (Ethylenedinitrilo)
CAS Number: 25102-12-9
Empirical Formula (Hill Notation): C10H14K2N2O8 · 2H2O
Molecular Weight: 404.45
EC Number: 217-895-0
Linear Formula: HOOCCH2(KOOCCH2)NCH2CH2N(CH2COOK)CH2COOH · 2H2O
Product Type: Chemical
anion traces | chloride (Cl-): ≤50 mg/kg |
sulfate (SO42-): ≤200 mg/kg | |
assay | ≥99.0% (KT) |
cation traces | Ca: ≤10 mg/kg |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Na: ≤1000 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
grade | puriss. p.a. |
InChI | 1S/C10H16N2O8.2K.2H2O/c13 |
InChI key | JFROQFOCFOKDKU-UHFFFAOYSA |
mp | 255-280 °C (dec.) (lit.) |
pH | 4-5 (25 °C, 50 mg/mL in H2O) |
Quality Level | 200 ![]() |
SMILES string | O.O.O.O.[K+].[K+].[K+].[K |
Application: | Ethylenediaminetetraaceti • A mobile phase modifier in the separation of UV filters using HPLC. • A chelating agent in the determination of traces of beryllium compound by colorimetric method. |
Application: | Used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H332 |
Precautionary statements | P261 - P271 - P304 + P340 + P312 |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 2 |
Purity | ≥99.0% (KT) |
mp | 255-280 °C (dec.) (lit.) |
UNSPSC | 12352100 |