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Product Line: Pharmaceutical Chemicals

4-tert-Butylcatechol

CAS 98-29-3

Molecular structure of 4-tert-Butylcatechol

CAS · 98-29-3

01

Product Overview

4-tert-Butylcatechol is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Purity 99.0% min
Melting point 53℃ min
Crystallization point 50℃ min
Boiling point 285℃
Ash content 0.2% max
Solubility (25℃, 10ml solvent) Methanol Pass
Ethyl acetate Pass
Toluene Pass
Benzene Pass
03

Applications

 

1. Polymerization Inhibitor

TBC is widely used as a stabilizer or inhibitor to prevent unwanted polymerization of:

Styrene

Butadiene

Vinyl acetate

Acrylates

Protects monomers during storage and transport, especially at elevated temperatures.

2. Antioxidant in Polymers and Rubber

Acts as an antioxidant additive in:

Plastics

Synthetic rubber

Resins

Prevents degradation from oxygen and heat, extending product lifespan.

3. Intermediate in Organic Synthesis

Used as a building block in synthesis of:

Agrochemicals

Pharmaceuticals

Dyes and pigments

Also involved in preparation of catechol-derived compounds.

4. Corrosion Inhibitor

Incorporated in lubricants, fuels, and oils as a corrosion-inhibiting antioxidant.

5. Stabilizer for Fuel and Lubricants

Added to fuels, biodiesels, and industrial oils to improve oxidative stability and prevent gum formation.

04

Benefits

 

✅ Effective Polymerization Inhibitor

TBC offers long-term stability, even at high temperatures (e.g., 60–100°C), making it superior to hydroquinone in many applications.

✅ Thermal and Oxidative Stability

Resists degradation under heat and oxygen exposure, enhancing the shelf life of monomers and fuels.

✅ Low Volatility and Low Toxicity Profile

Offers safer handling and reduced volatility compared to some other stabilizers like MEHQ (monoethyl hydroquinone).

✅ Versatile Solubility

Soluble in organic solvents, allowing for easy blending into monomer mixtures, oils, and fuels.

✅ Cost-Effective

A reliable and economically favorable choice for industrial-scale use as a stabilizer or antioxidant.

05

Conclusion

4-tert-Butylcatechol (TBC, CAS 98-29-3) is an essential stabilizing and antioxidant compound used across polymer, rubber, fuel, and chemical synthesis industries. Its excellent thermal and oxidative resistance, combined with its strong inhibitory properties, make it indispensable for preventing unwanted reactions and extending material durability.

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