Mordant red 19
Names
IUPAC name
5-Chloro-2-hydroxy-3-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylazo)-benzenesulfonic acid
Other names
C.I. 18735; Superchrome Red G; Magracrom Red 5G; Chrome Red 3G; Durochrome Red 5G; Eriochrome Red 4G; Metachrome Red 5G; Monochrome Red 5G; Solochrome Fast Red; Eriochromal Red 4G
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.042.925
UNII
  • InChI=1S/C16H13ClN4O5S/c1-9-14(16(23)21(20-9)11-5-3-2-4-6-11)19-18-12-7-10(17)8-13(15(12)22)27(24,25)26/h2-8,14,22H,1H3,(H,24,25,26) ☒N
    Key: LSFNRVBPDLEXDS-UHFFFAOYSA-N ☒N
  • InChI=1/C16H13ClN4O5S/c1-9-14(16(23)21(20-9)11-5-3-2-4-6-11)19-18-12-7-10(17)8-13(15(12)22)27(24,25)26/h2-8,14,22H,1H3,(H,24,25,26)
    Key: LSFNRVBPDLEXDS-UHFFFAOYAQ
  • O=C1N(C2=CC=CC=C2)N=C(C)C1/N=N/C3=CC(Cl)=CC(S(O)(=O)=O)=C3O
Properties
C16H13ClN4O5S
Molar mass 408.81 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Mordant red 19 is an organic compound with the chemical formula C16H13ClN4O5S. It is classified as an azo dye.[1]

It is a mordant used in textile dyeing, usually in combination with chromium.[2] It is usually found as the sodium salt.

Mordant red 19
 
About these coordinates     Color coordinates
Hex triplet#AE0C00
sRGBB (r, g, b)(174, 12, 0)
HSV (h, s, v)(4°, 100%, 68%)
CIELChuv (L, C, h)(36, 119, 13°)
SourceColorHexa[3]
ISCC–NBS descriptorDeep red
B: Normalized to [0–255] (byte)

See also

References

  1. ↑ Klaus Hunger, Peter Mischke, Wolfgang Rieper, Roderich Raue, Klaus Kunde, Aloys Engel: "Azo Dyes" in Ullmann’s Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim.doi:10.1002/14356007.a03_245.
  2. ↑ DE 1008253, Baumann, Hans & Federkiel, Wilhelm, "Verfahren zum Färben von natürlichen Fasern und Fasern aus Polyamiden oder Polyurethanen [Process for the dyeing of natural fibres and fibres of polyamides or polyurethanes]", published 1957-05-16, assigned to BASF AG
  3. ↑ "Mordant red 19 / #ae0c00 hex color". ColorHexa. Retrieved 2023-08-01.
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