652458

Sigma-Aldrich

Barium fluoride

precipitated, 99.95% trace metals basis

Synonym(s):
Barium difluoride
Empirical Formula (Hill Notation):
BaF2
CAS Number:
Molecular Weight:
175.32
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.95% trace metals basis

form

powder

quality

precipitated

impurities

≤ 550.0  ppm Trace Metal Analysis

bp

2260 °C (lit.)

density

4.830 g/mL at 25 °C
4.89 g/mL at 25 °C (lit.)

SMILES string

F[Ba]F

InChI

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

InChI key

OYLGJCQECKOTOL-UHFFFAOYSA-L

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Packaging

25, 100 g in poly bottle

Features and Benefits

Primary glass modifier in fluorozirconate glasses.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

RIDADR

UN 1564 6.1 / PGIII

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

W H Wong
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 29(3), 338-347 (1988-03-01)
Bismuth germanate (BGO) and barium fluoride (BaF2) scintillators are presently used in positron emission tomegraphy (PET) cameras. This study evaluates the important PET performance parameters of image resolution, true sensitivity, scatter background, accidental background, and realistic maximum radioactivity in the...
Jane G Zapka et al.
American journal of preventive medicine, 23(1), 28-35 (2002-07-03)
Developing effective programs to promote colorectal cancer (CRC) screening requires understanding of the effect of healthcare system factors on access to screening and adherence to guidelines. This study assessed the role of insurance status, type of plan, the frequency of...
C W van Eijk et al.
Medical progress through technology, 17(3-4), 243-247 (1991-01-01)
A detector has been developed for position sensitive registration of annihilation radiation. The 511 keV gamma rays are detected in a set of BaF2 scintillation crystals coupled to low pressure TMAE-filled photosensitive multi wire chambers. In a first experimental detector...
Wendy Patterson et al.
Optics express, 16(3), 1704-1710 (2008-06-11)
We report laser-induced cooling with thulium-doped BaY2F8 single crystals grown using the Czochralski technique. The spectroscopic characterization of the crystals has been used to evaluate the laser cooling performance of the samples. Cooling by 3 degrees below ambient temperature is...
T J Bastow et al.
Solid state nuclear magnetic resonance, 6(1), 95-100 (1996-02-01)
The X-ray storage phosphor materials BaFC1 and BaFBr differ greatly in their 137Ba nuclear electric quadrupole interaction, despite a common crystal structure. The quadrupole coupling constant in BaFCl is relatively small and increases rapidly with temperature, in an unusual manner:...

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