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Merck
CN

01905

Sigma-Aldrich

Calcium fluoride

natural, powder, ≥95%

Synonym(s):

Fluorite, Fluorspar

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About This Item

Empirical Formula (Hill Notation):
CaF2
CAS Number:
7789-75-5
Molecular Weight:
78.07
EC Number:
232-188-7
MDL number:
MFCD00010907
UNSPSC Code:
12352300
PubChem Substance ID:
329747371
NACRES:
NA.55

Key Documents

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Assay

≥95%

form

powder

quality

natural

loss

≤0.1% loss on drying, 105°C

bp

2500 °C (lit.)

density

3.18 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤1000 mg/kg

cation traces

As: ≤20 mg/kg

storage temp.

−20°C

SMILES string

F[Ca]F

InChI

1S/Ca.2FH/h;2*1H/q+2;;/p-2

InChI key

WUKWITHWXAAZEY-UHFFFAOYSA-L

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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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G Rølla
Acta odontologica Scandinavica, 46(6), 341-345 (1988-12-01)
The literature concerning the formation and stability of CaF2 in the oral environment is reviewed. In early work the CaF2 formed during topical application with fluoride was assumed to be beneficial. It was suggested that it could protect the enamel
J M ten Cate
European journal of oral sciences, 105(5 Pt 2), 461-465 (1997-12-12)
Low concentrations of fluoride have a beneficial effect on enamel and dentin de- and remineralization. After fluoride treatments, such as topical applications, rinses or dentifrices, salivary fluoride concentrations decrease exponentially in a biphasic manner to very low concentrations within a
Yunlu Dai et al.
Biomaterials, 33(8), 2583-2592 (2011-12-27)
In this study, we design a controlled release system based on CaF(2):Ce(3+)/Tb(3+)-poly(acrylic acid) (PAA) composite microspheres, which were fabricated by filling the pH-responsive PAA inside CaF(2):Ce(3+)/Tb(3+) hollow spheres via photopolymerization route. The CaF(2):Ce(3+)/Tb(3+) hollow spheres prepared by hydrothermal route possess
Willem Van den Heuvel et al.
Physical review letters, 109(7), 073001-073001 (2012-09-26)
We present a theory of nuclear magnetic resonance shielding tensors for electronic states with arbitrary degeneracy. The shieldings are here expressed in terms of generalized Zeeman (g((k))) and hyperfine (A((k))) tensors, of all ranks k allowed by the size of
Michael D Weir et al.
Dental materials : official publication of the Academy of Dental Materials, 28(6), 642-652 (2012-03-21)
Fluoride (F) releasing dental restoratives are promising to promote remineralization and combat caries. The objectives of this study were to develop nanocomposite containing calcium fluoride nanoparticles (nCaF(2)), and to investigate the long-term mechanical durability including wear, thermal-cycling and long-term water-aging
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