# Phenol (technology)

internal name `phenol` · tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/tech/phenol/

## Cost

550 units of (1 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 2 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 3 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 6 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 90 s each.

## Requires (2)

- [Cellulose - Stage 2](https://factorio.kalzumeus.com/tech/cellulose-mk02.md)
- [Rennea - Stage 1](https://factorio.kalzumeus.com/tech/rennea.md)

## Leads to (3)

- [Epoxy](https://factorio.kalzumeus.com/tech/epoxy.md)
- [Nylon](https://factorio.kalzumeus.com/tech/nylon.md)
- [Tuuphra upgrade](https://factorio.kalzumeus.com/tech/tuuphra-upgrade.md)

## Unlocks (3 recipes)

### Melamine (`melamine-2`)

- 10 s · tier 4
- Ingredients: 40 × [Formaldehyde](https://factorio.kalzumeus.com/fluid/methanal.md), 10 × [Phenol](https://factorio.kalzumeus.com/item/phenol.md)
- Results: 20 × [Melamine](https://factorio.kalzumeus.com/item/melamine.md)
- Made in: Fluidised bed reactor MK 01, Fluidised bed reactor MK 02, Fluidised bed reactor MK 03, Fluidised bed reactor MK 04
- Unlocked by: [Phenol](https://factorio.kalzumeus.com/tech/phenol.md)

### Phenol (`phenol-02`)

- 5 s · tier 4 · productivity modules allowed
- Ingredients: 5 × [Lignin](https://factorio.kalzumeus.com/item/lignin.md)
- Results: 5 × [Phenol](https://factorio.kalzumeus.com/item/phenol.md)
- Made in: Destructive distillation column MK 01, Destructive distillation column MK 02, Destructive distillation column MK 03, Destructive distillation column MK 04
- Unlocked by: [Phenol](https://factorio.kalzumeus.com/tech/phenol.md)

### Phenol (`phenol-3`)

- 5 s · tier 4 · productivity modules allowed
- Ingredients: 5 × [Sporopollenin](https://factorio.kalzumeus.com/item/sporopollenin.md), 300 × [Boric acid](https://factorio.kalzumeus.com/fluid/boric-acid.md)
- Results: 6 × [Phenol](https://factorio.kalzumeus.com/item/phenol.md)
- Made in: Biofactory MK 01, Biofactory MK 02, Biofactory MK 03, Biofactory MK 04
- Unlocked by: [Phenol](https://factorio.kalzumeus.com/tech/phenol.md)