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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

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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Signal Word

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

Cardio-vascular system,hematopoietic system, Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Water-stable 1D hybrid tin (II) iodide emits broad light with 36\% photoluminescence quantum efficiency
Ioannis Spanopoulos, et al.
Journal of the American Chemical Society, 142, 9028-9038 (2020)
Enhancing performance and stability of tin halide perovskite light emitting diodes via coordination engineering of lewis acid--base adducts
Ye Jin Heo, et al.
Advanced Functional Materials , 31, 210697-210697 (2021)
Solvent-mediated crystallization of CH3NH3SnI3 films for heterojunction depleted perovskite solar cells
Feng Hao, et al.
Journal of the American Chemical Society, 137, 11445-11452 (2015)
A cation-exchange approach for the fabrication of efficient methylammonium tin iodide perovskite solar cells
Fengzhu Li, et al.
Angewandte Chemie (International Edition in English), 58, 6688-6692 (2019)
Novel Co-Catalytic Activities of Solid and Liquid Phase Catalysts in High-Rate Li-Air Batteries
Chengji Zhang, et al.
Advanced Energy Materials, 12, 2201616-2201616 (2022)
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