Empirical Formula of Pyroset TKP (CAS NO.55818-96-7): C₁₈H₅₁O₂₂P₅
Molecular Weight: 774.4531 g/mol
Structure of Pyroset TKP (CAS NO.55818-96-7):
              
IUPAC Name: Tetrakis(hydroxymethyl)phosphanium acetate phosphate
Canonical SMILES: CC(=O)[O-].C(O)[P+](CO)(CO)CO.C(O)[P+](CO)(CO)CO.C(O)[P+](CO)(CO)CO.C(O)[P+](CO)(CO)CO.[O-]P(=O)([O-])[O-]
InChI: InChI=1S/4C4H12O4P.C2H4O2.H3O4P/c4*5-1-9(2-6,3-7)4-8;1-2(3)4;1-5(2,3)4/h4*5-8H,1-4H2;1H3,(H,3,4);(H3,1,2,3,4)/q4*+1;;/p-4
InChIKey: WPWUKAWNHCZFGG-UHFFFAOYSA-J

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 48 ,1990,p. 95.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 48 ,1990,p. 95.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) .

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition Pyroset TKP (CAS NO.55818-96-7) emits toxic fumes of PO_x.

 Pyroset TKP , its cas register number is 55818-96-7. It also can be called Pyroset Flame Retardant TKP ; Phosphonium, tetrakis(hydroxymethyl)-, acetate (salt), mixt. with tetrakis(hydroxymethyl)phosphonium phosphate (3:1) (salt) ; and Tetrakis(hydroxymethyl)phosphonium acetate/phosphate .