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CI 13015

Basic information Safety Supplier Related

CI 13015 Basic information

Product Name:
CI 13015
Synonyms:
  • 4-((2,4-dihydroxyphenyl)azo)-benzenesulfonicacimonosodiumsalt
  • 4-[(2,4-dihydroxyphenyl)azo]-benzenesulfonicacimonosodiumsalt
  • TROPAEOLIN O C.I. NO. 14270
  • TROPAEOLIN OO C.I. NO. 13080
  • FAST YELLOW C.I. NO. 13080
  • AcidOrange6(C.I.14270)
  • TROPAEOLIN O FOR C.I. No 14270
  • TROPAEOLIN 0
CAS:
547-57-9
MF:
C12H11N2NaO5S
MW:
318.28
EINECS:
208-924-8
Product Categories:
  • Azo
  • Organics
  • Analytical Chemistry
  • Indicator (pH)
  • pH Indicators
Mol File:
547-57-9.mol
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CI 13015 Chemical Properties

Melting point:
>300°C
storage temp. 
Room Temperature
solubility 
Solubility Soluble in water, ethanol
pka
11.5, 11.9(at 25℃)
form 
Powder
Colour Index 
14270
color 
Rust to dark brown
PH Range
Yellow (11.0) to red (12.7)
PH
11-13
Odor
Odorless
Water Solubility 
Soluble in water and alcohol
λmax
490nm
Merck 
14,9775
BRN 
4173410
Major Application
Photoresists, image forming materials, nonlinear optical (NLO) materials, etching, photography, inks, markers, lithium battery, leather dyes, polishing stainless steel, concrete, automobile radiators, textiles, cleaners, hair dyes, food storage, cosmetics, immunomodulating agents, disinfectant, antihistaminic agent, antimicrobial agent, nucleic acids
LogP
1.673 (est)
CAS DataBase Reference
547-57-9(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-, monosodium salt (547-57-9)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38-41-37/38-22
Safety Statements 
26-36-36/37/39
WGK Germany 
1
RTECS 
DB5035000
TSCA 
Yes
HS Code 
32041200

MSDS

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CI 13015 Usage And Synthesis

Chemical Properties

Rust to dark brown powder

Uses

Sodium (E)-4-(2, 4-Dihydroxyphenyl)diazenyl)benzenesulfonate is a food and an azo dye. Dyes and metabolites, Environmental Testing

Uses

As indicator. pH: yellow 11, orange-brown 12.7. Occasionally used as plasma stain.

Preparation

4-Aminobenzenesulfonic acid diazo, Coupled with resorcinol.

Properties and Applications

yellow orange. Soluble in water for golden brown, soluble in ethanol lemon yellow, soluble in acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for yellow, diluted for lemon yellow; In nitric acid solution for yellow. Its water solution to join strong hydrochloric acid for golden brown; Add thick sodium hydroxide solution for palm orange. Used for wool, silk, cotton, vinegar, polyamide fiber and fiber dyeing. Also used in leather, biological dyeing, also used in indicator (pH 12 ~ 14).

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 3 2 1-2 3
AATCC 3-4 4 1 1 3

CI 13015Supplier

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