CI 13015

Synonym(s):4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt;Acid Orange 6;Chrysoin;Resorcinol yellow

CAS NO.：547-57-9
Empirical Formula: C12H11N2NaO5S
Molecular Weight: 318.28
MDL number: MFCD00007499
EINECS: 208-924-8
SAFETY DATA SHEET (SDS)
Update Date: 2023-05-25 18:01:20

What is CI 13015?

Chemical properties

Rust to dark brown powder

The Uses of CI 13015

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

The Uses of CI 13015

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

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
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4-5	3		2	1-2		3
AATCC	3-4	4		1	1		3

Properties of CI 13015

Melting point:	>300°C
storage temp.	Room Temperature
solubility	Solubility Soluble in water, ethanol
form	Powder
Colour Index	14270
pka	11.5, 11.9(at 25℃)
color	Rust to dark brown
Odor	Odorless
PH	11-13
PH Range	Yellow (11.0) to red (12.7)
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
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)

Safety information for CI 13015

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention.