584-42-9 Usage
Chemical Properties
orange to brown powder
Uses
Biological stain and acid-base indicator. pH: 10.2 colorless, 12.0 yellow.
Preparation
M-nitroaniline diazotization, and 2-Hydroxybenzoic acid coupling.
Application
Chromatographic analysis reagents, medium preparation, sperm staining, acid-base indicator, pH discoloration range 10.0 (yellow) ~ 12.0 (brown).
Properties and Applications
dark yellow. Yellow powder. Soluble in water for yellow, slightly soluble in Etanol, Acetone and Cellosolve, insoluble in other organic solvent. In concentrated sulfuric acid to orange, dilution after light green light yellow, In concentrated nitric acid for red yellow solution. Its aqueous solution to join concentrated hydrochloric acid for shallow green light yellow, accompanied by precipitation; Join concentrated Sodium hydroxide solution for brown light orange. Used for dyeing cotton, wool, silk and nylon fabric dyeing.
Standard
Ironing Fastness
Light Fastness
Fulling
Persperation Fastness
Soaping
Water
Alkali
Acid
ISO
3-4
4-5
4
2-3
4
4
4-5
AATCC
3
5-6
4-5
4-5
4
4-5
Standard
Ironing Fastness
Alkali
Acid
ISO
3-4
AATCC
3
Check Digit Verification of cas no
The CAS Registry Mumber 584-42-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 584-42:
(5*5)+(4*8)+(3*4)+(2*4)+(1*2)=79
79 % 10 = 9
So 584-42-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H9N3O5.Na/c17-12-5-4-9(7-11(12)13(18)19)15-14-8-2-1-3-10(6-8)16(20)21;/h1-7,14H,(H,18,19);/q;+1/p-1/b15-9-;
