t-Butylammonium iodide

Order Code: M2061A1
MSDS sheet


(excluding Taxes)


General Information

CAS number 39557-45-4
Chemical formula C4H12IN
Molecular weight 201.05 g/mol
Synonyms tBAI, tert-Butylamine hydroiodide 
Classification / Family Alkylammonium halides, Perovskite precursor materials, Perovskite solar cells, Perovskite LEDs

Product Details

Purity 98%

Melting point

270.5 °C

Colour Powder/crystals

t-butylammonium iodide; 39557-45-4,  tert-Butylamine-hydriodide

Chemical structure of t-butylammonium iodide; CAS No. 39557-45-4; Chemical formula: C4H12IN.


Tert-butylammonium iodide, (tBAI) is used as a perovskite precursor to enable 2D structures with smoother films achieve higher PCEs for perovskite LEDs and solar cells.

Due to its bulky group, Tert-butylammonium iodide is an ideal candidate to make perovskite structures less sensitive to moisture in the air, resulting in improved device stability and lifetime.

Literature and reviews

  1. Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites, J.-C. Blancon et al., Science, 10.1126/science.aal4211 (2017); DOI: 10.1126/science.aal4211.
  2. Efficient perovskite light-emitting diodes featuring nanometre-sized crystallites, Z. Xiao et al., Nat. Photonics, 11, 108–115 (2017); doi:10.1038/nphoton.2016.269.

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