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HomeProduct name listBRILLIANT YELLOW

BRILLIANT YELLOW

Synonym(s):Direct Yellow 4

  • CAS NO.:3051-11-4
  • Empirical Formula: C26H21N4NaO8S2
  • Molecular Weight: 604.58
  • MDL number: MFCD00007489
  • EINECS: 221-267-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-20 11:41:24
BRILLIANT YELLOW Structural

What is BRILLIANT YELLOW?

Chemical properties

orange to reddish-brown crystals or powder

The Uses of BRILLIANT YELLOW

Brilliant yellow is an organic diazo dye and a ground water pollutant. Removal processes for brilliant yellow include nanofibrous membrane filtration and nanoplatelet adsorption. Dyes and metabolites.

What are the applications of Application

Brilliant yellow is a conjugated azo dye useful as a pH indicator

Preparation

1,2-Bis(4-amino-2-sulfophenyl)ethene? double nitriding, and phenol (2 Moore) coupled.

Properties and Applications

brilliant yellow. Soluble in water for golden brown, and adequate soluble in ethanol for golden brown, slightly soluble in acetone and soluble fiber element. The strong sulfuric acid to red light purple, diluted for purple, have black light purple precipitation; In nitric acid solution for dark brown (not all solution). The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for palm light orange; Add 10% sodium hydroxide solution for big red. Used for cellulose fiber and polyamide fiber dyeing, also can be used for leather and paper color. Fountain of good dye, discharge sex is very good.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 1 5 1 3

Properties of BRILLIANT YELLOW

Melting point: >250°C
storage temp.  Amber Vial, Refrigerator
solubility  Solubility Soluble in water; slightly soluble in ethanol, acetone
Colour Index  24890
form  powder
color  Orange
Odor Odorless
PH Range Yellow (6.4) to red-orange (8.0)
Water Solubility  Partially soluble in water
λmax 497nm
BRN  4122338
Stability: Light Sensitve
Major Application Display device, sensors, photochromic materials, inks, detergent, cosmetics, biosensors, assay for enzyme activity, antifungal agent, antiAIDS agent
CAS DataBase Reference 3051-11-4(CAS DataBase Reference)
EPA Substance Registry System C.I. Direct Yellow 4, disodium salt (3051-11-4)

Safety information for BRILLIANT YELLOW

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H227:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
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.
P370+P378:In case of fire: Use … for extinction.
P403+P235:Store in a well-ventilated place. Keep cool.

Computed Descriptors for BRILLIANT YELLOW

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