Acid Orange 11

CAS Registry Number®

4372-02-5

CAS Name

Acid Orange 11

Molecular Formula

C20H10Br2O5.2Na

Cite this Page

Acid Orange 11.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=4372-02-5 (retrieved 2024-12-23) (CAS RN: 4372-02-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    280-290 °C (decomp)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C20H10Br2O5.2Na/c21-15-13(23)7-5-11-17(15)26-18-12(6-8-14(24)16(18)22)20(11)10-4-2-1-3-9(10)19(25)27-20;;/h1-8,23-24H;;

InChIKey

InChIKey=OTROZCJJHCEKBY-UHFFFAOYSA-N

SMILES

O=C1OC2(C=3C(OC=4C2=CC=C(O)C4Br)=C(Br)C(O)=CC3)C=5C1=CC=CC5.[Na]

Canonical SMILES

[Na].O=C1OC2(C3=CC=C(O)C(Br)=C3OC4=C(Br)C(O)=CC=C42)C=5C=CC=CC15

Other Names for this Substance

  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dibromo-3′,6′-dihydroxy-, sodium salt (1:2)
  • Fluorescein, 4′,5′-dibromo-, disodium salt
  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dibromo-3′,6′-dihydroxy-, disodium salt
  • Fluorescein, 4′,5′-dibromo-, sodium deriv., sodium salt
  • C.I. 45370

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Deleted or Replaced CAS Registry Numbers

148980-10-3

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