بوتيل هيدروكسي تولوين
| Kind | Excipient |
|---|---|
| Class | Antioxidants, chelators & preservatives — phenolic antioxidant (lipophilic) |
| Synonyms | BHT, 2,6-di-tert-butyl-4-methylphenol, dibutylhydroxytoluene, E321 |
| Common uses / forms | Oil-soluble antioxidant for lipids, softgel fills, packaging-contact; typical 0.01-0.1% |
| Properties | White crystalline solid, mp ~70°C, oil-soluble, water-insoluble; volatile and sublimes on heating; commodity radical-scavenger antioxidant |
| Compendia | USP, EP, BP, JP |
| Sourcing origins | China, India, USA, EU |
| Dominant inbound route | Hormuz |
| Indicative price band | $$ ($10–100 / kg) |
| Indicative lead time | short (30–50 days) |
| Notes | JP monograph as Dibutylhydroxytoluene. Cheap, widely available; account for sublimation losses on drying/autoclaving; store cool and protected from light |
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Cite as: AUPAM Experts' Office, Butylated hydroxytoluene — sourcing profile (Excipient) — AUPAM Data Bank, retrieved 2026-08-31, https://aupameo.org/datasets/databank/e-butylated-hydroxytoluene.html