3,5-Bis-Tert-Butylsalicylic Acid CAS No. 19715-19-6

3,5-Bis-Tert-Butylsalicylic Acid 

CAS No.: 19715-19-6 | EC No.: 243-246-6

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1. Chemical Identification

Property	Specification
IUPAC Name	3,5-di-tert-butyl-2-hydroxybenzoic acid
Molecular Formula	C₁₅H₂₂O₄
Molecular Weight	266.33 g/mol
Appearance	Off-white to beige powder
Melting Point	157-162°C (lit.)
Acidity Coefficient	pKa 3.34±0.14 (predicted)
Refractive Index	335.6±42.0°C (predicted)

Synonyms:
3,5-Di-tert-butylsalicylic acid, 3,5-DTBSA, 3,5-BTBA

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2. Key Applications

Functional Materials

Pressure-sensitive recording paper (thermal paper coatings)Polymer stabilizer (antioxidant properties)

Agrochemicals

Pesticide antioxidant (extends product shelf life)

Pharmaceutical Intermediates

Versatile building block for specialty syntheses

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3. Product Advantages

✔ Excellent Stability – Maintains properties under storage
✔ Easy Handling – Powder form with good flow characteristics
✔ Multi-industry Utility – Cross-sector applications

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4. Physical & Chemical Properties

Solubility:Soluble in organic solvents (ethanol, acetone)Limited water solubilityThermal Stability: Stable up to 200°C

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5. Handling & Storage

Storage Conditions:Keep in tightly sealed containersStore in cool, dry place (<30°C)Protect from moistureShelf Life: 36 months when properly stored

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6. Safety Information

Precautionary Measures:

P264: Wash thoroughly after handlingP280: Wear protective gloves/eye protectionP302+P352: IF ON SKIN: Wash with plenty of water

First Aid Measures:

Eye contact: Rinse immediately with waterIngestion: Seek medical attention

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7. Quality & Packaging

Specification:

Purity: ≥98% (HPLC)Moisture: ≤0.5%

Packaging Options:

1kg/aluminum foil bag25kg/fiber drumCustomized packaging available

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Disclaimer:
This technical information is for professional reference only. Users must verify suitability for intended applications and comply with all applicable regulations. Proper safety equipment and handling procedures are required.

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Batch Consistency: Rigorous QC testingTechnical Support: Application expertise availableGlobal Compliance: Meets international standards

For MSDS, COA, or custom specifications, please contact our technical team.

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