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Merck
CN

A8170

Ammonium citrate dibasic

ACS reagent, 98.0-103.0%

Synonym(s):

Ammonium hydrogencitrate, Citric acid ammonium salt, Diammonium hydrogen citrate

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About This Item

Linear Formula:
HOC(CO2H)(CH2CO2NH4)2
CAS Number:
Molecular Weight:
226.18
EC Number:
221-146-3
UNSPSC Code:
12161700
MDL number:
Beilstein/REAXYS Number:
4925760
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Product Name

Ammonium citrate dibasic, ACS reagent, 98.0-103.0%

InChI

1S/C6H8O7.2H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H3

InChI key

YXVFQADLFFNVDS-UHFFFAOYSA-N

SMILES string

N.N.OC(=O)CC(O)(CC(O)=O)C(O)=O

grade

ACS reagent

vapor density

1.8 (vs air)

assay

98.0-103.0%

impurities

≤0.005% Insoluble matter

ign. residue

≤0.01%

anion traces

chloride (Cl-): ≤0.001%
oxalate (C2O42-): passes test (limit about 0.005%)
phosphate (PO43-): ≤5 ppm
sulfur compounds (as SO42-): ≤0.005%

cation traces

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

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