Phosphorus based bulk intermediates are available in Europe, Asia, North America and Latin America.

Chemical Name CAS Number
Phosphorus Trichloride 7719-12-2
Phosphorus Oxychloride 10025-87-3
Sodium Hypophosphite HP grade 7681-53-0
Sodium Hypophosphite UP grade 7681-53-0
Sodium Hypophosphite 60% solution 7681-53-0