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Rose Bengal

Catalog No. A17053 Name Alfa Aesar
CAS Number 632-69-9 Website
M. F. C20H2Cl4I4Na2O5 Telephone
M. W. 1017.6363 Fax
Purity Email
Storage Chembase ID: 295434

SYNONYMS

Title
孟加拉玫瑰红
IUPAC name
disodium 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)
IUPAC Traditional name
disodium 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)
Synonyms
Acid Red 94
C.I. 45440

DATABASE IDS

CAS Number 632-69-9
EC Number 211-183-3
MDL Number MFCD00151169
Beilstein Number 3645857
Merck Index 148262

PROPERTIES

Melting Point >300°C
GHS Pictograms GHS07
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
GHS Precautionary statements P261-P305+P351+P338-P302+P352-P321-P405-P501A
Risk Statements 36/37/38
RTECS LM5920000
Safety Statements 26-37
Storage Warning Light Sensitive
TSCA Listed

DETAILS

REFERENCES

  • Photosensitizer, widely used for the generation of singlet oxygen. For use of this species in the ene reaction with alkenes to give allylic hydroperoxides, readily reducible to allylic alcohols, see. e.g.: J. Org. Chem., 28, 3217 (1963).
  • See also: Singlet dioxygen: Active Oxygen in Chemistry, C. S. Foote, Ed., Blackie A. & P., Glasgow (1995), p. 105; Reactions of singlet oxygen with alkenes: Org. React., 20, 133 (1973); Chem. Rev., 71, 395 (1971); 79, 359 (1979); Tetrahedron, 37, 1825 (1981); Singlet Oxygen, H. H. Wasserman and R. W. Murray, Eds., Academic Press, N.Y. (1979).
  • Can be solubilized in dichloromethane, etc. by 18-crown-6, or Aliquat. 336, extending its applicability to aprotic systems: Synthesis, 783 (1975).