# Phthalic Anhydride

Pyanodons item · internal name `phthalic-anhydride` · stack size 100 · first craftable in tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md))
HTML page: https://factorio.kalzumeus.com/item/phthalic-anhydride/

## Produced by (1 recipes)

### Phthalic Anhydride (`phthalic-anhydride`)

- 10 s · tier 6 · productivity modules allowed
- Ingredients: 100 × [Perylene](https://factorio.kalzumeus.com/fluid/perylene.md), 2 × [Vanadium pentoxide](https://factorio.kalzumeus.com/item/vanadium-oxide.md), 100 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md), 3 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md), 1 × [Laboratory instrument](https://factorio.kalzumeus.com/item/lab-instrument.md)
- Results: 1 × [Phthalic Anhydride](https://factorio.kalzumeus.com/item/phthalic-anhydride.md)
- Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04
- Unlocked by: [Intermetallics - Stage 3](https://factorio.kalzumeus.com/tech/intermetallics-mk03.md)

## Used in (1 recipes)

- Rhodamine B (`rhodamine-b`, tier 6) → [Rhodamine B](https://factorio.kalzumeus.com/item/rhodamine-b.md)