Title: Merphyrin
CAS Registry Number: 15375-94-7
CAS Name: [7,12-Bis(1-hydroxyethyl)-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoato(4-)-N21,N22,N23,N24]mercurate(2-) disodium
Additional Names: mercuri-hematoporphyrin disodium salt; M. H; hematoporphyrinmercury disodium salt
Molecular Formula: C34H34HgN4Na2O6
Molecular Weight: 841.23
Percent Composition: C 48.54%, H 4.07%, Hg 23.84%, N 6.66%, Na 5.47%, O 11.41%
Literature References: Prepd by action of mercuric acetate upon hematoporphyrin and treating the product with sodium methoxide: JP 59 1273 (1959); GB 824705 (1959 to Daiichi), C.A. 54, 9972 (1960); Obika et al., US 3004985 (1961 to Daiichi).
Properties: Dark brown powder. Sol in water (a 1:1000 soln is slightly alkaline). Aq solns are affected by light. Slightly sol in methanol. Practically insol in acetone, benzene, chloroform.
Status: This monograph has been retired and is no longer subject to revision or update.

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