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Substance Name: D & C Red no. 21
RN: 15086-94-9
UNII: 2730CL9N7C
InChIKey: DBZJJPROPLPMSN-UHFFFAOYSA-N

Molecular Formula

  • C20-H8-Br4-O5

Molecular Weight

  • 647.8942
 

Classification Codes

Classification Codes

  • Mutation Data
  • Tumor Data

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 3
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Names and Synonyms

Name of Substance

  • 2',4',5',7'-Tetrabromo-3',6'-dihydroxyspiro(isobenzofuran-1(3H),9- '-(9H)xanthen)-3-one
  • 2',4',5',7'-Tetrabromofluorescein
  • CI 45380:2
  • D & C Red No. 21
  • D&C Red No. 21
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-

Synonyms

  • 2',4',5',7'-Tetrabromofluorescein
  • 3,6-Dihydroxy-2,4,5,7-tetrabromospiro(xanthene-9,3'-phthalide)
  • 4-19-00-02917 (Beilstein Handbook Reference)
  • BRN 0063410
  • Bromeosin
  • Bromoeosin
  • C.I. 45380:2
  • C.I. Solvent Red 43
  • CCRIS 4904
  • D and C Red No. 21
  • D&C Red No. 21
  • EC 239-138-3
  • EINECS 239-138-3
  • Eosin acid
  • Eosin Y spirit soluble
  • Eosine acid
  • Fluorescein, 2',4',5',7'-tetrabromo- (VAN)
  • Japan Red 223
  • Japan Red No. 223
  • NSC 244436
  • Red No. 223
  • Solvent Red 43
  • Spiro(isobenzofuran-1(3H),9'-(9H)-xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-
  • UNII-2730CL9N7C

Systematic Names

  • 2-(3,6-Dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid
  • C.I. Solvent Red 43
  • Fluorescein, 2',4',5',7'-tetrabromo-
  • Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-

Superlist Name

  • Eosin

Registry Numbers

CAS Registry Number

  • 15086-94-9

FDA UNII

  • 2730CL9N7C

Other Registry Numbers

  • 1043892-09-6
  • 113601-31-3
  • 19052-67-6
  • 30495-79-5
  • 342043-92-9
  • 477-63-4
  • 722454-16-2
  • 732983-53-8
  • 859629-60-0

Related Registry Number

  • 17372-87-1 (Parent)

System Generated Number

  • 0015086949

Structure Descriptors

InChI

1S/C20H8Br4O5/c21-11-5-9-17(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/h1-6,25-26H

InChIKey

DBZJJPROPLPMSN-UHFFFAOYSA-N

Smiles

C12(c3c(Oc4c1cc(Br)c(c4Br)O)c(c(O)c(c3)Br)Br)c1c(cccc1)C(O2)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
frog LDLo subcutaneous 1gm/kg (1000mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935.
mouse LDLo subcutaneous 450mg/kg (450mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935.