China Manufacturer Supply Triethanolamine borate CAS 283-56-7 for sale
China Manufacturer Supply Triethanolamine borate CAS 283-56-7 for sale
China Manufacturer Supply Triethanolamine borate CAS 283-56-7 for sale
China Manufacturer Supply Triethanolamine borate CAS 283-56-7 for sale
China Manufacturer Supply Triethanolamine borate CAS 283-56-7 for sale

China Manufacturer Supply Triethanolamine borate CAS 283-56-7 Wholesale & Bulk

Triethanolamine borate is a compound formed by reacting triethanolamine (a tertiary amine with three ethanol groups) and boric acid. It acts as a borate ester or coordination complex, where boron bonds to the hydroxyl groups of triethanolamine. This water-soluble, viscous liquid or hygroscopic solid serves as a pH buffer, stabilizer, and crosslinker. It is widely used in cosmetics (lotions, eye drops), industrial lubricants (corrosion inhibition), and hydraulic fracturing fluids (viscosity enhancer). Mildly toxic, it requires careful handling to avoid irritation. Its organic-inorganic hybrid structure balances solubility and reactivity, making it versatile in formulations needing pH control or boron-based chemistry.

Triethanolamine borate is a chemical compound formed by the reaction of triethanolamine (a tertiary amine) with boric acid. It is a coordination complex or ester where boron interacts with the hydroxyl groups of triethanolamine, creating a stable compound with unique properties. Below is a detailed overview:

Structure and Synthesis

Chemical Structure:

Triethanolamine (TEA):N(CH2CH2OH)3 N(CH2CH2OH)3N(CH2CH2OH)3, a viscous liquid with three ethanol groups attached to a central nitrogen atom.

Borate: Derived from boric acid (H3BO3), boron forms a tetrahedral complex with the hydroxyl groups of TEA.

The resulting compound is a borate ester or coordination complex, often represented as or [B(OCH2CH2)3N].

Synthesis:
Produced by mixing triethanolamine and boric acid under mild heating. The reaction involves esterification or Lewis acid-base interactions, where boron (a Lewis acid) binds to the oxygen atoms of TEA’s hydroxyl groups.

Key Properties

  1. Physical State: Typically a clear, viscous liquid or hygroscopic solid.

  2. Solubility: Water-soluble due to polar hydroxyl groups; miscible with many organic solvents.

  3. Stability: Stable under moderate pH and temperature, but may hydrolyze in strongly acidic or alkaline conditions.

  4. pH Buffering: Acts as a buffer in solutions, maintaining pH stability.

Applications

  1. Personal Care Products:

    • Used in cosmetics (e.g., creams, lotions) as a pH adjuster, emulsifier, or viscosity modifier.

    • Found in eye drops and contact lens solutions for its mild buffering capacity.

  2. Industrial Uses:

    • Corrosion Inhibition: Protects metal surfaces in cooling systems or lubricants.

    • Polymer Chemistry: Serves as a crosslinker in borate-based gels (e.g., fracturing fluids in oil drilling).

    • Adhesives: Enhances bonding strength in water-based adhesives.

  3. Laboratory Reagent:

    • Used as a boron source or buffer in biochemical assays.

  4. Antifreeze Additive:

    • Occasionally added to antifreeze mixtures for its stabilizing properties.

Safety and Handling

Toxicity: Generally low toxicity, but prolonged exposure may cause skin/eye irritation.

Environmental Impact: Boron compounds can be toxic to aquatic life at high concentrations.

Precautions: Use gloves and goggles; avoid inhalation. Dispose of according to local regulations.

Differentiation from Similar Compounds

Unlike simple borate salts (e.g., sodium borate), triethanolamine borate has organic components that enhance solubility and reduce corrosiveness.

Compared to other amine borates, TEA borate offers better compatibility with aqueous and organic systems.

Example Uses

Oil Industry: Crosslinks guar gum in hydraulic fracturing fluids to create viscous gels.

Cosmetics: Stabilizes emulsions in moisturizers.

Pharmaceuticals: Buffers ophthalmic solutions.

This compound bridges organic and inorganic chemistry, offering versatility in industrial, cosmetic, and biomedical applications due to its dual functionality as a buffer and crosslinking agent.

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