21118

Calcium citrate tribasic tetrahydrate

BioUltra, ≥98.0% (calc. on dry substance, KT)

• Synonym(s): Citric acid calcium salt, Tricalcium dicitrate
• Linear Formula: Ca₃(C₆H₅O₇)₂ · 4H₂O
• CAS Number: 5785-44-4
• Molecular Weight: 570.49
• Beilstein: 3924520
• EC Number: 212-391-7
• MDL number: MFCD00150786
• UNSPSC Code: 12161700
• PubChem Substance ID: 57647903
• NACRES: NA.25

Properties

• product line: BioUltra
• Assay: ≥98.0% (calc. on dry substance, KT)
• form: powder
• impurities: Insoluble matter, passes filter test
• loss: 10-14% loss on drying, 180°C, 4 h
• solubility: 0.1 M HCl: 0.01 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤50 mg/kg; Hg: ≤0.1 mg/kg; K: ≤500 mg/kg; Li: ≤5 mg/kg; Mg: ≤1000 mg/kg; Mn: ≤50 mg/kg; Mo: ≤5 mg/kg; Na: ≤100 mg/kg; Ni: ≤5 mg/kg; Pb: ≤1 mg/kg; Sr: ≤100 mg/kg; Zn: ≤5 mg/kg
• λ: 0.01 M in 0.1 M HCl
• UV absorption: λ: 260 nm A_max: 0.04; λ: 280 nm A_max: 0.03
• SMILES string: O.O.O.O.OC1(CC(=O)O[Ca]OC(=O)C1)C(=O)O[Ca]OC(=O)C2(O)CC(=O)O[Ca]OC(=O)C2
• InChI: 1S/2C6H8O7.3Ca.4H2O/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;4*1H2/q;;3*+2;;;;/p-6
• InChI key: LNIZKKFWMDARJV-UHFFFAOYSA-H

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves