21118
Calcium citrate tribasic tetrahydrate
BioUltra, ≥98.0% (calc. on dry substance, KT)
Synonym(s):
Citric acid calcium salt, Tricalcium dicitrate
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About This Item
grade
reagent grade
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 (SO42-): ≤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 Amax: 0.04, λ: 280 nm Amax: 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
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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