Brodifacoum Intermediates | C22H19BrO

  • Brodifacoum Stage 7 (the last intermediate)
    Mol. Formula: C22H19BrO
    CAS No.: 56181-82-9
    EC No.: 260-038-0
    Purity of 2 lots: ≥ 99.3%, 99.5%
  • IUPAC Name: 3-(4′-bromobiphenyl-4-yl)-1,2,3,4-tetrahydronaphthalen-1-ol
    China Reg. name: 3-(4′-bromo[1,1′-biphenyl]-4-yl)-1,2,3,4-tetrahydro-1-naphthol
    China’s Regulatory: MEP Directive No. 7/2010
    New Substances Registration No.: 2011009/MEP
    Registration Date at China MEP: 12. JAN, 2011

Unique intermediates registered in China

  • “The Measures for Environmental Administration of New Chemical Substances” (China Ministry of Environmental Protection (MEP) Directive No.7,) was issued in Jan 2010 and went into effect on Oct 15, 2010. This regulation is similar to EU REACH and is also known as ‘‘Chinese REACH’’.
  • The rodenticide intermediates C22H20O and C22H19BrO manufactured by Siyang Rodenticide Factory passed the environmental and safety evaluation as new chemical substances on January 12, 2011 in accordance with the Ministry of Environmental Protection Directive No. 7/2010.
  • As the only manufacturer of 98% Brodifacoum in China,  the factory also stocks a number of intermediates (Brodifacoum last step, C22H19BrO and Difenacoum last step, C22H20O) with purity higher than 99% to meet future market demand.