21061

Calcium carbonate

BioUltra, precipitated, ≥99.0% (KT)

• Linear Formula: CaCO₃
• CAS Number: 471-34-1
• Molecular Weight: 100.09
• Beilstein: 8008338
• EC Number: 207-439-9
• MDL number: MFCD00010906
• UNSPSC Code: 12161700
• PubChem Substance ID: 57647899
• NACRES: NA.25

Properties

• product line: BioUltra
• Quality Level: 100
• Assay: ≥99.0% (KT)
• form: powder
• quality: precipitated
• impurities: insoluble matter, passes filter test
• loss: ≤0.5% loss on drying, 110 °C
• solubility: 5 M HCl: 0.1 M at 20 °C, clear, colorless
• density: 2.93 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• cation traces: As: ≤0.1 mg/kg; Ba: ≤50 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; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤1000 mg/kg; Mn: ≤100 mg/kg; Mo: ≤5 mg/kg; Na: ≤100 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤500 mg/kg; Zn: ≤10 mg/kg
• λ: 0.1 M in 5 M HCl
• UV absorption: λ: 260 nm A_max: ≤0.09; λ: 280 nm A_max: ≤0.06
• SMILES string: [Ca++].[O-]C([O-])=O
• InChI: 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
• InChI key: VTYYLEPIZMXCLO-UHFFFAOYSA-L

Description

Other Notes

Component of tetrathionate-containing and tetrathionate-producing culture media (TBG Broth) for buffering sulfuric acid produced on reduction of tetrathionate. Media component for luminous bacteria

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves