BX NA 21 Nucleating Agent


Chemical name: Clarifying agent BX NA 21

Synonym: ADK STAB NA-21

Chemical composition: Aluminium hydroxy bis [2,2′-methylen-bis(4,6-di-tert-butylphenyl)phosphate]
Molecular weight: 1015.22
Chemical formula: C58H85AlO9P2
CAS NO. :151841-65-5


  • Improved Physical Properties
  • Increased Clarity
  • Increased Productivity


Appearance white powder
Volatiles(%) ≤ 1
Melting point(℃) ≥ 210


BX NA 21 suggested dosage level is 0.05-0.3 %, Dry blend to make sure even distribution. Consult to our sales on a specific case.

Handling and storage

BX NA 21 shall be stocked In a ventilated and dry environment, the shelf life is two years. 20 kg/ bag. Conditions of transport for non-hazardous products.

TDS / MSDS Download