Butylated Hydroxytoluene (BHT)
| Formula: | C₁₅H₂₄O |
| CAS Number: | 128-37-0 |
| EC Number (EINECS): | 204-881-4 |
| HS Code: | 29071900 |
| UN Number: | Not classified as hazardous for transport |
| IUPAC Name: | 2,6-Di-tert-butyl-4-methylphenol |
| Also Known As: | BHT; Dibutylhydroxytoluene; Ionol |
| Molecular Weight, g/mol: | 220.35 |
Typical Specifications
| Appearance: | White to slightly yellow crystalline solid |
| Odor: | Mild, characteristic |
| Melting Point, °C: | 69–71 |
| Boiling Point, °C: | ~265 |
| Density, g/cm³ (at 20°C): | 1.05 |
| Flash Point, °C: | 127 (closed cup) |
| Solubility: | Insoluble in water (25°C); soluble in fats, oils, ethanol, acetone |
| Purity, %: | ≥99.0 |
| Grades Available: | Food Grade, Feed Grade, Technical Grade |
| Packaging: | 25kg bags, fiber drums, 500kg/1000kg jumbo bags |
Applications / Uses
Primary Applications
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Widely used as antioxidant in food, feed, cosmetics, pharmaceuticals
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Preserves fats and oils by preventing oxidation and rancidity
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Stabilizer in plastics, rubber, and petroleum products
Secondary Applications
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Ingredient in lubricants and biodiesel for oxidation stability
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Used in animal nutrition as preservative in feed
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Antioxidant additive in packaging and coatings
End Industries Served: Food & Beverage, Animal Nutrition, Cosmetics, Pharmaceuticals, Plastics, Rubber, Petroleum, Packaging
Safety & Handling Information
Hazard Class (GHS): Not classified as highly hazardous; may cause irritation on prolonged exposure
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation (dust)
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H351: Suspected of causing cancer (IARC Group 2B – limited evidence)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing dust/fume/vapor
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P301 + P312: IF SWALLOWED – Call a doctor if you feel unwell
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water
Storage Conditions
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Store in cool, dry, ventilated place
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Protect from direct sunlight and heat sources
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Keep containers tightly sealed
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods
Regulatory Information
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REACH Status (EU): Registered
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FDA Approval: Permitted as food additive (antioxidant, max limit defined)
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ISO Certification: Available on request (ISO 9001 for manufacturing grade)
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Country Standards: Meets FCC, USP, EU food additive standards depending on grade