ACID YELLOW 7

Product NameACID YELLOW 7
CAS2391-30-2
MFC19H15N2NaO5S
MW406.39
EINECS219-238-3
MOL File2391-30-2.mol

Chemical Properties

form	Powder
color	Orange
EPA Substance Registry System	1H-Benz[de]isoquinoline-5-sulfonic acid, 6-amino-2,3-dihydro-2-(4-methylphenyl)-1,3-dioxo-, monosodium salt (2391-30-2)

Usage And Synthesis

Uses

Brilliant sulfaflavine has been used as fluorescent tracers to study the application rate of foliar fungicides when applied to soybeans for the control of rust.

Definition

ChEBI: An organic sodium salt having 6-amino-2-(4-methylphenyl)-1,3-dioxo-2,3-dihydro-1H-benzo[de]isoquinoline-5-sulfonate as the counterion. It is used as the displacement dye in the yellowsolve I method for fibrin.

Preparation

4-Amino-3-sulfo-1,8-naphthalic anhydride?with p-Methylaniline condensation.

Properties and Applications

colourful green light yellow. For yellow is soluble in water, soluble in ethanol for yellow. The strong sulfuric acid for yellow, diluted still yellow in color. The dye solution to join sodium hydroxide color becomes shallow. Used for silk, cotton and polyamide, vinegar fiber dyeing, can be in wool and silk fabric printing directly. Also used in leather, paper dyeing and used for the production of fluorescent pigments.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	2	1	2	3	2		2-3
AATCC	2	1	1	1-2	2		2-3