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A8170

Sigma-Aldrich

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:
3012-65-5
Molecular Weight:
226.18
Beilstein:
4925760
EC Number:
221-146-3
MDL number:
MFCD00013068
UNSPSC Code:
12161700

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

SMILES string

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

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

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Certificates of Analysis (COA)

Lot/Batch Number
123H02801
098H0335
071K0062
050H05502
102K0057

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