Brilliant green (dye)

Brilliant green

Names
Other names

Malachite green G, Emerald green, Solid green JJO, Diamond green G, Aniline green, Benzaldehyde green, Fast green J

Identifiers

CAS Number

* 633-03-4 Y

3D model (JSmol)

* Interactive image

ChEBI |

* CHEBI:88173 N

ChEMBL |

* ChEMBL1181633 N

ChemSpider |

* 11941 Y

PubChem CID

* 12449

UNII |

* G0L543D370 Y

InChI

* InChI=1S/C27H33N2.H2O4S/c1-5-28(6-2)25-18-14-23(15-19-25)27(22-12-10-9-11-13-22)24-16-20-26(21-17-24)29(7-3)8-4;1-5(2,3)4/h9-21H,5-8H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1 Y

Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Y

* InChI=1/C27H33N2.H2O4S/c1-5-28(6-2)25-18-14-23(15-19-25)27(22-12-10-9-11-13-22)24-16-20-26(21-17-24)29(7-3)8-4;1-5(2,3)4/h9-21H,5-8H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1

Key: NNBFNNNWANBMTI-REWHXWOFAJ

SMILES

* [O-]S(=O)(=O)O.[N+](=C/1\C=C/C(C=C\1)=C(/c2ccccc2)c3ccc(N(CC)CC)cc3)(\CC)CC

Properties

Chemical formula

| C27H33N2.HO4S
Molar mass | 482.64 g/mol
Melting point |  210 °C (410 °F; 483 K) (decomposes)

Solubility in water

| 100 g/L a 20 °C

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Brilliant green (also known as zelyonka or zelenka) is one of the triarylmethane dyes. It is closely related to malachite green.[1]

## Contents

* 1 Uses
* 2 Safety and toxicity
* 3 Politics
* 4 References

## Uses

Zelyonka

Brilliant green has been used to color silk and wool.

It is indicated for disinfection of fresh postoperative and post-traumatic scars, umbilical cord of newborns, abrasions, cuts, and other violations of the integrity of the skin, in the treatment of purulent-inflammatory processes of the skin - hordeolum ("barley"), meibomite, blepharitis, pyoderma, local furunculosis, carbunculosis, staphylococcal infection.[citation needed] It is applied externally, the drug is applied to the damaged surface, capturing the surrounding healthy tissue.[citation needed]

In Russia and Ukraine (and much of the rest of the former Soviet Union), the dilute alcoholic solution of brilliant green is sold as a topical antiseptic, also known under a Latin name solutio viridis nitentis spirituosa and the colloquial Russian name of zelyonka (зелёнка, lit. green thing in Russian),[2][failed verification] which is zelenka (зеленка) in Ukrainian.

A 1% solution in 60% alcohol can be used for treatment of skin. 0.5% solution is used for mucous membranes or for infants.[3]

Brilliant green is a visible light-activated photocatalyst in organic synthesis.[4]

## Safety and toxicity

Brilliant green is effective against Gram-positive bacteria.[5] The main advantage of brilliant green over the more common antiseptics such as iodine is that it does not irritate mucous membranes as harshly on accidental contact. Soviet medical doctrine deemed it "not for use on mucosa" and cautions that it can cause eye damage and ophthalmic chemical burns and burns to an eye, at least in the typical formulations produced for medical use.[citation needed]

Brilliant green induces vomiting when swallowed and is toxic when ingested.[3] The compound may lead to serious injuries if it comes in contact with an eye, even resulting in bilateral blindness due to corneal opacification.[6]

## Politics

Main article: Chemistry:Zelyonka attack

In Russia and sometimes in Ukraine , zelyonka has been used to physically attack political opponents.[7] Since 2016, many opponents of the Russian government have been splashed with zelyonka, including Alexei Navalny, Igor Kalyapin, liberal activists, Nadya Tolokonnikova, Maria Alekhina, Lyudmila Ulitskaya, Ilya Varlamov and Mikhail Kasyanov.[8]

## References

1. ↑ Gessner, T.; Mayer, U. (2002), "Triarylmethane and Diarylmethane Dyes", Ullmann's Encyclopedia of Industrial Chemistry 6th Edition, Weinheim: Wiley-VCH, doi:10.1002/14356007.a27_179, ISBN 3527306730
2. ↑ Balabanova, Maria; Popova, Liudmila; Tchipeva, Rositsa (2004). "Dyes in dermatology". Disease-a-Month 50 (6): 270. doi:10.1016/j.disamonth.2004.05.002.
3. ↑ 3.0 3.1 Narat, J. K. (1931). "Brilliant Green: A Clinical Study of Its Value As a Local Antiseptic". Annals of Surgery 94 (6): 1007–1012. doi:10.1097/00000658-193112000-00003. PMID 17866691.
4. ↑ Rogers, David A.; Bensalah, Adam T.; Espinosa, Alvaro Tomas; Hoerr, John L.; Refai, Fares H.; Pitzel, Amy K.; Alvarado, Juan J.; Lamar, Angus A. (2019-06-07). "Amplification of Trichloroisocyanuric Acid (TCCA) Reactivity for Chlorination of Arenes and Heteroarenes via Catalytic Organic Dye Activation" (in en). Organic Letters 21 (11): 4229–4233. doi:10.1021/acs.orglett.9b01414. PMID 31140821.
5. ↑ "Martindale: The extra pharmacopeia, 28th Ed. Edited By James E. F. Reynolds and Anne B. Prasad. The Pharmaceopeial Press, 1 Lamberth High Street, London, SE1 7JN. Distributed in the U.S. by Rittenhouse Book Distributors, Inc., King of Prussia, PA 19406. 1982.". Journal of Pharmaceutical Sciences 73 (6): 862. June 1984. doi:10.1002/jps.2600730653. ISSN 0022-3549. http://dx.doi.org/10.1002/jps.2600730653.
6. ↑ CID 12449 from PubChem
7. ↑ "How the Soviet-Era Antiseptic "Zelyonka" Became a Political Weapon in Russia and Ukraine". 6 May 2017. https://intpolicydigest.org/2017/05/06/how-the-soviet-era-antiseptic-zelyonka-became-a-political-weapon-in-russia-and-ukraine.
8. ↑ "Why are Russian opposition leaders' faces turning green?". The Economist. May 10, 2017. https://www.economist.com/blogs/economist-explains/2017/05/economist-explains-7.

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*[CID]: Compound ID
*[lit.]: literal translation