Solochrome cyanine R

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Solochrome cyanine R
Names
IUPAC name
Trisodium 5-[(3-carboxylato-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2-sulfonatophenyl)methyl]-2-hydroxy-3-methylbenzoate
Other names
Alizarol Cyanine RC
Atlantichrome Cyanine RA
Eriochrome Cyanine R
Mordant Blue 3
Properties
C23H15Na3O9S
Molar mass 536.393 g/mol
Appearance Dark brown powder
Hazards
Safety data sheet Sigma-Aldrich
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Solochrome cyanine R (also known as eriochrome cyanine R, chrome cyanine R, and many other synonyms) is a polycyclic aromatic sulfonic acid and indicator dye, with four distinct color changes depending on pH.

Properties

Chemical

The color of this compound changes depending on the solution pH.

Physical

Solochrome cyanine R is a dark brown powder.

Availability

This compound is sold by chemical suppliers.

Preparation

At least one preparation exists in literature, described in one German patent.

Projects

  • Dye

Handling

Safety

Little is known about the toxicity of this compound.

Storage

In closed plastic bottles.

Disposal

It's assumed that this compound has low toxicity so no special disposal should be required.

References

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