25641-18-3 Usage
Uses
Azocarmine G (CAS# 25641-18-3) is an organic dye used as a redox indicator in titrations with chloramine-?T.
Definition
ChEBI: An organic sodium salt having 7-phenyl-5-(4-sulfonatoanilino)benzo[a]phenazin-7-ium-3-sulfonate as the couterion.
Preparation
4-(Phenyldiazenyl)naphthalen-1-amine with aniline and aniline hydrochloride heating, the resulting Phenyl Rosinduline fuming sulfuric acid with two stlfonation, again as sodium salt out of segregation.
Properties and Applications
blue-ray red. Soluble in water for blue-ray red. The strong sulfuric acid for green, red precipitate after diluted. Add in aqueous solution hydrochloric acid have red precipitate; Add water to dissolve.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
3
2-3
2
1-2
2
Standard
Light Fastness
Fading
Stain
ISO
3
Check Digit Verification of cas no
The CAS Registry Mumber 25641-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,4 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25641-18:
(7*2)+(6*5)+(5*6)+(4*4)+(3*1)+(2*1)+(1*8)=103
103 % 10 = 3
So 25641-18-3 is a valid CAS Registry Number.
InChI:InChI=1/C28H19N3O6S2/c32-38(33,34)20-12-10-18(11-13-20)29-25-17-27-28(22-15-14-21(16-23(22)25)39(35,36)37)30-24-8-4-5-9-26(24)31(27)19-6-2-1-3-7-19/h1-17H,(H2,32,33,34,35,36,37)/p-1
