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Substance Name: C.I. Pigment Red 172
RN: 12227-78-0
InChIKey: PMKLVGOZGNPKLG-UHFFFAOYSA-H

Molecular Formula

  • C20-H8-I4-O5.2/3Al

Molecular Weight

  • 2555.5512
 
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Names and Synonyms

Results Name

  • C.I. Pigment Red 172

Name of Substance

  • 2',4',5',7'-Tetraiodofluorescein, aluminum salt
  • 3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'- -(9H)xanthen)-3-one, aluminum salt
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, aluminum salt

Synonyms

  • 11150 Dispersed Pink
  • Acid Red 51:1
  • Aluminum 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, (2:3)
  • Ariabel Rose 300504
  • C.I. 45430:1
  • C.I. Acid Red 51:1
  • C.I. Food Red 14:1
  • C.I. Pigment Red 172
  • Certolake erythrosine
  • EINECS 235-440-4
  • Erythrosine-aluminum lake
  • Food Red 14:1
  • Food Red No. 3-aluminum lake
  • Japan Food Red No. 3 aluminum lake
  • Japan Red 3 aluminum Lake
  • Pigment Red 172
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, aluminum salt (3:2)

Systematic Names

  • 2-(3,6-Dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, aluminum salt (3:2)

Superlist Name

  • FD&C Red No. 3-aluminum lake

Registry Numbers

CAS Registry Number

  • 12227-78-0

Other Registry Numbers

  • 157367-40-3
  • 39290-73-8
  • 53026-61-2
  • 78729-86-9

System Generated Number

  • 0012227780

Molecular Formulas

Molecular Formula

  • C20-H8-I4-O5.2/3Al

Molecular Formula Fragments

  • Al
  • C20-H8-I4-O5
  • COMPONENT

Structure Descriptors

InChI

1S/3C20H8I4O5.2Al/c3*21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h3*1-6,25-26H;;/q;;;2*+3/p-6

InChIKey

PMKLVGOZGNPKLG-UHFFFAOYSA-H

Smiles

c1ccc2c(c1)C(=O)OC23c4cc(c(c(c4Oc5c3cc(c(c5I)[O-])I)I)[O-])I.c1ccc2c(c1)C(=O)OC23c4cc(c(c(c4Oc5c3cc(c(c5I)[O-])I)I)[O-])I.c1ccc2c(c1)C(=O)OC23c4cc(c(c(c4Oc5c3cc(c(c5I)[O-])I)I)[O-])I.[Al+3].[Al+3]