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Merck
CN

03778

乙二醇-双(2-氨基乙醚)-N,N,N′,N′-四乙酸

BioUltra, ≥99.0% (T)

别名:

Chel-DE, EGTA, 乙二醇醚二胺四乙酸, 乙烯-双(氧乙烯硝基)四乙酸, 依他酸

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线性分子式:
[-CH2OCH2CH2N(CH2CO2H)2]2
化学文摘社编号:
分子量:
380.35
EC Number:
200-651-2
UNSPSC Code:
12352200
MDL number:
Beilstein/REAXYS Number:
1717370
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InChI

1S/C14H24N2O10/c17-11(18)7-15(8-12(19)20)1-3-25-5-6-26-4-2-16(9-13(21)22)10-14(23)24/h1-10H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24)

InChI key

DEFVIWRASFVYLL-UHFFFAOYSA-N

SMILES string

OC(=O)CN(CCOCCOCCN(CC(O)=O)CC(O)=O)CC(O)=O

product line

BioUltra

assay

≥99.0% (T)

impurities

insoluble matter, passes filter test

ign. residue

≤0.05% (as SO4)

loss

≤1.0% loss on drying, 110 °C

mp

241 °C (dec.) (lit.)

solubility

0.1 M NaOH: 0.1 M at 20 °C, clear, colorless

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 263 nm in 1 M NaOH at 0.1 M

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Application

一种螯合剂,可在镁存在的情况下对钙进行测定。

Biochem/physiol Actions

乙二醇双(2-氨基乙醚)四乙酸(EGTA)A是一种螯合剂,可在镁存在的情况下对钙进行测定。

法规信息

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