PROCION RED MX-5B

Chemical Properties

Jujube red powder. Solubility in water (20℃) is 80g/L, (50℃) is 110g/L. The aqueous solution is bluish red, add 1mol/L sodium hydroxide to turn orange-red, then add the insurance powder and warm to light dark yellow, then add sodium perborate can't restore the original color. In concentrated sulfuric acid, dark red, no change after dilution; in concentrated nitric acid, red, no change after dilution.

Uses

Procion Red has been used in the visualization of osteocyte canalicular system. It has been used as an adsorbate in the biosorption by Bacillus subtilis.

Preparation

aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation .

Definition

ChEBI: A 2,4-dichloro-1,3,5-triazine with a multi-substituted napthalen-1-ylamino substituent at the 6-position.

General Description

Procion Red is a monoazo dye, that is highly soluble in water. It is used for dyeing cellulose, nylon, silk and wool.

Properties and Applications

colourful red blue light. Purplish red powder. In the strong sulfuric acid to red, no change after diluted; In nitric acid was great red, no change after diluted. The dye solution for blu-ray red, with 1 Moore sodium hydroxide solution into orange red; Continue to join insurance powder and warm, into a shallow dark yellow; Add a boric acid sodium can’t restore the original colour and lustre. In 20 ℃ dye the solubility of 60 g/L; 50 ℃ when solubility of 160 g/L. After dyeing color shade of red light for basket, dye bath containing iron ion colored light basic unchanged, encounter copper ions that colored light turned dark. Mainly used for cotton, viscose, wool, silk, polyamide fiber disseminated and roll dye, also can be used to knot dyeing. Storage stability is poorer.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	4	2 (Light blue)	4-5	5	3-4	4(5*100℃)	4