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Substance Name: D & C Red no. 31
RN: 6371-76-2
UNII: O63T5PV73P
InChIKey: CYHOWEBNQPOWEI-VFUQPONKSA-L

Molecular Formulas

  • C17-H12-N2-O3.1/2Ca
  • C34-H22-N4-O6.Ca

Molecular Weight

  • 622.648
 
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Names and Synonyms

Name of Substance

  • 2-Naphthalenecarboxylic acid, 3-hydroxy-5-(phenylazo)-, calcium salt (2:1)
  • 3-Hydroxy-4-(phenylazo)-2-naphthalenecarboxylic acid, calcium salt (2:1)
  • CI 15800
  • CI 15800:1 (Ca salt)
  • D & C Red no. 31
  • D&C Red No. 31
  • Pigment Red 64:1

Synonyms

  • 11067 Red
  • Brilliant Lake M
  • Brilliant lakered R
  • Brilliant Red Toner RA
  • Brilliant Scarlet G
  • C.I. 15800 Ca Salt
  • C.I. Pigment Red 64:1
  • CCRIS 4906
  • D and C Red No. 31
  • Dainichi Brilliant Scarlet G
  • Dainichi Brilliant Scarlet RG
  • EINECS 228-899-7
  • Japan Red 219
  • Pigment Red 64:1
  • Pigment Scarlet Toner RB
  • R 219
  • Red 219
  • Red No. 219
  • Symuler Brilliant Scarlet G
  • Topaz Toner R 5
  • UNII-O63T5PV73P

Systematic Names

  • 2-Naphthalenecarboxylic acid, 3-hydroxy-4-(2-phenyldiazenyl)-, calcium salt (2:1)
  • 2-Naphthalenecarboxylic acid, 3-hydroxy-4-(phenylazo)-, calcium salt (2:1)
  • C.I. Pigment Red 64, calcium salt
  • C.I. Pigment Red 64, calcium salt (2:1) (8CI)
  • Calcium bis(3-hydroxy-4-(phenylazo)-2-naphthoate)

Registry Numbers

CAS Registry Number

  • 6371-76-2

FDA UNII

  • O63T5PV73P

Related Registry Number

  • 27757-79-5 (Parent)

System Generated Number

  • 0006371762

Molecular Formulas

Molecular Formulas

  • C17-H12-N2-O3.1/2Ca
  • C34-H22-N4-O6.Ca

Molecular Formula Fragments

  • C17-H12-N2-O3
  • C34-H22-N4-O6
  • Ca
  • COMPONENT

Structure Descriptors

InChI

1S/2C17H12N2O3.Ca/c2*20-16-14(17(21)22)10-11-6-4-5-9-13(11)15(16)19-18-12-7-2-1-3-8-12;/h2*1-10,20H,(H,21,22);/q;;+2/p-2/b2*19-18+;

InChIKey

CYHOWEBNQPOWEI-VFUQPONKSA-L

Smiles

c12c(cc(c(c2\N=N\c2ccccc2)O)C(=O)[O-])cccc1.c12c(\N=N\c3ccccc3)c(O)c(C(=O)[O-])cc1cccc2.[Ca+2]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 920mg/kg (920mg/kg) BLOOD: CHANGES IN SPLEEN

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)		 Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989.