# Shin-Etsu Chemical to double pharmaceutical excipient capacity at Naoetsu plant

Shin-Etsu Chemical plans to invest 10 billion yen to double manufacturing capacity of pharmaceutical excipient Shin-Etsu AQOAT at its Naoetsu plant in Joetsu, Niigata. Completion is expected in Q2 2026.

- Type: Expansion
- Announced: 2024-03-06
- Where: Joetsu, Niigata Prefecture, Japan
- Starts operating: Q3 2026
- Status: announced
- Capacity: double
- Products: pharmaceutical excipient Shin-Etsu AQOAT, hypromellose acetate succinate
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [Shin-Etsu Chemical](https://endata.com/companies/25085.md)

## Sources

- [shinetsu.co.jp](https://www.shinetsu.co.jp/en/news/news-release/shin-etsu-chemical-making-active-investments-in-the-pharmaceutical-cellulose-business/), 2024-03-06: "The plan is to double the manufacturing capacity of pharmaceutical excipient 'Shin-Etsu AQOAT' (Hypromellose Acetate Succinate) with a completion time of Q2, 2026."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.