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409308

Sigma-Aldrich

Tin(II) iodide

AnhydroBeads, −10 mesh, 99.99% trace metals basis

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Synonym(s):
Stannous iodide, Tin diiodide
Linear Formula:
SnI2
CAS Number:
Molecular Weight:
372.52
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

product line

AnhydroBeads

assay

99.99% trace metals basis

form

beads

impurities

≤150.0 ppm Trace Metal Analysis

particle size

−10 mesh

bp

714 °C (lit.)

mp

320 °C (lit.)

density

5.28 g/mL at 25 °C (lit.)

SMILES string

I[SnH2]I

InChI

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

InChI key

JTDNNCYXCFHBGG-UHFFFAOYSA-L

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1 of 4

This Item
466352409294913804
vibrant-m

409308

Tin(II) iodide

vibrant-m

466352

Tin(II) iodide

vibrant-m

409294

Tin(IV) iodide

vibrant-m

913804

Tin(II) iodide

form

beads

form

powder

form

powder

form

powder

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

density

5.28 g/mL at 25 °C (lit.)

density

5.28 g/mL at 25 °C (lit.)

density

4.47 g/mL at 25 °C (lit.)

density

5.28 g/mL at 25 °C (lit.)

impurities

≤150.0 ppm Trace Metal Analysis

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤15.0 ppm Trace Metal Analysis

impurities

-

mp

320 °C (lit.)

mp

320 °C (lit.)

mp

-

mp

320 °C (lit.)

General description

Tin (II) iodide is widely used as a precursor toprepare lead-free non-toxic hybrid perovskite materials. Tin-based perovskitesshow excellent electrical and optical properties such as high charge carrier mobility,absorption coefficient, and small exciton binding energies.

Application

Tin(ll) iodide can be used as a starting material to prepare an efficient hybrid perovskite solar cell (HPSC). The addition of a small amount of 2D tin film induces well-defined orientation and superior crystallinity in formamidinium tin iodide (FASnI3) films. This results in the longer life of charge carriers and improves the performance of HPSCs.

It can also be used to preparesolution-processable lamellar hybrid [CH3(CH2)11NH3]SnI3semiconductor.

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

accessory

Product No.
Description
Pricing

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Liang, K. et al.
Chemistry of Materials, 10, 403-403 (1998)
Kohei Nishimura et al.
ACS applied materials & interfaces, 11(34), 31105-31110 (2019-08-07)
In the composition of Q0.1(FA0.75MA0.25)0.9SnI3, Q is replaced with Na+, K+, Cs+, ethylammonium+ (EA+), and butylammonium+ (BA+), respectively, and the relationship between actually measured lattice strain and photovoltaic performances is discussed. The lattice strain evaluated by the Williamson-hall plot of

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