# Bithiophene

Pyanodons item · internal name `bt` · stack size 100 · first craftable in tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md))
HTML page: https://factorio.kalzumeus.com/item/bt/

## Produced by (1 recipes)

### Bithiophene (`bt`)

- 15 s · tier 8
- Ingredients: 1 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 5 × [Cadaveric arum](https://factorio.kalzumeus.com/item/cadaveric-arum.md), 1 × [Chromium](https://factorio.kalzumeus.com/item/chromium.md)
- Results: 1 × [Bithiophene](https://factorio.kalzumeus.com/item/bt.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Photovoltaic - Stage 3](https://factorio.kalzumeus.com/tech/solar-mk03.md)

## Used in (1 recipes)

- Photosensitive Dye (`photosensitive-dye`, tier 8) → [Photosensitive Dye](https://factorio.kalzumeus.com/item/photosensitive-dye.md)