Calcium carbonate
SIGMA/21061 - BioUltra, precipitated, ≥99.0% (KT)
CAS Number: 471-34-1
Empirical Formula (Hill Notation): CCaO3
Molecular Weight: 100.09
EC Number: 207-439-9
MDL Number: MFCD00010906
Linear Formula: CaCO3
Product Type: Chemical
λ | 0.1 M in 5 M HCl |
anion traces | chloride (Cl-): ≤100 mg/kg |
sulfate (SO42-): ≤200 mg/kg | |
assay | ≥99.0% (KT) |
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 | |
density | 2.93 g/mL at 25 °C (lit.) |
form | powder |
impurities | insoluble matter, passes filter test |
InChI | 1S/CH2O3.Ca/c2-1(3)4;/h(H |
InChI key | VTYYLEPIZMXCLO-UHFFFAOYSA |
loss | ≤0.5% loss on drying, 110 °C |
product line | BioUltra |
quality | precipitated |
Quality Level | 100 |
SMILES string | [Ca++].[O-]C([O-])=O |
solubility | 5 M HCl: 0.1 M at 20 °C, clear, colorless |
UV absorption | λ: 260 nm Amax: ≤0.09 |
λ: 280 nm Amax: ≤0.06 |
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 |
RIDADR | NONH for all modes of transport |
WGK Germany | nwg |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (KT) |
Density | 2.93 g/mL at 25 °C (lit.) |
UNSPSC | 12161700 |