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Merck

21061

Calcium carbonate

BioUltra, precipitated, ≥99.0% (KT)

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About This Item

Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
EC Number:
207-439-9
Beilstein/REAXYS Number:
8008338
MDL number:
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product line

BioUltra

Quality Level

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 (SO42-): ≤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 Amax: ≤0.09, λ: 280 nm Amax: ≤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

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


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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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