Citric acid monohydrate

Product Name

Citric acid monohydrate, BioXtra, ≥99.5%

form

powder

InChI key

YASYEJJMZJALEJ-UHFFFAOYSA-N

InChI

1S/C6H8O7.H2O/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);1H2

SMILES string

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

product line

BioXtra

assay

≥99.5%

impurities

≤0.002% Phosphorus (P)
≤0.005% Insoluble matter

ash

≤0.02%

pH

1.85 (25 °C, 50 g/L)

pKa 

(1) 3.13, (2) 4.76, (3) 6.4

solubility

H₂O: 1 M, clear, colorless

anion traces

chloride (Cl^-): ≤0.001%
sulfate (SO₄^2-): ≤0.002%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH₄⁺: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

Quality Level

200