Butylated Hydroxytoluene (BHT)

CAS: 128-37-0

BasePhenolic
Identifiers
Manufacturer
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CAS number
128-37-0
CAS (all sources)
128-37-0
CAS (Perfumiarz)
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CAS (PerfumersWorld)
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CAS (FraterWork)
128-37-0
CAS (EU Hekserij)
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CAS (TSCA Hekserij)
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INCI name (FraterWork)
BHT
IUPAC name (FraterWork)
2,6-di-tert-butyl-4-methylphenol
INCI (Hekserij)
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EC number (Hekserij)
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FEMA (Hekserij)
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UN number
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Synonyms (PerfumersWorld)
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Synonyms (FraterWork)
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Scent profile
Note type (FraterWork)
Base Note
Odour family (FraterWork)
Phenolic
Odour profile (FraterWork)
BHT has an extremely faint phenolic-camphoraceous character with subtle musty, cresylic undertones that becomes completely imperceptible at typical usage levels in perfumery.
Longevity (FraterWork)
Lasts 400 hours on a smelling strip.
Appearance (FraterWork)
Colourless crystals
Descriptions
Comment (FraterWork)
BHT arrives as white crystalline powder with the faintest whisper of phenolic character that vanishes entirely once dissolved at working strength. This near-odourless profile makes it the perfect silent protector in perfumery. You'll detect nothing at the 0.1% level typically used to stabilise volatile aldehydes and citrus oils. Transform your most fragile materials into shelf-stable champions by adding BHT directly to pure aldehydes upon receipt. Watch as those temperamental aliphatic aldehydes maintain their sparkling character instead of degrading into rancid acids. Citrus oils retain their zesty freshness for years rather than developing stale terpene notes. Dissolve crystals directly in your fragrance concentrate before dilution for seamless incorporation and complete protection. Combine BHT with tocopherols [https://fraterworks.com/products/tocopherol] for synergistic antioxidant power that outperforms either alone. Add citric acid to chelate trace metals that catalyse oxidation. This multi-pronged approach delivers superior stability using lower total antioxidant levels—perfect for meeting modern formulation demands whilst maintaining exceptional performance. aromachem Best Seller Missing_EU/Specs MISSING_HS_CODE_ORIGIN missing_IFRA51 missing_info no_reg
Notes
BHT arrives as white crystalline powder with the faintest whisper of phenolic character that vanishes entirely once dissolved at working strength. This near-odourless profile makes it the perfect silent protector in perfumery. You'll detect nothing at the 0.1% level typically used to stabilise volatile aldehydes and citrus oils. Transform your most fragile materials into shelf-stable champions by adding BHT directly to pure aldehydes upon receipt. Watch as those temperamental aliphatic aldehydes maintain their sparkling character instead of degrading into rancid acids. Citrus oils retain their zesty freshness for years rather than developing stale terpene notes. Dissolve crystals directly in your fragrance concentrate before dilution for seamless incorporation and complete protection. Combine BHT with tocopherols [https://fraterworks.com/products/tocopherol] for synergistic antioxidant power that outperforms either alone. Add citric acid to chelate trace metals that catalyse oxidation. This multi-pronged approach delivers superior stability using lower total antioxidant levels—perfect for meeting modern formulation demands whilst maintaining exceptional performance. aromachem Best Seller Missing_EU/Specs MISSING_HS_CODE_ORIGIN missing_IFRA51 missing_info no_reg
Usage
Average use (FraterWork)
0.13% in a perfume compound
Uses (FraterWork)
Premier antioxidant for protecting aldehydes, citrus oils, and preventing rancidity in perfume compounds.
IFRA 51 (FraterWork)
Details coming soon…

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