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466336

Sigma-Aldrich

Strontium iodide

anhydrous, ≥99.99% trace metals basis

Synonym(s):

Hydriodic acid strontium salt (2:1), Strontium diiodide

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About This Item

Linear Formula:
SrI2
CAS Number:
Molecular Weight:
341.43
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

grade

anhydrous

Quality Level

assay

≥99.99% trace metals basis

form

solid

impurities

≤100.0 ppm Trace Metal Analysis

bp

1773 °C/1 atm (lit.)

mp

515 °C (lit.)

density

4.55 g/mL at 25 °C (lit.)

SMILES string

I[Sr]I

InChI

1S/2HI.Sr/h2*1H;/q;;+2/p-2

InChI key

KRIJWFBRWPCESA-UHFFFAOYSA-L

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General description

Strontium iodide is an ionic deliquescent compound with relatively high density, optical clarity, and high scintillation light yield. It is widely used in the field of perovskite solar cells and gamma radiation detectors.

Application

Strontium iodide can be used as a dopant in methylammonium lead iodide perovskite films. The addition of Sr2+ increases the charge carrier collection efficiency of solar cells resulting in very high fill factors.

It can be used as a precursor to prepare high-light yield scintillators with excellent X-ray and gamma-ray detection properties.

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Growth and characterization of potassium strontium iodide: A new high light yield scintillator with 2.4% energy resolution
L. Stand, et al.},
Nuclear Instruments and Methods in Physics Research, 780, 40-44 (2015)
Strontium insertion in methylammonium lead iodide: long charge carrier lifetime and high fill-factor solar cells
Daniel Perez-del-Rey, et al.
Advanced Materials, 28, 9839-9845 (2016)

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