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466352

Sigma-Aldrich

Tin(II) iodide

−10 mesh, 99.999% 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:
24870342
NACRES:
NA.23

Quality Level

100

assay

99.999% trace metals basis

form

powder

impurities

≤15.0 ppm Trace Metal Analysis

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 an orange crystalline solid with a high melting point. It is widely used to fabricate organic–inorganic solar cells, light-emitting devices, and secondary batteries. It acts as a reducing agent.

Application

Tin(II) iodide can be used:
  • As a precursor to fabricate methylammonium tin iodide films for heterojunction-depleted perovskite solar cells using solvent-mediated crystallization.
  • To prepare highly stable perovskite thin films for Pb-free light-emitting diodes(PeLEDs). and a new air-stable one-dimensional (1D) hybrid lead-free halide material (DAO)Sn2I6 which emits broad orange light at 634 nm and photoluminescence quantum yield of 36%.
  • As a dual-functional electrolyte additive in high-rate Li-air batteries. SnI2 protects the lithium anode and reduces charge potential by promoting the decomposition of the Li2O2.
  • To synthesize mixed Pb–Sn perovskite films with formamidine sulfinic acid(FSA) for all tandem perovskite solar cells.

accessory

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Description
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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)

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