Para-tertiary butyl benzoic acid (PTBBA)
(4-Butylresorcinol for Cosmetic and Personal Care)
Chemical Name: 4-tert-Butylbenzoic acid
CAS No.: 98-73-7
MF: C11H14O2
Molecular structure：
4-tert-Butylbenzoic acid is a versatile organic intermediate, belonging to the alkylbenzoic acid family. It is widely used in the synthesis of alkyd resin modifiers, lubricating oil additives, and plastic stabilizers. It also functions as a corrosion inhibitor and polymerization stabilizer, demonstrating broad application potential in chemical manufacturing.
Item | Specification |
Appearance | White Crystals |
Content, % | ≥99.0 |
Water, % | ≤0.1 |
Melting point, ℃ | 164~167 |
Acid value, mgKOH/g | 312~315 |
Ash, % | ≤0.01 |
Iron Content, PPM | ≤3.0 |
Hazen | ≤20 |
Alkyd resin modifier, lubricant additive, plastic stabilizer and corrosion inhibitor for industrial formulations.
Excellent Resin Modifying: It controls polymer chain length efficiently. Adding it into alkyd resin formulas drastically improves gloss, weather resistance, and drying speeds.
Superior Thermal Stability: The bulky tert-butyl hydrophobic group enhances structural heat resistance, protecting chemical formulas from degrading under high temperatures.
Top-Tier Metal Deactivation: It forms stable complexes on metallic surfaces. This makes it an ideal raw material for heavy-duty rust inhibitors and metalworking fluids.
Consistent Particle Distribution: Our advanced crystallization setup guarantees highly uniform powder sizes, leading to faster dissolving speeds during blending.
Packaging: 25kgs/bag.
Storage:
Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating.
Protecting the product from leakage, rain and insolation during transportation.
Q1: What is 4-tert-Butylbenzoic acid (PTBBA) used for in resin modification?
A: 4-tert-Butylbenzoic acid (PTBBA), CAS number 98-73-7, is primarily used as a molecular weight regulator and chemical modifier for alkyd resins. By introducing the bulky hydrophobic tert-butyl group into the polyester backbone, it greatly enhances the coating’s final drying rate, improves surface hardness, boosts gloss retention, and provides excellent chemical resistance against humidity and weathering.
Q2: What are the main common uses of PTBBA in the lubricating oil industry?
A: In the oil and grease industry, PTBBA is a highly valuable raw material for producing metal deactivators and corrosion inhibitors. It reacts to form specialized metallic salts that bond tightly to metal substrates. This creates a protective hydrophobic layer that prevents rust, improves anti-wear properties, and enhances oxidation stability in cutting oils and industrial greases.
Q3: How does PTBBA function as a nucleating agent intermediate for plastics?
A: High-purity 4-tert-butylbenzoic acid is reacted with metals or organic bases to form specialty nucleating agents for polypropylene. These downstream additives alter the crystallization temperature and crystal structure of the polymer during cooling. This results in plastics with significantly higher optical clarity, improved tensile strength, and enhanced heat deflection temperatures.
Q4: Where can I buy bulk 4-tert-Butylbenzoic acid at wholesale factory pricing?
A: You can contact our chemical export desk today to get an instant spot price quote or to request a free laboratory testing sample!
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