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Substance Name: Ultramarine (pigment)
RN: 57455-37-5
UNII: I39WR998BI
InChIKey: IRERQBUNZFJFGC-UHFFFAOYSA-L

Notes

  • Blue pigment occurring naturally as mineral lapis lazuli; believed to have formula Na7-A16-Si6-024-S2.
  • TSCA Definition 2019: This substance is identified in the COLOUR INDEX by Colour Index Constitution Number, C.I. 77007.

Molecular Formula

  • Unspecified

Molecular Weight

  • 994.502
 
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Names and Synonyms

Name of Substance

  • Ultramarine (pigment)

Synonyms

  • Azure blue
  • C. I. 77007
  • C.I. Pigment Blue 29
  • Pigment Blue 29
  • Ultramarine (pigment)
  • Ultramarine blue
  • Ultramarine blue pigment
  • UNII-I39WR998BI

Systematic Name

  • C.I. Pigment Blue 29

Superlist Names

  • C.I. Pigment Blue 29
  • Ultramarine blue

Registry Numbers

CAS Registry Number

  • 57455-37-5

FDA UNII

  • I39WR998BI

Other Registry Numbers

  • 2088019-08-1
  • 67053-79-6

System Generated Number

  • 0057455375

Structure Descriptors

InChI

InChI=1S/6Al.8Na.6O4Si.H2S3/c;;;;;;;;;;;;;;6*1-5(2,3)4;1-3-2/h;;;;;;;;;;;;;;;;;;;;1-2H/q6*+3;8*+1;6*-4;/p-2

InChIKey

IRERQBUNZFJFGC-UHFFFAOYSA-L

Smiles

[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[S-]S[S-]