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Sigma-Aldrich

Tin(II) iodide

AnhydroBeads™, −10 mesh, 99.99% trace metals basis

Synonym(s):

Stannous iodide, Tin diiodide

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About This Item

Linear Formula:
SnI2
CAS Number:
10294-70-9
Molecular Weight:
372.52
EC Number:
233-667-3
MDL number:
MFCD00049545
UNSPSC Code:
12352302
PubChem Substance ID:
24865634
NACRES:
NA.23

product line

AnhydroBeads™

Quality Level

100

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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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

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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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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