247561

Ammonium citrate dibasic

ACS reagent, 98%

• Synonym(s): Ammonium hydrogencitrate, Citric acid ammonium salt, Diammonium hydrogen citrate
• Linear Formula: HOC(CO₂H)(CH₂CO₂NH₄)₂
• CAS Number: 3012-65-5
• Molecular Weight: 226.18
• Beilstein/REAXYS Number: 4925760
• EC Number: 221-146-3
• MDL number: MFCD00013068
• UNSPSC Code: 12352100
• PubChem Substance ID: 24854875
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 200
• vapor density: 1.8 (vs air)
• assay: 98%; 98.0-103.0% (ACS specification)
• form: solid
• impurities: oxalate, passes test (lim ~0.05%); ≤0.005% insolubles
• ign. residue: ≤0.01%
• pH: 5.2 (20 °C, 50 g/L)
• anion traces: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤5 ppm; sulfate (SO₄^2-): ≤0.005%
• cation traces: Fe: ≤0.001%; heavy metals: ≤5 ppm (by ICP)

Description

Application

Ammonium citrate dibasic can be used as both carbon and nitrogen precursor to synthesize nitrogen-doped fluorescent carbon nanoparticles (CNPs) for the development of sensitive and selective sensors for picric acid detection. Solution form of ammonium citrate can also be used in leaching experiments to extract copper nanoparticles from waste printed circuit boards (WPCBs).

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319
• pcodes: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves