33114
Citric acid monohydrate
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%
Recommended Products
grade
ACS reagent
puriss. p.a.
Quality Level
agency
USP/NF
reag. ISO
reag. Ph. Eur.
assay
99.5-100.5% (calc. on anhydrous substance)
99.5-102%
form
solid
impurities
≤0.005% insolubles in water
≤2 ppm heavy metals (as Pb)
7.5-9.0% water (Karl Fischer)
ign. residue
≤0.01% (as SO4)
pKa
(1) 3.13, (2) 4.76, (3) 6.4
anion traces
chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤50 ppm
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤20 ppm
cation traces
Ca: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe: ≤3 ppm
Pb: ≤2 ppm
Zn: ≤5 mg/kg
suitability
complies for appearance of solution
complies for reaction against H2SO4
SMILES string
OC(CC(O)(C(O)=O)CC(O)=O)=O.O
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
InChI key
YASYEJJMZJALEJ-UHFFFAOYSA-N
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Related Categories
General description
Application
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
wgk_germany
WGK 1
flash_point_f
345.0 °F
flash_point_c
173.9 °C
ppe
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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