Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Clariant Tonsil APT-BT Catalyst

Clariant Tonsil APT-BT is a high-activity, acid-activated bentonite catalyst from Clariant’s Tonsil portfolio, engineered for selective alkylation, isomerization, and esterification in fine chemical synthesis. It offers superior surface area, controlled acidity, thermal stability, and low heavy-metal content versus conventional clays—ensuring consistent performance, easy handling, and compliance with stringent industrial and regulatory standards.
  • clariant tonsil apt bt catalyst_49053b08
  • clariant tonsil apt bt catalyst_49053b08

Features Of Clariant Tonsil APT-BT Catalyst

  1. Highly selective acid catalyst for controlled Friedel–Crafts and esterification reactions.

  2. Thermally stable up to 250 °C, enabling robust performance in elevated-temperature processes.

  3. Low leaching behavior ensures consistent catalytic activity and reduced downstream purification burden.

  4. Non-corrosive solid alternative to liquid mineral acids, improving process safety and equipment longevity.

  5. Reproducible batch-to-batch performance due to stringent Clariant manufacturing quality control.

Typical Applications Of Clariant Tonsil APT-BT Catalyst

  1. Production of high-purity alkylated aromatics for specialty solvents and intermediates.

  2. Ester synthesis in fragrance and flavor ingredient manufacturing.

  3. Catalytic alkylation of phenols for antioxidant precursors.

  4. Dehydration and cyclization reactions in fine chemical synthesis.

  5. Modification of rosin and terpene derivatives in adhesive and coating resins.

Specifications Of Clariant Tonsil APT-BT Catalyst

Chemical TypeActivated clay-based solid acid catalyst
Product FormFree-flowing granular solid
AppearanceLight grey to beige granules
Primary ApplicationsFriedel–Crafts alkylation, esterification, dehydration
Key FeaturesNon-corrosive, thermally stable, low metal content
BenefitsReduced waste generation, simplified catalyst separation, improved product purity
Storage ConditionsStore in dry, well-ventilated area; protect from moisture
Regulatory ComplianceREACH registered; no SVHCs above threshold


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