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Calcium carbonate_Molecular_structure_CAS_471-34-1)
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Calcium carbonate

Catalog No. 21061 Name Sigma Aldrich
CAS Number 471-34-1 Website http://www.sigmaaldrich.com
M. F. CCaO3 Telephone 1-800-521-8956
M. W. 100.0869 Fax
Purity ≥99.0% (KT) Email
Storage Chembase ID: 105579

SYNONYMS

Title
碳酸钙
IUPAC name
calcium carbonate
IUPAC Traditional name
calcium carbonate

DATABASE IDS

Beilstein Number 8008338
CAS Number 471-34-1
EC Number 207-439-9
MDL Number MFCD00010906
PubChem SID 24852648

PROPERTIES

Absorption Wavelength λ: 280 nm Amax: ≤0.06
Density 2.93 g/mL at 25 °C(lit.)
Solubility 5 M HCl: soluble0.1 M at 20 °C, clear, colorless
Absorption Wavelength λ: 260 nm Amax: ≤0.09
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
RTECS FF9335000
German water hazard class nwg
Antion Traces chloride (Cl-): ≤100 mg/kg
Antion Traces sulfate (SO42-): ≤200 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤50 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤50 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤1000 mg/kg
Cation Traces Mn: ≤100 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤100 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤500 mg/kg
Cation Traces Zn: ≤10 mg/kg
Impurities insoluble matter, passes filter test
λ 0.1 M in 5 M HCl
Linear Formula CaCO3
Loss on Drying ≤0.5% loss on drying, 110 °C
Product Line BioUltra
Purity ≥99.0% (KT)
Quality precipitated

DETAILS

Description (English)
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 bacteria1
Description (简体中文)
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 bacteria1

REFERENCES