# Perylenetetracarboxylic dianhydride (PTCDA)

Pyanodons item · internal name `ptcda` · stack size 100 · first craftable in tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/item/ptcda/

## Produced by (1 recipes)

### Perylenetetracarboxylic dianhydride (PTCDA) (`ptcda`)

- 15 s · tier 4 · productivity modules allowed
- Ingredients: 1 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md), 1 × [Filtration media](https://factorio.kalzumeus.com/item/filtration-media.md), 100 × [Organic Acid Anhydride](https://factorio.kalzumeus.com/fluid/organic-acid-anhydride.md), 100 × [Perylene](https://factorio.kalzumeus.com/fluid/perylene.md)
- Results: 1 × [Perylenetetracarboxylic dianhydride (PTCDA)](https://factorio.kalzumeus.com/item/ptcda.md)
- Made in: Wet scrubber MK 01, Wet scrubber MK 02, Wet scrubber MK 03, Wet scrubber MK 04
- Unlocked by: [Intermetallics - Stage 2](https://factorio.kalzumeus.com/tech/intermetallics-mk02.md)

## Used in (1 recipes)

- Self assembly monolayer material (`self-assembly-monolayer`, tier 4) → [Self assembly monolayer material](https://factorio.kalzumeus.com/item/self-assembly-monolayer.md)